TDMS Study 05166-01 Pathology Tables
NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 Facility: Hazleton Laboratories America, Inc. Chemical CAS #: 612-82-8 Lock Date: None Cage Range: All Reasons For Removal: All Removal Date Range: All Treatment Groups: Include All Page 1 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 _____________________________________________________________________________________________________________________ | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| DAY ON TEST | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| CONTROL | 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + +| Parasite Metazoan | 1 | __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + +| Parasite Metazoan | 1 1 | __________________________________________________________________________| Intestine Small | + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + +| Hepatodiaphragmatic Nodule | X X X | Inflammation, Granulomatous, | | Multifocal | 1 | Bile Duct, Hyperplasia | 2 2 2 1 1 | __________________________________________________________________________| Mesentery | | Fat, Necrosis, Focal | | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + +| Inflammation, Chronic | 2 | Acinus, Atrophy | 2 | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + +| Inflammation, Chronic | | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + +| Degeneration, Cystic | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + +| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + +| Vacuolization Cytoplasmic, Focal | | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + +| __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + +| __________________________________________________________________________| Parathyroid Gland | + M + + + + M + + + + + + + +| __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + +| Angiectasis | 1 | Cyst | X | Pars Distalis, Hyperplasia, Focal | | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + +| Ultimobranchial Cyst | | _____________________________________________________________________________________________________________________| Page 2 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 _____________________________________________________________________________________________________________________ | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| DAY ON TEST | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| CONTROL | 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Clitoral Gland | + + + + + + + + + + + + + + +| Duct, Ectasia | 2 2 2 | __________________________________________________________________________| Ovary | + + + + + + + + + + + + + + +| Periovarian Tissue, Cyst | X | __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + +| Hydrometra | 3 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + +| Hyperplasia, Multifocal, Re Cell | 2 | __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + +| Mediastinal, Hemorrhage | 2 3 2 2 2 | __________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + +| Hemorrhage | | Hyperplasia, Lymphoid | | Hyperplasia, Plasma Cell | | Sinus, Ectasia | | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + +| __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + +| Hemorrhage, Multifocal | | __________________________________________________________________________| Thymus | + + + + + + + + + + + + + + +| Epithelial Cell, Hyperplasia | 2 | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + M + M + + M + + + + + + +| Fibrosis, Focal | 2 | Duct, Ectasia | 2 2 | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 4 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + +| Brain Stem, Compression | 2 | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + +| Infiltration Cellular, Histiocyte | 1 1 1 1 1 | Alveolar Epithelium, Hyperplasia, | | _____________________________________________________________________________________________________________________| Page 3 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 _____________________________________________________________________________________________________________________ | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| DAY ON TEST | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| CONTROL | 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM - cont | | | | Focal | | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + +| Hemorrhage | 2 2 2 2| __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Zymbal's Gland | + + + + + + + + M + + + + + +| _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + +| Nephropathy | 1 2 1 1 1 1 1 1 1 1 2| __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 4 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 _____________________________________________________________________________________________________________________ | 4| 4| 4| 4| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| DAY ON TEST | 2| 2| 2| 2| 9| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | 2| 2| 2| 2| 0| 2| 2| 2| 2| 2| 2| 2| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| CONTROL | 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| Parasite Metazoan | 1 1 | __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| Parasite Metazoan | 2 1 | __________________________________________________________________________| Intestine Small | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Hepatodiaphragmatic Nodule | X X | Inflammation, Granulomatous, | | Multifocal | 1 1 1 1 1 1 1 | Bile Duct, Hyperplasia | 1 1 1 2 1 2 1 | __________________________________________________________________________| Mesentery | + + + | Fat, Necrosis, Focal | 4 4 4 | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | | Acinus, Atrophy | 1 2 | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | 2 | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Degeneration, Cystic | 1 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Vacuolization Cytoplasmic, Focal | 3 2| __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Parathyroid Gland | + M + + + + M + + + + + + + M + + + + + + + + + +| __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + M + + + + + +| Angiectasis | | Cyst | X X X X X | Pars Distalis, Hyperplasia, Focal | | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Ultimobranchial Cyst | X X| _____________________________________________________________________________________________________________________| Page 5 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 _____________________________________________________________________________________________________________________ | 4| 4| 4| 4| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| DAY ON TEST | 2| 2| 2| 2| 9| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | 2| 2| 2| 2| 0| 2| 2| 2| 2| 2| 2| 2| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| CONTROL | 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Clitoral Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Duct, Ectasia | 3 2 | __________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| Periovarian Tissue, Cyst | X | __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Hydrometra | 3 3| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Multifocal, Re Cell | | __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| Mediastinal, Hemorrhage | 2 2 2 2 2 2 2 2 2 2 | __________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 2 2 | Hyperplasia, Lymphoid | | Hyperplasia, Plasma Cell | | Sinus, Ectasia | 2 2| __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage, Multifocal | 2 | __________________________________________________________________________| Thymus | + + M + + M + + + + + + + + + + + + + + + M + + +| Epithelial Cell, Hyperplasia | 2 2 | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrosis, Focal | | Duct, Ectasia | | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 2 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Brain Stem, Compression | | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Infiltration Cellular, Histiocyte | 1 1 1 | Alveolar Epithelium, Hyperplasia, | | _____________________________________________________________________________________________________________________| Page 6 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 _____________________________________________________________________________________________________________________ | 4| 4| 4| 4| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| DAY ON TEST | 2| 2| 2| 2| 9| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | 2| 2| 2| 2| 0| 2| 2| 2| 2| 2| 2| 2| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| CONTROL | 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM - cont | | | | Focal | | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 2 | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Zymbal's Gland | + M + + + + + + + + + + + + + M + + + + + + + + +| _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Nephropathy | 2 1 2 1 2 1 1 2 2 1 1 1 2 1 1 1 1 1 | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 7 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 __________________________________________________________________________________________________________________________________ | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| | | DAY ON TEST | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | | | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | A | CONTROL | 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| | L | | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + + + + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Intestine Large | + + + + + + + + + + + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + | 60 | Parasite Metazoan | 2 | 4 1.3| __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + | 60 | Parasite Metazoan | 2 2 | 6 1.5| __________________________________________________________________________|____________| Intestine Small | + + + + + + + + + + + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + | 60 | Hepatodiaphragmatic Nodule | X X | 7 | Inflammation, Granulomatous, | | | Multifocal | 1 1 1 | 11 1.0| Bile Duct, Hyperplasia | 1 1 1 1 2 1 1 1 | 20 1.3| __________________________________________________________________________|____________| Mesentery | | 3 | Fat, Necrosis, Focal | | 3 4.0| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + | 60 | Inflammation, Chronic | | 1 2.0| Acinus, Atrophy | 1 1 | 5 1.4| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Stomach | + + + + + + + + + + + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + | 60 | Inflammation, Chronic | | 1 2.0| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + | 60 | Degeneration, Cystic | | 1 1.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + | 60 | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + | 60 | Vacuolization Cytoplasmic, Focal | | 2 2.5| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + + M + + M + + + + + + + | 53 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + M + + + + + + | 58 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 8 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 __________________________________________________________________________________________________________________________________ | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| | | DAY ON TEST | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | | | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | A | CONTROL | 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| | L | | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | | __________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM - cont | | | | | | Angiectasis | | 1 1.0| Cyst | X X X X X X X X X X X | 17 | Pars Distalis, Hyperplasia, Focal | 2 2 | 2 2.0| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + | 60 | Ultimobranchial Cyst | | 2 | _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Clitoral Gland | + + + + + + + + + + + + + + + + + + + + | 60 | Duct, Ectasia | 2 | 6 2.2| __________________________________________________________________________|____________| Ovary | + + + + + + + + + + + + + + + + + + + + | 60 | Periovarian Tissue, Cyst | X | 3 | __________________________________________________________________________|____________| Uterus | + + + + + + + + + + + + + + + + + + + + | 60 | Hydrometra | 2 2 | 5 2.6| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + | 60 | Hyperplasia, Multifocal, Re Cell | | 1 2.0| __________________________________________________________________________|____________| Lymph Node | + + + + + + + + + + + + + + + + + + + + | 60 | Mediastinal, Hemorrhage | 2 2 2 2 2 2 | 21 2.0| __________________________________________________________________________|____________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + | 60 | Hemorrhage | 1 | 3 1.7| Hyperplasia, Lymphoid | 3 | 1 3.0| Hyperplasia, Plasma Cell | 3 | 1 3.0| Sinus, Ectasia | 2 | 3 2.0| __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + | 60 | Hemorrhage, Multifocal | | 1 2.0| __________________________________________________________________________|____________| Thymus | M + + + + + + + + + + M M + + + + + + + | 54 | Epithelial Cell, Hyperplasia | 2 2 2 2 | 7 2.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + M + + + + + + + + + + + + + + + + + + | 56 | Fibrosis, Focal | | 1 2.0| Duct, Ectasia | | 2 2.0| __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + | 60 | Inflammation, Chronic Active | | 2 3.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 9 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 __________________________________________________________________________________________________________________________________ | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| | | DAY ON TEST | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | | | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | A | CONTROL | 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| | L | | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | | __________________________________________________________________________________________________________________________________ MUSCULOSKELETAL SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + | 60 | Brain Stem, Compression | | 1 2.0| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + | 60 | Infiltration Cellular, Histiocyte | 1 1 1 1 | 12 1.0| Alveolar Epithelium, Hyperplasia, | | | Focal | 1 | 1 1.0| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + | 60 | Hemorrhage | | 5 2.0| __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + | 60 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Zymbal's Gland | + + + + + + + + + + + + + + + + + + + + | 57 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + | 60 | Nephropathy | 1 1 1 2 2 2 1 2 1 1 1 2 1 1 1 1 1 2 | 47 1.3| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + | 60 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 10 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 _____________________________________________________________________________________________________________________ | 4| 4| 4| 4| 4| 4| 4| 4| 3| 3| 4| 4| 4| 4| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| DAY ON TEST | 2| 2| 2| 2| 2| 2| 2| 2| 9| 5| 2| 2| 2| 2| 9| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | 1| 1| 1| 1| 1| 2| 2| 2| 3| 7| 2| 2| 2| 2| 1| 2| 2| 2| 2| 2| 6| 2| 2| 6| 2| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 0.003 | 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| Parasite Metazoan | 2 1 | __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| Parasite Metazoan | 2 2 2 1 1 1 | __________________________________________________________________________| Intestine Small | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | 1 1 2 1 1 | Degeneration, Cystic | 2 2| Eosinophilic Focus | 2 2 2 | Hematopoietic Cell Proliferation | 2 1 1 | Hepatodiaphragmatic Nodule | X | Inflammation, Granulomatous, | | Multifocal | 2 1 1 1 1 1 1 1 1 1 1 1 1| Mixed Cell Focus | 1 1 2 2 2 2 2 2 2 2 2 2 2 2 2 2 1 2 2 2 2| Necrosis, Coagulative, Focal | 1 | Necrosis, Focal | | Bile Duct, Hyperplasia | | Centrilobular, Necrosis | | __________________________________________________________________________| Mesentery | + | Hemorrhage | | Fat, Necrosis, Focal | 4 | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Acinus, Atrophy | 2 | __________________________________________________________________________| Pharynx | | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + M + + + + + + + + + +| Inflammation, Chronic | 4 | __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Degeneration, Cystic | 1 1 | __________________________________________________________________________| Tongue | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Coronary Artery, Inflammation, | | Chronic | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | _____________________________________________________________________________________________________________________| Page 11 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 _____________________________________________________________________________________________________________________ | 4| 4| 4| 4| 4| 4| 4| 4| 3| 3| 4| 4| 4| 4| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| DAY ON TEST | 2| 2| 2| 2| 2| 2| 2| 2| 9| 5| 2| 2| 2| 2| 9| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | 1| 1| 1| 1| 1| 2| 2| 2| 3| 7| 2| 2| 2| 2| 1| 2| 2| 2| 2| 2| 6| 2| 2| 6| 2| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 0.003 | 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM - cont | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | X | Hyperplasia, Focal | 2 2 | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 2 2 2 | Cyst | X X X X X | Hemorrhage | 3 | Pars Distalis, Hyperplasia, Focal | 2 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Ultimobranchial Cyst | | C-Cell, Hyperplasia | | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Clitoral Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | | Inflammation, Chronic Active | 2 | Bilateral, Duct, Ectasia | 2 | Duct, Ectasia | 2 | __________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | X | Periovarian Tissue, Cyst | X X | __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Hydrometra | | Pigmentation, Focal, Hemosiderin | 3 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| Mediastinal, Hemorrhage | 2 2 1 2 | Mediastinal, Pigmentation, | | Hemosiderin | | __________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + M + + + + + + + + + +| Hemorrhage | 1 | Hyperplasia, Lymphoid | | Hyperplasia, Plasma Cell | 3 3 | Sinus, Ectasia | 3 2 | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 12 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 _____________________________________________________________________________________________________________________ | 4| 4| 4| 4| 4| 4| 4| 4| 3| 3| 4| 4| 4| 4| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| DAY ON TEST | 2| 2| 2| 2| 2| 2| 2| 2| 9| 5| 2| 2| 2| 2| 9| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | 1| 1| 1| 1| 1| 2| 2| 2| 3| 7| 2| 2| 2| 2| 1| 2| 2| 2| 2| 2| 6| 2| 2| 6| 2| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 0.003 | 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | | | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 4 4 4 | __________________________________________________________________________| Thymus | + M + M + + + + M + + + + M + + + + + + + + M + +| Cyst | X X | Epithelial Cell, Hyperplasia | 2 2 2 2 2 2 2 2| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | M M + + + + + + + + + + + + + + + + + + + + + + +| Duct, Ectasia | | __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Acanthosis | 2 2 | Ulcer | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + | Cranium, Osteopetrosis | | Sternum, Osteopetrosis | 3 | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Infiltration Cellular, Histiocyte | 1 1 1 1 1 1 1 1 1 1 1 1 1 1 | Alveolar Epithelium, Hyperplasia, | | Focal | 1 1 2 1| Alveolar Epithelium, Hyperplasia, | | Multifocal | 1 1 | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | | __________________________________________________________________________| Zymbal's Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | X | Hyperplasia, Focal, Glandular | 2 2 | Hyperplasia, Focal, Squamous | 2 | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Karyomegaly | 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 | Nephropathy | 1 1 2 2 2 2 1 2 2 1 3 2 1 2 2 2 2 2 2 2 2 1 2 1 1| __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 13 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 __________________________________________________________________________________________________________________________________ | 4| 4| 4| 4| 3| 4| 4| 4| 4| 3| 4| 4| 4| 4| 3| 4| 4| 4| 4| 4| | | DAY ON TEST | 2| 2| 2| 2| 9| 2| 2| 2| 2| 9| 2| 2| 2| 2| 8| 2| 2| 2| 2| 2| | | | 2| 2| 2| 6| 1| 2| 2| 5| 5| 1| 5| 5| 5| 5| 4| 5| 5| 5| 5| 6| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| | A | 0.003 | 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| | L | | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + + + + + + + + + + + + + | 45 | __________________________________________________________________________|____________| Intestine Large | + + + + + + + + + + + + + + + + + + + + | 45 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + | 45 | __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + | 45 | Parasite Metazoan | | 2 1.5| __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + | 45 | Parasite Metazoan | 1 | 7 1.4| __________________________________________________________________________|____________| Intestine Small | + + + + + + + + + + + + + + + + + + + + | 45 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + | 45 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + | 45 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + | 45 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + | 45 | Basophilic Focus | 1 1 1 1 1 2 1 1 | 13 1.2| Degeneration, Cystic | 1 | 3 1.7| Eosinophilic Focus | 2 2 2 1 | 7 2.0| Hematopoietic Cell Proliferation | 2 1 1 1 | 7 1.3| Hepatodiaphragmatic Nodule | X X X X X X | 7 | Inflammation, Granulomatous, | | | Multifocal | 1 1 1 1 1 1 | 19 1.1| Mixed Cell Focus | 1 2 2 1 1 2 1 2 1 2 2 2 1 | 34 1.7| Necrosis, Coagulative, Focal | | 1 1.0| Necrosis, Focal | 4 2 | 2 3.0| Bile Duct, Hyperplasia | 2 2 | 2 2.0| Centrilobular, Necrosis | 2 | 1 2.0| __________________________________________________________________________|____________| Mesentery | + + | 3 | Hemorrhage | 4 | 1 4.0| Fat, Necrosis, Focal | 4 | 2 4.0| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + | 45 | Acinus, Atrophy | 2 | 2 2.0| __________________________________________________________________________|____________| Pharynx | + | 1 | __________________________________________________________________________|____________| Salivary Glands | + M + + + + + + + + + + + + + + + + + + | 43 | Inflammation, Chronic | | 1 4.0| __________________________________________________________________________|____________| Stomach | + + + + + + + + + + + + + + + + + + + + | 45 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + | 45 | __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + | 45 | Degeneration, Cystic | 1 | 3 1.0| __________________________________________________________________________|____________| Tongue | + + | 2 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 14 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 __________________________________________________________________________________________________________________________________ | 4| 4| 4| 4| 3| 4| 4| 4| 4| 3| 4| 4| 4| 4| 3| 4| 4| 4| 4| 4| | | DAY ON TEST | 2| 2| 2| 2| 9| 2| 2| 2| 2| 9| 2| 2| 2| 2| 8| 2| 2| 2| 2| 2| | | | 2| 2| 2| 6| 1| 2| 2| 5| 5| 1| 5| 5| 5| 5| 4| 5| 5| 5| 5| 6| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| | A | 0.003 | 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| | L | | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | | __________________________________________________________________________________________________________________________________ CARDIOVASCULAR SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + | 45 | Coronary Artery, Inflammation, | | | Chronic | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + | 45 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + | 45 | Cyst | | 1 | Hyperplasia, Focal | | 2 2.0| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + | 45 | __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + | 45 | __________________________________________________________________________|____________| Parathyroid Gland | + + M + + + + + + + + + + + + + + + + + | 44 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + | 45 | Angiectasis | 2 3 | 6 2.2| Cyst | X X | 7 | Hemorrhage | 3 | 2 3.0| Pars Distalis, Hyperplasia, Focal | | 1 2.0| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + | 45 | Ultimobranchial Cyst | X | 1 | C-Cell, Hyperplasia | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Clitoral Gland | + + + + + + + + + + + + + + + + + + + + | 45 | Hyperplasia | 2 | 1 2.0| Inflammation, Chronic Active | | 1 2.0| Bilateral, Duct, Ectasia | | 1 2.0| Duct, Ectasia | 3 | 2 2.5| __________________________________________________________________________|____________| Ovary | + + + + + + + + + + + + + + + + + + + M | 44 | Cyst | X | 2 | Periovarian Tissue, Cyst | X X | 4 | __________________________________________________________________________|____________| Uterus | + + + + + + + + + + + + + + + + + + + M | 44 | Hydrometra | 3 3 3 | 3 3.0| Pigmentation, Focal, Hemosiderin | | 1 3.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + | 45 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 15 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 __________________________________________________________________________________________________________________________________ | 4| 4| 4| 4| 3| 4| 4| 4| 4| 3| 4| 4| 4| 4| 3| 4| 4| 4| 4| 4| | | DAY ON TEST | 2| 2| 2| 2| 9| 2| 2| 2| 2| 9| 2| 2| 2| 2| 8| 2| 2| 2| 2| 2| | | | 2| 2| 2| 6| 1| 2| 2| 5| 5| 1| 5| 5| 5| 5| 4| 5| 5| 5| 5| 6| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| | A | 0.003 | 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| | L | | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | | __________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Lymph Node | + + + + + + + + + + + + + + + + + + + + | 45 | Mediastinal, Hemorrhage | 2 2 2 | 7 1.9| Mediastinal, Pigmentation, | | | Hemosiderin | 2 | 1 2.0| __________________________________________________________________________|____________| Lymph Node, Mandibular | + M + + + + + + + + + + + + + + + + + + | 43 | Hemorrhage | 2 | 2 1.5| Hyperplasia, Lymphoid | 2 2 | 2 2.0| Hyperplasia, Plasma Cell | 3 3 3 | 5 3.0| Sinus, Ectasia | 2 | 3 2.3| __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + | 45 | __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + | 45 | Hematopoietic Cell Proliferation | 4 4 3 | 6 3.8| __________________________________________________________________________|____________| Thymus | + + + + M + M M M M + + + + M + + M + M | 32 | Cyst | | 2 | Epithelial Cell, Hyperplasia | 2 2 2 2 2 2 2 | 15 2.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + M + + + + + + + + + + | 42 | Duct, Ectasia | 2 | 1 2.0| __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + | 45 | Acanthosis | 3 | 3 2.3| Ulcer | 4 | 1 4.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | + | 2 | Cranium, Osteopetrosis | 3 | 1 3.0| Sternum, Osteopetrosis | | 1 3.0| _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + | 45 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + | 45 | Infiltration Cellular, Histiocyte | 1 1 1 1 1 1 1 1 1 | 23 1.0| Alveolar Epithelium, Hyperplasia, | | | Focal | 2 1 2 | 7 1.4| Alveolar Epithelium, Hyperplasia, | | | Multifocal | 1 1 | 4 1.0| __________________________________________________________________________|____________| Nose | + + + + + + + + + M + + + + + + + + + + | 44 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 16 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 __________________________________________________________________________________________________________________________________ | 4| 4| 4| 4| 3| 4| 4| 4| 4| 3| 4| 4| 4| 4| 3| 4| 4| 4| 4| 4| | | DAY ON TEST | 2| 2| 2| 2| 9| 2| 2| 2| 2| 9| 2| 2| 2| 2| 8| 2| 2| 2| 2| 2| | | | 2| 2| 2| 6| 1| 2| 2| 5| 5| 1| 5| 5| 5| 5| 4| 5| 5| 5| 5| 6| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| | A | 0.003 | 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| | L | | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | | __________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + | 45 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | + | 1 | __________________________________________________________________________|____________| Zymbal's Gland | + + + + + + + + + M + + + + + + + + + + | 44 | Cyst | | 1 | Hyperplasia, Focal, Glandular | 2 | 3 2.0| Hyperplasia, Focal, Squamous | | 1 2.0| _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + | 45 | Karyomegaly | 1 1 1 1 1 1 1 1 1 1 1 1 | 28 1.0| Nephropathy | 2 2 2 1 1 1 2 2 2 2 1 2 2 2 2 1 1 2 2 | 44 1.7| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + | 45 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 17 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 _____________________________________________________________________________________________________________________ | 4| 4| 4| 3| 3| 4| 4| 4| 4| 3| 4| 4| 4| 4| 4| 4| 4| 3| 3| 1| 4| 4| 3| 3| 3| DAY ON TEST | 2| 2| 2| 3| 1| 2| 1| 2| 2| 3| 2| 2| 0| 0| 0| 2| 0| 9| 7| 8| 2| 2| 9| 7| 7| | 1| 1| 1| 8| 5| 1| 9| 1| 2| 8| 2| 2| 6| 5| 6| 2| 6| 0| 0| 4| 2| 2| 1| 8| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 0.007 | 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| Parasite Metazoan | | __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| Mineralization | | Parasite Metazoan | 2 1 1 3 | __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| Parasite Metazoan | 2 | __________________________________________________________________________| Intestine Small | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| Muscularis, Mineralization | | __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 | Basophilic Focus | 1 1 2 1 2 1 | Degeneration, Chronic | | Degeneration, Cystic | 2 | Eosinophilic Focus | 2 2 2 2 2 3 2 2 2 2 2 2 2 2 2 2 2 2 2 3 | Fatty Change, Multifocal | | Hematopoietic Cell Proliferation | 1 1 1 1 1 | Hepatodiaphragmatic Nodule | X X | Inflammation, Acute, Multifocal | 1 | Inflammation, Granulomatous, | | Multifocal | 1 2 1 1| Mixed Cell Focus | 3 3 2 2 2 2 2 2 2 2 2 2 3 2 1 1 2 1 3 2 3| Necrosis, Coagulative, Multifocal | | Necrosis, Focal | 3 | Bile Duct, Cyst | | Bile Duct, Hyperplasia | | __________________________________________________________________________| Mesentery | | Artery, Mineralization | | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Acinus, Atrophy | | Acinus, Hyperplasia, Focal | | Artery, Mineralization | | __________________________________________________________________________| Pharynx | + | Hyperplasia, Focal | | __________________________________________________________________________| Salivary Glands | + + + + M + + + + + M + + + + + + + + + + + + + +| Inflammation, Chronic | 2 | __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Multifocal | 2 | _____________________________________________________________________________________________________________________| Page 18 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 _____________________________________________________________________________________________________________________ | 4| 4| 4| 3| 3| 4| 4| 4| 4| 3| 4| 4| 4| 4| 4| 4| 4| 3| 3| 1| 4| 4| 3| 3| 3| DAY ON TEST | 2| 2| 2| 3| 1| 2| 1| 2| 2| 3| 2| 2| 0| 0| 0| 2| 0| 9| 7| 8| 2| 2| 9| 7| 7| | 1| 1| 1| 8| 5| 1| 9| 1| 2| 8| 2| 2| 6| 5| 6| 2| 6| 0| 0| 4| 2| 2| 1| 8| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 0.007 | 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM - cont | | | | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Degeneration, Cystic | 2 1 1 | Erosion | | Erosion, Multifocal | 2 | Mineralization | 3 | Ulcer | | __________________________________________________________________________| Tongue | + | Hyperkeratosis, Focal | | Artery, Mineralization | | __________________________________________________________________________| Tooth | | Peridontal Tissue, Inflammation, | | Chronic Active | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 1 | Mineralization | 3 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 2 2 2 | Hematopoietic Cell Proliferation | | Hyperplasia, Focal | 2 | Vacuolization Cytoplasmic, Focal | 2 2 2 2 | Bilateral, Angiectasis | | Bilateral, Hyperplasia, Multifocal | 2 | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Focal | | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | | __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | | Cyst | X X X X | Pars Distalis, Hyperplasia, Focal | | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Ultimobranchial Cyst | X X | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | __________________________________________________________________________| Tissue NOS | + | Mineralization | 4 | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | _____________________________________________________________________________________________________________________| Page 19 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 _____________________________________________________________________________________________________________________ | 4| 4| 4| 3| 3| 4| 4| 4| 4| 3| 4| 4| 4| 4| 4| 4| 4| 3| 3| 1| 4| 4| 3| 3| 3| DAY ON TEST | 2| 2| 2| 3| 1| 2| 1| 2| 2| 3| 2| 2| 0| 0| 0| 2| 0| 9| 7| 8| 2| 2| 9| 7| 7| | 1| 1| 1| 8| 5| 1| 9| 1| 2| 8| 2| 2| 6| 5| 6| 2| 6| 0| 0| 4| 2| 2| 1| 8| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 0.007 | 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| GENITAL SYSTEM - cont | | | | __________________________________________________________________________| Clitoral Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Focal, Squamous | | Hyperplasia | 2 | Inflammation, Suppurative | | Duct, Ectasia | 2 2 | __________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| Bilateral, Periovarian Tissue, Cyst | | Periovarian Tissue, Cyst | X X | __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrosis | 3 | Hydrometra | 2 | Cervix, Dilatation | | Endometrium, Cyst | X X | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Blood | | Anemia | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | | Hemorrhage | 2 | __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| Deep Cervical, Hyperplasia, Plasma | | Cell | 3 | Inguinal, Hyperplasia, Plasma Cell | | Mediastinal, Hemorrhage | 3 | Mediastinal, Pigmentation, | | Hemosiderin | | Mediastinal, Sinus, Infiltration | | Cellular, Histiocyte | | Renal, Hemorrhage | 2 | __________________________________________________________________________| Lymph Node, Mandibular | + + + + M + + + + + M + + + + + + + + + + + + + +| Hemorrhage | 1 | Hyperplasia, Lymphoid | 3 | Hyperplasia, Plasma Cell | 2 3 3 3 3 3 3 | Sinus, Ectasia | 3 | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + M + + + + + + + + + + + + + + + +| Atrophy | 4 | Hemorrhage | | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Depletion Lymphoid | | Fibrosis, Focal | | Fibrosis | | Hematopoietic Cell Proliferation | 3 3 4 3 4 | Pigmentation, Hemosiderin | | _____________________________________________________________________________________________________________________| Page 20 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 _____________________________________________________________________________________________________________________ | 4| 4| 4| 3| 3| 4| 4| 4| 4| 3| 4| 4| 4| 4| 4| 4| 4| 3| 3| 1| 4| 4| 3| 3| 3| DAY ON TEST | 2| 2| 2| 3| 1| 2| 1| 2| 2| 3| 2| 2| 0| 0| 0| 2| 0| 9| 7| 8| 2| 2| 9| 7| 7| | 1| 1| 1| 8| 5| 1| 9| 1| 2| 8| 2| 2| 6| 5| 6| 2| 6| 0| 0| 4| 2| 2| 1| 8| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 0.007 | 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | | | __________________________________________________________________________| Thymus | + + + + + + + + + + + + + + + + + M + + M + + + +| Epithelial Cell, Hyperplasia | 2 2 2 2 2 | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + M + + + + + + + + + +| __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst Epithelial Inclusion | X | Epidermis, Hyperplasia, Basal Cell, | | Focal | 1 | Hair Follicle, Hyperplasia, Basal | | Cell, Focal | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | | Cranium, Fibrous Osteodystrophy | | Sternum, Fibrous Osteodystrophy | | __________________________________________________________________________| Skeletal Muscle | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Brain Stem, Compression | | Brain Stem, Hemorrhage | | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Congestion | 2 | Hemorrhage | 2 | Infiltration Cellular, Histiocyte | 1 1 1 1 1 1 1 1 1 1 1 1 1 1| Metaplasia, Focal, Osseous | | Metaplasia, Squamous | | Mineralization | 2 | Alveolar Epithelium, Hyperplasia, | | Focal | 1 2 1 2 2 1 2 1 2 1 | Alveolar Epithelium, Hyperplasia, | | Multifocal | 1 2 1 2| Artery, Mineralization | | Interstitium, Inflammation | | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Fungus | 3 | Hemorrhage | 2 2 | Inflammation, Suppurative | 3 | Olfactory Epithelium, Hyperplasia, | | Focal | | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 21 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 _____________________________________________________________________________________________________________________ | 4| 4| 4| 3| 3| 4| 4| 4| 4| 3| 4| 4| 4| 4| 4| 4| 4| 3| 3| 1| 4| 4| 3| 3| 3| DAY ON TEST | 2| 2| 2| 3| 1| 2| 1| 2| 2| 3| 2| 2| 0| 0| 0| 2| 0| 9| 7| 8| 2| 2| 9| 7| 7| | 1| 1| 1| 8| 5| 1| 9| 1| 2| 8| 2| 2| 6| 5| 6| 2| 6| 0| 0| 4| 2| 2| 1| 8| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 0.007 | 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM - cont | | | | _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | +| Anterior Chamber, Hemorrhage | 4| Cornea, Inflammation, Suppurative | 4| __________________________________________________________________________| Harderian Gland | | Pigmentation, Porphyrin | | __________________________________________________________________________| Zymbal's Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Ectasia | 2 | Hyperplasia, Focal, Glandular | 3 | Hyperplasia, Focal, Squamous | 2 | Hypertrophy | | Inflammation, Chronic Active | 2 | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Karyomegaly | 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1| Nephropathy | 2 3 4 3 2 2 3 4 4 3 2 2 3 3 3 3 4 4 4 1 3 3 3 4 3| __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Dilatation | | Hemorrhage | | _____________________________________________________________________________________________________________________| Page 22 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 _____________________________________________________________________________________________________________________ | 4| 4| 4| 3| 3| 4| 4| 3| 3| 3| 4| 4| 3| 3| 1| 4| 4| 4| 3| 3| 4| 4| 3| 3| 2| DAY ON TEST | 2| 2| 0| 6| 5| 2| 0| 1| 1| 0| 2| 2| 8| 1| 4| 2| 2| 0| 9| 9| 2| 0| 6| 6| 2| | 2| 6| 6| 4| 5| 2| 6| 5| 5| 9| 2| 2| 4| 0| 2| 2| 2| 9| 1| 1| 2| 5| 9| 9| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 0.007 | 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| Parasite Metazoan | | __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| Mineralization | 2 3 | Parasite Metazoan | 1 1 2 2 | __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| Parasite Metazoan | 2 2 | __________________________________________________________________________| Intestine Small | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + M +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + M +| Muscularis, Mineralization | 2 | __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + M +| Angiectasis | 2 2 2 | Basophilic Focus | 1 2 | Degeneration, Chronic | | Degeneration, Cystic | 1 2 1 2 1 2 | Eosinophilic Focus | 2 2 2 2 2 3 2 3 2 3 3 2 3 2 2 2 3 2| Fatty Change, Multifocal | 1 1 | Hematopoietic Cell Proliferation | 1 1 1 1 1 1| Hepatodiaphragmatic Nodule | X X| Inflammation, Acute, Multifocal | 1 | Inflammation, Granulomatous, | | Multifocal | 1 1 1 1 1 | Mixed Cell Focus | 2 2 1 2 2 3 2 2 2 2 2 2 2 | Necrosis, Coagulative, Multifocal | 2 | Necrosis, Focal | 4 3 4 4 | Bile Duct, Cyst | X | Bile Duct, Hyperplasia | 1 | __________________________________________________________________________| Mesentery | + | Artery, Mineralization | 3 | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + M +| Acinus, Atrophy | 2 | Acinus, Hyperplasia, Focal | 2 | Artery, Mineralization | 3 | __________________________________________________________________________| Pharynx | | Hyperplasia, Focal | | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | 3 3 | __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + M +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + M +| Hyperplasia, Multifocal | | _____________________________________________________________________________________________________________________| Page 23 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 _____________________________________________________________________________________________________________________ | 4| 4| 4| 3| 3| 4| 4| 3| 3| 3| 4| 4| 3| 3| 1| 4| 4| 4| 3| 3| 4| 4| 3| 3| 2| DAY ON TEST | 2| 2| 0| 6| 5| 2| 0| 1| 1| 0| 2| 2| 8| 1| 4| 2| 2| 0| 9| 9| 2| 0| 6| 6| 2| | 2| 6| 6| 4| 5| 2| 6| 5| 5| 9| 2| 2| 4| 0| 2| 2| 2| 9| 1| 1| 2| 5| 9| 9| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 0.007 | 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM - cont | | | | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + M +| Degeneration, Cystic | 2 | Erosion | 3 | Erosion, Multifocal | | Mineralization | 4 3 3 4 | Ulcer | 4 | __________________________________________________________________________| Tongue | + + | Hyperkeratosis, Focal | 2 | Artery, Mineralization | 3 | __________________________________________________________________________| Tooth | + | Peridontal Tissue, Inflammation, | | Chronic Active | 3 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | | Mineralization | 4 3 2 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + M +| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + M +| Angiectasis | 2 3 | Hematopoietic Cell Proliferation | 2 | Hyperplasia, Focal | 2 | Vacuolization Cytoplasmic, Focal | 2 2 | Bilateral, Angiectasis | | Bilateral, Hyperplasia, Multifocal | | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + M +| Hyperplasia, Focal | 2 | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + M +| __________________________________________________________________________| Parathyroid Gland | M + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 3 3 3 3 3 | __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 4 | Cyst | X X X X | Pars Distalis, Hyperplasia, Focal | 2 2 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Ultimobranchial Cyst | X X | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | __________________________________________________________________________| Tissue NOS | + + + | Mineralization | 4 3 3 | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | _____________________________________________________________________________________________________________________| Page 24 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 _____________________________________________________________________________________________________________________ | 4| 4| 4| 3| 3| 4| 4| 3| 3| 3| 4| 4| 3| 3| 1| 4| 4| 4| 3| 3| 4| 4| 3| 3| 2| DAY ON TEST | 2| 2| 0| 6| 5| 2| 0| 1| 1| 0| 2| 2| 8| 1| 4| 2| 2| 0| 9| 9| 2| 0| 6| 6| 2| | 2| 6| 6| 4| 5| 2| 6| 5| 5| 9| 2| 2| 4| 0| 2| 2| 2| 9| 1| 1| 2| 5| 9| 9| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 0.007 | 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| GENITAL SYSTEM - cont | | | | __________________________________________________________________________| Clitoral Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Focal, Squamous | | Hyperplasia | 2 2 | Inflammation, Suppurative | 4 | Duct, Ectasia | 2 3 3 3 3 3 4 | __________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| Bilateral, Periovarian Tissue, Cyst | X | Periovarian Tissue, Cyst | | __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrosis | | Hydrometra | | Cervix, Dilatation | 3 | Endometrium, Cyst | | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Blood | | Anemia | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + M + + +| Atrophy | | Hemorrhage | | __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| Deep Cervical, Hyperplasia, Plasma | | Cell | | Inguinal, Hyperplasia, Plasma Cell | | Mediastinal, Hemorrhage | | Mediastinal, Pigmentation, | | Hemosiderin | | Mediastinal, Sinus, Infiltration | | Cellular, Histiocyte | | Renal, Hemorrhage | 2 | __________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 2 | Hyperplasia, Lymphoid | | Hyperplasia, Plasma Cell | 3 3 3 3 | Sinus, Ectasia | | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + M +| Atrophy | | Hemorrhage | | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + M +| Depletion Lymphoid | 2 | Fibrosis, Focal | | Fibrosis | 2 | Hematopoietic Cell Proliferation | 4 2 3 3 4 3 4 3| Pigmentation, Hemosiderin | 3 | _____________________________________________________________________________________________________________________| Page 25 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 _____________________________________________________________________________________________________________________ | 4| 4| 4| 3| 3| 4| 4| 3| 3| 3| 4| 4| 3| 3| 1| 4| 4| 4| 3| 3| 4| 4| 3| 3| 2| DAY ON TEST | 2| 2| 0| 6| 5| 2| 0| 1| 1| 0| 2| 2| 8| 1| 4| 2| 2| 0| 9| 9| 2| 0| 6| 6| 2| | 2| 6| 6| 4| 5| 2| 6| 5| 5| 9| 2| 2| 4| 0| 2| 2| 2| 9| 1| 1| 2| 5| 9| 9| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 0.007 | 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | | | __________________________________________________________________________| Thymus | + + + + + + + + + + + + + + + + + + + + + M + M +| Epithelial Cell, Hyperplasia | 2 2 2 2 2 2 | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + M + +| __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst Epithelial Inclusion | | Epidermis, Hyperplasia, Basal Cell, | | Focal | | Hair Follicle, Hyperplasia, Basal | | Cell, Focal | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + | Cranium, Fibrous Osteodystrophy | 3 2 | Sternum, Fibrous Osteodystrophy | 3 | __________________________________________________________________________| Skeletal Muscle | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Brain Stem, Compression | | Brain Stem, Hemorrhage | | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Congestion | | Hemorrhage | 3 | Infiltration Cellular, Histiocyte | 1 1 1 1 1 1 1 | Metaplasia, Focal, Osseous | | Metaplasia, Squamous | | Mineralization | 2 | Alveolar Epithelium, Hyperplasia, | | Focal | 1 1 1 2 1 1| Alveolar Epithelium, Hyperplasia, | | Multifocal | 1 1 1 | Artery, Mineralization | 3 | Interstitium, Inflammation | | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Fungus | | Hemorrhage | | Inflammation, Suppurative | 2 2 2 | Olfactory Epithelium, Hyperplasia, | | Focal | | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 26 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 _____________________________________________________________________________________________________________________ | 4| 4| 4| 3| 3| 4| 4| 3| 3| 3| 4| 4| 3| 3| 1| 4| 4| 4| 3| 3| 4| 4| 3| 3| 2| DAY ON TEST | 2| 2| 0| 6| 5| 2| 0| 1| 1| 0| 2| 2| 8| 1| 4| 2| 2| 0| 9| 9| 2| 0| 6| 6| 2| | 2| 6| 6| 4| 5| 2| 6| 5| 5| 9| 2| 2| 4| 0| 2| 2| 2| 9| 1| 1| 2| 5| 9| 9| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 0.007 | 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM - cont | | | | _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | + + | Anterior Chamber, Hemorrhage | 3 | Cornea, Inflammation, Suppurative | 4 | __________________________________________________________________________| Harderian Gland | + | Pigmentation, Porphyrin | 3 | __________________________________________________________________________| Zymbal's Gland | + + + + + + + + + + + + + + + + + + + + + + + +| Ectasia | 2 1 | Hyperplasia, Focal, Glandular | 2 2 | Hyperplasia, Focal, Squamous | 2 2 | Hypertrophy | | Inflammation, Chronic Active | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + M +| Karyomegaly | 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 | Nephropathy | 3 3 4 4 3 4 2 4 2 3 3 2 3 3 3 3 4 2 2 4 4 4 1| __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Dilatation | 3 | Hemorrhage | 2 | _____________________________________________________________________________________________________________________| Page 27 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 __________________________________________________________________________________________________________________________________ | 4| 4| 3| 3| 3| 4| 4| 4| 3| 3| 4| 4| 4| 4| 3| 4| 4| 4| 4| 2| 4| 3| 3| 3| 3| | DAY ON TEST | 2| 2| 6| 3| 2| 2| 2| 0| 9| 3| 2| 2| 2| 2| 8| 2| 2| 2| 2| 6| 2| 8| 6| 3| 2| | | 2| 2| 5| 8| 7| 2| 2| 5| 0| 8| 2| 2| 2| 5| 3| 5| 5| 5| 6| 8| 5| 8| 3| 8| 0| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| A | 0.007 | 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| L | | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + M + + + + + + + + + + + + + + + + + + + + +| 74 | __________________________________________________________________________|____________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + +| 75 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| 75 | Parasite Metazoan | 1 | 1 1.0| __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 75 | Mineralization | | 2 2.5| Parasite Metazoan | 3 | 9 1.8| __________________________________________________________________________|____________| Intestine Large, Rectum | + + M + + + + + + + + + + + + + + + + + + + + + +| 74 | Parasite Metazoan | 2 1| 5 1.8| __________________________________________________________________________|____________| Intestine Small | + + + + + + + + + + + + + + + + + + + + + + + + +| 75 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| 74 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| 75 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| 74 | Muscularis, Mineralization | | 1 2.0| __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 74 | Angiectasis | 2 2 | 6 2.0| Basophilic Focus | 1 3 1 | 11 1.5| Degeneration, Chronic | 1 | 1 1.0| Degeneration, Cystic | 2 2 1 1 2 | 12 1.6| Eosinophilic Focus | 2 2 3 2 2 2 2 2 2 3 2 2 2 1 3 2 2 1 2| 57 2.2| Fatty Change, Multifocal | 1 1 | 4 1.0| Hematopoietic Cell Proliferation | 1 1 1 1 1 1 1 1 | 19 1.0| Hepatodiaphragmatic Nodule | X X X | 7 | Inflammation, Acute, Multifocal | | 2 1.0| Inflammation, Granulomatous, | | | Multifocal | 1 | 10 1.1| Mixed Cell Focus | 3 1 3 2 2 2 2 2 2 3 1 3 2 2 2| 49 2.1| Necrosis, Coagulative, Multifocal | 2 | 2 2.0| Necrosis, Focal | | 5 3.6| Bile Duct, Cyst | X | 2 | Bile Duct, Hyperplasia | | 1 1.0| __________________________________________________________________________|____________| Mesentery | | 1 | Artery, Mineralization | | 1 3.0| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 74 | Acinus, Atrophy | | 1 2.0| Acinus, Hyperplasia, Focal | | 1 2.0| Artery, Mineralization | | 1 3.0| __________________________________________________________________________|____________| Pharynx | + + + + + + + | 8 | Hyperplasia, Focal | 3 | 1 3.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 28 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 __________________________________________________________________________________________________________________________________ | 4| 4| 3| 3| 3| 4| 4| 4| 3| 3| 4| 4| 4| 4| 3| 4| 4| 4| 4| 2| 4| 3| 3| 3| 3| | DAY ON TEST | 2| 2| 6| 3| 2| 2| 2| 0| 9| 3| 2| 2| 2| 2| 8| 2| 2| 2| 2| 6| 2| 8| 6| 3| 2| | | 2| 2| 5| 8| 7| 2| 2| 5| 0| 8| 2| 2| 2| 5| 3| 5| 5| 5| 6| 8| 5| 8| 3| 8| 0| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| A | 0.007 | 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| L | | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Salivary Glands | + + + M + + + + + + + + + + + + + + + + + + + + +| 72 | Inflammation, Chronic | | 3 2.7| __________________________________________________________________________|____________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 74 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 74 | Hyperplasia, Multifocal | | 1 2.0| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 74 | Degeneration, Cystic | 1 1 | 6 1.3| Erosion | 1 | 2 2.0| Erosion, Multifocal | | 1 2.0| Mineralization | | 5 3.4| Ulcer | | 1 4.0| __________________________________________________________________________|____________| Tongue | | 3 | Hyperkeratosis, Focal | | 1 2.0| Artery, Mineralization | | 1 3.0| __________________________________________________________________________|____________| Tooth | + | 2 | Peridontal Tissue, Inflammation, | | | Chronic Active | 3 | 2 3.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + M + + + + + + + + + + + + + + + + + + + + +| 74 | Cardiomyopathy | 1 1 | 3 1.0| Mineralization | | 4 3.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 74 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 74 | Angiectasis | 2 2 | 8 2.1| Hematopoietic Cell Proliferation | | 1 2.0| Hyperplasia, Focal | 2 | 3 2.0| Vacuolization Cytoplasmic, Focal | 1 2 2 2 | 10 1.9| Bilateral, Angiectasis | 1 | 1 1.0| Bilateral, Hyperplasia, Multifocal | | 1 2.0| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 74 | Hyperplasia, Focal | 2 | 2 2.0| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 74 | __________________________________________________________________________|____________| Parathyroid Gland | M + + M + + + + + + + + M + + + + + + + + + + + +| 70 | Hyperplasia | | 5 3.0| __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 75 | Angiectasis | 2 2 | 3 2.7| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 29 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 __________________________________________________________________________________________________________________________________ | 4| 4| 3| 3| 3| 4| 4| 4| 3| 3| 4| 4| 4| 4| 3| 4| 4| 4| 4| 2| 4| 3| 3| 3| 3| | DAY ON TEST | 2| 2| 6| 3| 2| 2| 2| 0| 9| 3| 2| 2| 2| 2| 8| 2| 2| 2| 2| 6| 2| 8| 6| 3| 2| | | 2| 2| 5| 8| 7| 2| 2| 5| 0| 8| 2| 2| 2| 5| 3| 5| 5| 5| 6| 8| 5| 8| 3| 8| 0| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| A | 0.007 | 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| L | | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM - cont | | | | | | Cyst | X X X | 11 | Pars Distalis, Hyperplasia, Focal | | 2 2.0| __________________________________________________________________________|____________| Thyroid Gland | + + + M + + + + + + + + + + + + + + + + + + + + +| 74 | Ultimobranchial Cyst | X X X | 7 | _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | __________________________________________________________________________|____________| Tissue NOS | + +| 6 | Mineralization | | 4 3.5| _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Clitoral Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 75 | Hyperplasia, Focal, Squamous | 3 | 1 3.0| Hyperplasia | | 3 2.0| Inflammation, Suppurative | | 1 4.0| Duct, Ectasia | 3 2 3 | 12 2.8| __________________________________________________________________________|____________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| 75 | Bilateral, Periovarian Tissue, Cyst | | 1 | Periovarian Tissue, Cyst | X | 3 | __________________________________________________________________________|____________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| 75 | Fibrosis | | 1 3.0| Hydrometra | | 1 2.0| Cervix, Dilatation | | 1 3.0| Endometrium, Cyst | X | 3 | _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Blood | + | 1 | Anemia | X | 1 | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + M + + + + + + + + + + + + + + + + +| 73 | Atrophy | 3 | 1 3.0| Hemorrhage | 3 | 2 2.5| __________________________________________________________________________|____________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| 75 | Deep Cervical, Hyperplasia, Plasma | | | Cell | | 1 3.0| Inguinal, Hyperplasia, Plasma Cell | 3 | 1 3.0| Mediastinal, Hemorrhage | 2 2 2 | 4 2.3| Mediastinal, Pigmentation, | | | Hemosiderin | 2 2 | 2 2.0| Mediastinal, Sinus, Infiltration | | | Cellular, Histiocyte | 3 | 1 3.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 30 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 __________________________________________________________________________________________________________________________________ | 4| 4| 3| 3| 3| 4| 4| 4| 3| 3| 4| 4| 4| 4| 3| 4| 4| 4| 4| 2| 4| 3| 3| 3| 3| | DAY ON TEST | 2| 2| 6| 3| 2| 2| 2| 0| 9| 3| 2| 2| 2| 2| 8| 2| 2| 2| 2| 6| 2| 8| 6| 3| 2| | | 2| 2| 5| 8| 7| 2| 2| 5| 0| 8| 2| 2| 2| 5| 3| 5| 5| 5| 6| 8| 5| 8| 3| 8| 0| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| A | 0.007 | 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| L | | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont | | | | | | Renal, Hemorrhage | | 2 2.0| __________________________________________________________________________|____________| Lymph Node, Mandibular | + + + M + + + + + + + + + + + + + + + + + + + + +| 72 | Hemorrhage | 2 | 3 1.7| Hyperplasia, Lymphoid | 2 | 2 2.5| Hyperplasia, Plasma Cell | 3 3 3 3 3 3 2 3 4| 20 3.0| Sinus, Ectasia | 3 | 2 3.0| __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| 73 | Atrophy | 3| 2 3.5| Hemorrhage | 3 | 1 3.0| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 74 | Depletion Lymphoid | | 1 2.0| Fibrosis, Focal | 3 | 1 3.0| Fibrosis | 4 | 2 3.0| Hematopoietic Cell Proliferation | 3 4 4 4 4 3 3 | 20 3.4| Pigmentation, Hemosiderin | | 1 3.0| __________________________________________________________________________|____________| Thymus | M + + M + M + + + + + + + M + + + + + + + + + + +| 67 | Epithelial Cell, Hyperplasia | 2 2 2 2 2 2 | 17 2.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 73 | __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 75 | Cyst Epithelial Inclusion | | 1 | Epidermis, Hyperplasia, Basal Cell, | | | Focal | | 1 1.0| Hair Follicle, Hyperplasia, Basal | | | Cell, Focal | 1 | 1 1.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | | 2 | Cranium, Fibrous Osteodystrophy | | 2 2.5| Sternum, Fibrous Osteodystrophy | | 1 3.0| __________________________________________________________________________|____________| Skeletal Muscle | + | 1 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 75 | Brain Stem, Compression | 2 | 1 2.0| Brain Stem, Hemorrhage | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 31 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 __________________________________________________________________________________________________________________________________ | 4| 4| 3| 3| 3| 4| 4| 4| 3| 3| 4| 4| 4| 4| 3| 4| 4| 4| 4| 2| 4| 3| 3| 3| 3| | DAY ON TEST | 2| 2| 6| 3| 2| 2| 2| 0| 9| 3| 2| 2| 2| 2| 8| 2| 2| 2| 2| 6| 2| 8| 6| 3| 2| | | 2| 2| 5| 8| 7| 2| 2| 5| 0| 8| 2| 2| 2| 5| 3| 5| 5| 5| 6| 8| 5| 8| 3| 8| 0| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| A | 0.007 | 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| L | | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Lung | + + + M + + + + + + + + + + + + + + + + + + + + +| 74 | Congestion | | 1 2.0| Hemorrhage | | 2 2.5| Infiltration Cellular, Histiocyte | 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 | 36 1.0| Metaplasia, Focal, Osseous | 1 | 1 1.0| Metaplasia, Squamous | 2 | 1 2.0| Mineralization | | 2 2.0| Alveolar Epithelium, Hyperplasia, | | | Focal | 1 2 1 1 | 20 1.4| Alveolar Epithelium, Hyperplasia, | | | Multifocal | 1 2 1 | 10 1.3| Artery, Mineralization | | 1 3.0| Interstitium, Inflammation | 1 4 1 1 | 4 1.8| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 75 | Fungus | | 1 3.0| Hemorrhage | | 2 2.0| Inflammation, Suppurative | 4 1| 6 2.3| Olfactory Epithelium, Hyperplasia, | | | Focal | 1| 1 1.0| __________________________________________________________________________|____________| Trachea | + + + M + + + + + + + + + + + + + + + + + + + + +| 74 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | +| 4 | Anterior Chamber, Hemorrhage | | 2 3.5| Cornea, Inflammation, Suppurative | 4| 3 4.0| __________________________________________________________________________|____________| Harderian Gland | | 1 | Pigmentation, Porphyrin | | 1 3.0| __________________________________________________________________________|____________| Zymbal's Gland | + + + + + + + M + + + + + + + + + + + + + + + + +| 73 | Ectasia | 2 | 4 1.8| Hyperplasia, Focal, Glandular | | 3 2.3| Hyperplasia, Focal, Squamous | 2 | 4 2.0| Hypertrophy | 3 2 1 | 3 2.0| Inflammation, Chronic Active | | 1 2.0| _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 74 | Karyomegaly | 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 | 61 1.0| Nephropathy | 4 4 4 3 2 4 3 2 3 4 2 2 2 2 3 2 2 2 1 3 3 3 4 3| 72 2.9| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 75 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 32 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 __________________________________________________________________________________________________________________________________ | 4| 4| 3| 3| 3| 4| 4| 4| 3| 3| 4| 4| 4| 4| 3| 4| 4| 4| 4| 2| 4| 3| 3| 3| 3| | DAY ON TEST | 2| 2| 6| 3| 2| 2| 2| 0| 9| 3| 2| 2| 2| 2| 8| 2| 2| 2| 2| 6| 2| 8| 6| 3| 2| | | 2| 2| 5| 8| 7| 2| 2| 5| 0| 8| 2| 2| 2| 5| 3| 5| 5| 5| 6| 8| 5| 8| 3| 8| 0| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| A | 0.007 | 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| L | | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ URINARY SYSTEM - cont | | | | | | Dilatation | 3 | 2 3.0| Hemorrhage | | 1 2.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 33 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 _____________________________________________________________________________________________________________________ | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 2| 1| 4| 3| 3| 2| 2| 4| 4| 3| 3| 2| DAY ON TEST | 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 5| 5| 2| 4| 2| 4| 3| 8| 6| 2| 0| 4| 4| 6| | 5| 5| 5| 5| 5| 5| 5| 5| 5| 4| 5| 5| 5| 9| 2| 1| 1| 8| 0| 5| 1| 6| 3| 3| 4| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0.015 | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + +| Edema | | __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + +| Parasite Metazoan | 3 X | __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + +| Parasite Metazoan | 1 | __________________________________________________________________________| Intestine Small | + + + + A + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + A + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + A + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + A + + + + + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + +| Angiectasis | 2 | Basophilic Focus | 2 | Congestion | 2 | Cyst | | Degeneration, Cystic | 2 | Eosinophilic Focus | 2 2 2 1 2 3 2 2 2 | Fatty Change, Multifocal | 1 | Hematocyst | X | Hematopoietic Cell Proliferation | 1 1 | Hemorrhage | 3 | Hepatodiaphragmatic Nodule | X | Hyperplasia, Re Cell | 2 | Inflammation, Granulomatous, | | Multifocal | 2 1 1 1 | Inflammation, Multifocal, Suppurative| 1 | Mixed Cell Focus | 1 2 3 3 3 3 | Necrosis, Coagulative, Focal | | Necrosis, Focal | | Bile Duct, Cyst | | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + +| Acinus, Atrophy | | __________________________________________________________________________| Pharynx | + + | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + +| Inflammation, Chronic | | __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + +| Inflammation, Chronic | | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + +| Degeneration, Cystic | 2 1 | Erosion, Multifocal | | __________________________________________________________________________| Tongue | + + | _____________________________________________________________________________________________________________________| Page 34 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 _____________________________________________________________________________________________________________________ | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 2| 1| 4| 3| 3| 2| 2| 4| 4| 3| 3| 2| DAY ON TEST | 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 5| 5| 2| 4| 2| 4| 3| 8| 6| 2| 0| 4| 4| 6| | 5| 5| 5| 5| 5| 5| 5| 5| 5| 4| 5| 5| 5| 9| 2| 1| 1| 8| 0| 5| 1| 6| 3| 3| 4| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0.015 | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM - cont | | | | Hyperkeratosis, Focal | 2 | __________________________________________________________________________| Tooth | | Peridontal Tissue, Inflammation, | | Chronic Active | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + +| Cardiomyopathy | 1 | Mitral Valve, Inflammation, | | Suppurative | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + +| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + +| Angiectasis | | Hyperplasia, Focal | | Vacuolization Cytoplasmic, Focal | 2 1 | Vacuolization Cytoplasmic, Multifocal| | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + +| __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + +| __________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + + + +| Hyperplasia | | __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + +| Angiectasis | | Cyst | X | Pars Distalis, Hyperplasia, Focal | | Pars Distalis, Hyperplasia | 3 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + +| Ultimobranchial Cyst | | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | __________________________________________________________________________| Tissue NOS | + | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Clitoral Gland | + + + + + + + + + + + + + + +| Inflammation, Chronic Active | | Inflammation, Suppurative | | Duct, Ectasia | 3 2 | __________________________________________________________________________| Ovary | + + + + + + + + + + + + + + +| Periovarian Tissue, Cyst | X | __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + +| Thrombosis | | Endometrium, Hyperplasia, Papillary | | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | _____________________________________________________________________________________________________________________| Page 35 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 _____________________________________________________________________________________________________________________ | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 2| 1| 4| 3| 3| 2| 2| 4| 4| 3| 3| 2| DAY ON TEST | 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 5| 5| 2| 4| 2| 4| 3| 8| 6| 2| 0| 4| 4| 6| | 5| 5| 5| 5| 5| 5| 5| 5| 5| 4| 5| 5| 5| 9| 2| 1| 1| 8| 0| 5| 1| 6| 3| 3| 4| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0.015 | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + +| Atrophy | | Hemorrhage | | Hyperplasia | 2 2 | __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + +| Hemorrhage | 2 | Iliac, Hyperplasia, Plasma Cell | | Mediastinal, Hemorrhage | | Mediastinal, Hyperplasia, Plasma Cell| 3 | __________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + +| Hemorrhage | 2 | Hyperplasia, Lymphoid | | Hyperplasia, Plasma Cell | 3 3 3 4 2 3| Sinus, Ectasia | 2 | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + +| Atrophy | | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 3 3 | Red Pulp, Atrophy | | __________________________________________________________________________| Thymus | + + M + + M + + + + M + + + +| Cyst | | Depletion Lymphoid | | Hemorrhage | 3 | Epithelial Cell, Hyperplasia | 2 | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + M + + + + + M + + + +| __________________________________________________________________________| Skin | + + + + + + + + + + + + + + +| Acanthosis | | Cyst Epithelial Inclusion | | Inflammation, Chronic Active | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | | Cranium, Fibrous Osteodystrophy | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + +| Cerebellum, Hemorrhage | | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + +| Congestion | 4 | _____________________________________________________________________________________________________________________| Page 36 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 _____________________________________________________________________________________________________________________ | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 2| 1| 4| 3| 3| 2| 2| 4| 4| 3| 3| 2| DAY ON TEST | 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| 5| 5| 2| 4| 2| 4| 3| 8| 6| 2| 0| 4| 4| 6| | 5| 5| 5| 5| 5| 5| 5| 5| 5| 4| 5| 5| 5| 9| 2| 1| 1| 8| 0| 5| 1| 6| 3| 3| 4| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0.015 | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM - cont | | | | Edema | | Foreign Body | | Hemorrhage | 3 | Infiltration Cellular, Histiocyte | 1 1 1 1 1 1 1 | Pigmentation | 1 | Alveolar Epithelium, Hyperplasia, | | Focal | 1 | Alveolar Epithelium, Hyperplasia, | | Multifocal | 2 | Bronchiole, Inflammation, Suppurative| | Interstitium, Inflammation | 1 1| Peribronchiolar, Alveolus, | | Inflammation, Suppurative | | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + +| Foreign Body | | Hemorrhage | 2 | Inflammation, Suppurative | 2 3 | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Ear | | Pinna, Ulcer | | __________________________________________________________________________| Eye | | Cornea, Inflammation, Suppurative | | __________________________________________________________________________| Harderian Gland | | Pigmentation, Porphyrin | | __________________________________________________________________________| Zymbal's Gland | + + + + + + + + + + + + + + +| Cyst | | Hyperplasia, Focal, Squamous | 3 | Hypertrophy | 1 | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + +| Hemorrhage | 2 | Karyomegaly | 1 1 1 1 1 1 1 1 1 1 1 1| Nephropathy | 2 3 3 2 3 2 2 2 1 2 2 4 3 1| Medulla, Inflammation, Suppurative | | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + +| Hyperplasia, Papillary | | _____________________________________________________________________________________________________________________| Page 37 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 _____________________________________________________________________________________________________________________ | 3| 3| 3| 3| 2| 4| 4| 3| 3| 3| 4| 3| 3| 3| 2| 4| 4| 4| 4| 2| 4| 4| 3| 3| 2| DAY ON TEST | 9| 4| 3| 3| 9| 2| 2| 9| 1| 1| 2| 9| 7| 3| 9| 2| 2| 0| 0| 9| 2| 0| 7| 7| 6| | 1| 1| 8| 6| 6| 1| 1| 1| 5| 5| 1| 0| 7| 8| 6| 2| 2| 5| 6| 5| 6| 6| 8| 0| 4| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| ANIMAL ID | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0.015 | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| Edema | 3 | __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| Parasite Metazoan | 2 2 | __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| Parasite Metazoan | 2 1 | __________________________________________________________________________| Intestine Small | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | | Basophilic Focus | | Congestion | | Cyst | X | Degeneration, Cystic | 2 1 2 2 2 | Eosinophilic Focus | 2 2 3 2 2 2 2 2 2 2 2 2 2 3 2 | Fatty Change, Multifocal | | Hematocyst | | Hematopoietic Cell Proliferation | 1 1 1 | Hemorrhage | | Hepatodiaphragmatic Nodule | X | Hyperplasia, Re Cell | | Inflammation, Granulomatous, | | Multifocal | 1 1 | Inflammation, Multifocal, Suppurative| | Mixed Cell Focus | 2 3 3 3 3 2 3 2 3 1 1 3 3 3 2 3 2| Necrosis, Coagulative, Focal | | Necrosis, Focal | 4 | Bile Duct, Cyst | | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Acinus, Atrophy | 2 | __________________________________________________________________________| Pharynx | + + + + | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | 3| __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | 1 | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Degeneration, Cystic | 1 1 1 1 1 1 | Erosion, Multifocal | 2 | __________________________________________________________________________| Tongue | + + | _____________________________________________________________________________________________________________________| Page 38 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 _____________________________________________________________________________________________________________________ | 3| 3| 3| 3| 2| 4| 4| 3| 3| 3| 4| 3| 3| 3| 2| 4| 4| 4| 4| 2| 4| 4| 3| 3| 2| DAY ON TEST | 9| 4| 3| 3| 9| 2| 2| 9| 1| 1| 2| 9| 7| 3| 9| 2| 2| 0| 0| 9| 2| 0| 7| 7| 6| | 1| 1| 8| 6| 6| 1| 1| 1| 5| 5| 1| 0| 7| 8| 6| 2| 2| 5| 6| 5| 6| 6| 8| 0| 4| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| ANIMAL ID | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0.015 | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM - cont | | | | Hyperkeratosis, Focal | | __________________________________________________________________________| Tooth | | Peridontal Tissue, Inflammation, | | Chronic Active | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 1 | Mitral Valve, Inflammation, | | Suppurative | 2 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 2 2 2 | Hyperplasia, Focal | | Vacuolization Cytoplasmic, Focal | 2 2 | Vacuolization Cytoplasmic, Multifocal| | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Parathyroid Gland | + + + + + M + + + + + + + + + + + M + + + + + + +| Hyperplasia | 2 3 | __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 | Cyst | X X X X| Pars Distalis, Hyperplasia, Focal | | Pars Distalis, Hyperplasia | | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Ultimobranchial Cyst | X X | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | __________________________________________________________________________| Tissue NOS | + | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Clitoral Gland | + M + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 2 | Inflammation, Suppurative | 3 | Duct, Ectasia | 3 | __________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| Periovarian Tissue, Cyst | | __________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Thrombosis | 4 | Endometrium, Hyperplasia, Papillary | 3 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | _____________________________________________________________________________________________________________________| Page 39 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 _____________________________________________________________________________________________________________________ | 3| 3| 3| 3| 2| 4| 4| 3| 3| 3| 4| 3| 3| 3| 2| 4| 4| 4| 4| 2| 4| 4| 3| 3| 2| DAY ON TEST | 9| 4| 3| 3| 9| 2| 2| 9| 1| 1| 2| 9| 7| 3| 9| 2| 2| 0| 0| 9| 2| 0| 7| 7| 6| | 1| 1| 8| 6| 6| 1| 1| 1| 5| 5| 1| 0| 7| 8| 6| 2| 2| 5| 6| 5| 6| 6| 8| 0| 4| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| ANIMAL ID | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0.015 | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + M + + + + + +| Atrophy | 3 2 3 | Hemorrhage | 3 2 3 | Hyperplasia | 2 3 2| __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | | Iliac, Hyperplasia, Plasma Cell | 2 | Mediastinal, Hemorrhage | 2 3 | Mediastinal, Hyperplasia, Plasma Cell| 2 | __________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 2 | Hyperplasia, Lymphoid | 3 | Hyperplasia, Plasma Cell | 3 3 3 3 3 3 3 | Sinus, Ectasia | | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 3 | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | 4 4 3 4 3 3 4 | Red Pulp, Atrophy | 3 3 | __________________________________________________________________________| Thymus | + M + + + M + M + + + + + + + + + M + + M + I M +| Cyst | X | Depletion Lymphoid | 3 | Hemorrhage | | Epithelial Cell, Hyperplasia | 2 | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + M M M + + M + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Acanthosis | 3 | Cyst Epithelial Inclusion | X X X | Inflammation, Chronic Active | 4 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + | Cranium, Fibrous Osteodystrophy | 3 | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Cerebellum, Hemorrhage | | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Congestion | 3 | _____________________________________________________________________________________________________________________| Page 40 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 _____________________________________________________________________________________________________________________ | 3| 3| 3| 3| 2| 4| 4| 3| 3| 3| 4| 3| 3| 3| 2| 4| 4| 4| 4| 2| 4| 4| 3| 3| 2| DAY ON TEST | 9| 4| 3| 3| 9| 2| 2| 9| 1| 1| 2| 9| 7| 3| 9| 2| 2| 0| 0| 9| 2| 0| 7| 7| 6| | 1| 1| 8| 6| 6| 1| 1| 1| 5| 5| 1| 0| 7| 8| 6| 2| 2| 5| 6| 5| 6| 6| 8| 0| 4| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS FEMALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| ANIMAL ID | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 0.015 | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM - cont | | | | Edema | 2 | Foreign Body | 1 | Hemorrhage | 1 | Infiltration Cellular, Histiocyte | 1 2 1 1 1 1 1 1 1 1 | Pigmentation | | Alveolar Epithelium, Hyperplasia, | | Focal | 2 2 1 2 | Alveolar Epithelium, Hyperplasia, | | Multifocal | 1 1 1 1 | Bronchiole, Inflammation, Suppurative| 2 | Interstitium, Inflammation | | Peribronchiolar, Alveolus, | | Inflammation, Suppurative | 2 | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Foreign Body | 3 | Hemorrhage | 2 | Inflammation, Suppurative | 4 3 | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Ear | + | Pinna, Ulcer | 4 | __________________________________________________________________________| Eye | + + | Cornea, Inflammation, Suppurative | 4 | __________________________________________________________________________| Harderian Gland | + | Pigmentation, Porphyrin | 4 | __________________________________________________________________________| Zymbal's Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | X | Hyperplasia, Focal, Squamous | | Hypertrophy | 1 3 | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | | Karyomegaly | 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1| Nephropathy | 3 4 3 2 4 3 3 3 2 3 4 4 3 3 2 4 4 3 4 3 4 3 4 4 2| Medulla, Inflammation, Suppurative | 3 | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Papillary | | _____________________________________________________________________________________________________________________| Page 41 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 __________________________________________________________________________________________________________________________________ | 3| 3| 3| 2| 2| 4| 3| 3| 2| 2| 4| 3| 3| 3| 3| 4| 4| 3| 3| 3| | | DAY ON TEST | 9| 8| 6| 8| 8| 2| 9| 3| 5| 4| 2| 8| 8| 4| 3| 0| 0| 9| 8| 7| | | | 1| 3| 4| 5| 5| 2| 1| 5| 1| 7| 2| 4| 3| 3| 5| 5| 5| 1| 4| 0| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | FISCHER 344 RATS FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | T | ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | A | 0.015 | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| | L | | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + + + + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Intestine Large | + + + + + + + + + + + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + | 60 | Edema | | 1 3.0| __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + | 60 | Parasite Metazoan | 2 2 | 6 2.2| __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + | 60 | Parasite Metazoan | 2 2 | 5 1.6| __________________________________________________________________________|____________| Intestine Small | + + + + + + + + + + + + + + + + + + + + | 59 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + | 59 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + | 59 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + | 59 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + | 60 | Angiectasis | 2 | 2 2.0| Basophilic Focus | 2 2 | 3 2.0| Congestion | | 1 2.0| Cyst | X | 2 | Degeneration, Cystic | 2 2 2 2 1 | 11 1.8| Eosinophilic Focus | 2 2 2 1 3 3 2 2 2 3 2 3 3 2 | 38 2.2| Fatty Change, Multifocal | 1 | 2 1.0| Hematocyst | | 1 | Hematopoietic Cell Proliferation | 1 2 1 | 8 1.1| Hemorrhage | | 1 3.0| Hepatodiaphragmatic Nodule | X | 3 | Hyperplasia, Re Cell | | 1 2.0| Inflammation, Granulomatous, | | | Multifocal | 1 1 1 1 | 10 1.1| Inflammation, Multifocal, Suppurative| | 1 1.0| Mixed Cell Focus | 2 2 2 2 2 3 2 2 3 | 32 2.4| Necrosis, Coagulative, Focal | 2 | 1 2.0| Necrosis, Focal | | 1 4.0| Bile Duct, Cyst | X | 1 | __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + | 60 | Acinus, Atrophy | 2 | 2 2.0| __________________________________________________________________________|____________| Pharynx | + | 7 | __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + | 60 | Inflammation, Chronic | | 1 3.0| __________________________________________________________________________|____________| Stomach | + + + + + + + + + + + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + | 60 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 42 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 __________________________________________________________________________________________________________________________________ | 3| 3| 3| 2| 2| 4| 3| 3| 2| 2| 4| 3| 3| 3| 3| 4| 4| 3| 3| 3| | | DAY ON TEST | 9| 8| 6| 8| 8| 2| 9| 3| 5| 4| 2| 8| 8| 4| 3| 0| 0| 9| 8| 7| | | | 1| 3| 4| 5| 5| 2| 1| 5| 1| 7| 2| 4| 3| 3| 5| 5| 5| 1| 4| 0| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | FISCHER 344 RATS FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | T | ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | A | 0.015 | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| | L | | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM - cont | | | | | | Inflammation, Chronic | | 1 1.0| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + | 60 | Degeneration, Cystic | 1 1 1 | 11 1.1| Erosion, Multifocal | | 1 2.0| __________________________________________________________________________|____________| Tongue | + + + + + + | 10 | Hyperkeratosis, Focal | | 1 2.0| __________________________________________________________________________|____________| Tooth | + | 1 | Peridontal Tissue, Inflammation, | | | Chronic Active | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + | 60 | Cardiomyopathy | 1 | 3 1.0| Mitral Valve, Inflammation, | | | Suppurative | | 1 2.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + | 60 | Angiectasis | 3 2 2 2 | 8 2.1| Hyperplasia, Focal | 2 | 1 2.0| Vacuolization Cytoplasmic, Focal | 1 | 5 1.6| Vacuolization Cytoplasmic, Multifocal| 1 | 1 1.0| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + | 58 | Hyperplasia | 3 | 3 2.7| __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + | 60 | Angiectasis | | 1 2.0| Cyst | X X X | 8 | Pars Distalis, Hyperplasia, Focal | 2 | 1 2.0| Pars Distalis, Hyperplasia | | 1 3.0| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + | 60 | Ultimobranchial Cyst | X X X | 5 | _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | __________________________________________________________________________|____________| Tissue NOS | + | 3 | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 43 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 __________________________________________________________________________________________________________________________________ | 3| 3| 3| 2| 2| 4| 3| 3| 2| 2| 4| 3| 3| 3| 3| 4| 4| 3| 3| 3| | | DAY ON TEST | 9| 8| 6| 8| 8| 2| 9| 3| 5| 4| 2| 8| 8| 4| 3| 0| 0| 9| 8| 7| | | | 1| 3| 4| 5| 5| 2| 1| 5| 1| 7| 2| 4| 3| 3| 5| 5| 5| 1| 4| 0| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | FISCHER 344 RATS FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | T | ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | A | 0.015 | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| | L | | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | | __________________________________________________________________________________________________________________________________ GENITAL SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Clitoral Gland | + + + + + + + + + + + + + + + + + + + + | 59 | Inflammation, Chronic Active | | 1 2.0| Inflammation, Suppurative | | 1 3.0| Duct, Ectasia | 3 3 | 5 2.8| __________________________________________________________________________|____________| Ovary | + + + + + + + + + + + + + + + + + + + + | 60 | Periovarian Tissue, Cyst | X | 2 | __________________________________________________________________________|____________| Uterus | + + + + + + + + + + + + + + + + + + + + | 60 | Thrombosis | | 1 4.0| Endometrium, Hyperplasia, Papillary | | 1 3.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + | 59 | Atrophy | 2 | 4 2.5| Hemorrhage | 2 | 4 2.5| Hyperplasia | 2 2 | 7 2.1| __________________________________________________________________________|____________| Lymph Node | + + + + + + + + + + + + + + + + + + + + | 60 | Hemorrhage | | 1 2.0| Iliac, Hyperplasia, Plasma Cell | | 1 2.0| Mediastinal, Hemorrhage | 3 | 3 2.7| Mediastinal, Hyperplasia, Plasma Cell| | 2 2.5| __________________________________________________________________________|____________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + | 60 | Hemorrhage | | 2 2.0| Hyperplasia, Lymphoid | 3 | 2 3.0| Hyperplasia, Plasma Cell | 3 3 2 3 3 | 18 2.9| Sinus, Ectasia | | 1 2.0| __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + | 60 | Atrophy | | 1 3.0| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + | 60 | Hematopoietic Cell Proliferation | 3 3 4 2 4 | 14 3.4| Red Pulp, Atrophy | | 2 3.0| __________________________________________________________________________|____________| Thymus | + + + + + M + + + + + + M + + + M M M + | 45 | Cyst | | 1 | Depletion Lymphoid | | 1 3.0| Hemorrhage | | 1 3.0| Epithelial Cell, Hyperplasia | 1 | 3 1.7| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + | 54 | __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + | 59 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 44 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 __________________________________________________________________________________________________________________________________ | 3| 3| 3| 2| 2| 4| 3| 3| 2| 2| 4| 3| 3| 3| 3| 4| 4| 3| 3| 3| | | DAY ON TEST | 9| 8| 6| 8| 8| 2| 9| 3| 5| 4| 2| 8| 8| 4| 3| 0| 0| 9| 8| 7| | | | 1| 3| 4| 5| 5| 2| 1| 5| 1| 7| 2| 4| 3| 3| 5| 5| 5| 1| 4| 0| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | FISCHER 344 RATS FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | T | ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | A | 0.015 | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| | L | | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | | __________________________________________________________________________________________________________________________________ INTEGUMENTARY SYSTEM - cont | | | | | | Acanthosis | | 1 3.0| Cyst Epithelial Inclusion | | 3 | Inflammation, Chronic Active | | 1 4.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | | 1 | Cranium, Fibrous Osteodystrophy | | 1 3.0| _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + | 60 | Cerebellum, Hemorrhage | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + | 60 | Congestion | | 2 3.5| Edema | | 1 2.0| Foreign Body | | 1 1.0| Hemorrhage | | 2 2.0| Infiltration Cellular, Histiocyte | 1 1 1 1 1 1 1 1 1 1 1 1 | 29 1.0| Pigmentation | | 1 1.0| Alveolar Epithelium, Hyperplasia, | | | Focal | 1 2 | 7 1.6| Alveolar Epithelium, Hyperplasia, | | | Multifocal | 2 | 6 1.3| Bronchiole, Inflammation, Suppurative| | 1 2.0| Interstitium, Inflammation | | 2 1.0| Peribronchiolar, Alveolus, | | | Inflammation, Suppurative | | 1 2.0| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + | 60 | Foreign Body | | 1 3.0| Hemorrhage | 1 2 | 4 1.8| Inflammation, Suppurative | 2 | 5 2.8| __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + | 60 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Ear | | 1 | Pinna, Ulcer | | 1 4.0| __________________________________________________________________________|____________| Eye | + + | 4 | Cornea, Inflammation, Suppurative | 2 4 | 3 3.3| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 45 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 __________________________________________________________________________________________________________________________________ | 3| 3| 3| 2| 2| 4| 3| 3| 2| 2| 4| 3| 3| 3| 3| 4| 4| 3| 3| 3| | | DAY ON TEST | 9| 8| 6| 8| 8| 2| 9| 3| 5| 4| 2| 8| 8| 4| 3| 0| 0| 9| 8| 7| | | | 1| 3| 4| 5| 5| 2| 1| 5| 1| 7| 2| 4| 3| 3| 5| 5| 5| 1| 4| 0| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | FISCHER 344 RATS FEMALE | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | T | ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | A | 0.015 | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| | L | | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | | __________________________________________________________________________________________________________________________________ SPECIAL SENSES SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Harderian Gland | | 1 | Pigmentation, Porphyrin | | 1 4.0| __________________________________________________________________________|____________| Zymbal's Gland | + + + + + + + + + + + + + + + + + + + + | 60 | Cyst | | 1 | Hyperplasia, Focal, Squamous | 2 | 2 2.5| Hypertrophy | | 3 1.7| _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + | 60 | Hemorrhage | | 1 2.0| Karyomegaly | 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 | 56 1.0| Nephropathy | 4 4 3 2 2 4 3 3 2 2 3 2 4 2 4 2 3 2 4 3 | 59 2.9| Medulla, Inflammation, Suppurative | | 1 3.0| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + | 60 | Hyperplasia, Papillary | 4 | 1 4.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 46 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 _____________________________________________________________________________________________________________________ | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| DAY ON TEST | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 1| 1| | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 6| 9| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| CONTROL | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + +| Parasite Metazoan | 2 | __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + +| Parasite Metazoan | 2 1 | __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + +| Parasite Metazoan | | __________________________________________________________________________| Intestine Small | + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + +| Basophilic Focus | | Fatty Change, Focal | | Hemorrhage, Focal | | Hepatodiaphragmatic Nodule | X | Infarct | 4 | Inflammation, Acute, Focal | 1 1| Inflammation, Acute, Multifocal | 1 | Inflammation, Granulomatous, | | Multifocal | | Necrosis, Coagulative, Multifocal | 1 | Necrosis, Focal | 4 | Bile Duct, Hyperplasia | 2 1 2 2 2 1 2 1 2 2| Caudate Lobe, Infarct | | Serosa, Cyst | X | Serosa, Fibrosis, Focal | 3 | Serosa, Pigmentation, Focal, | | Hemosiderin | 3 | __________________________________________________________________________| Mesentery | + + | Hemorrhage | 4 | Fat, Necrosis, Focal | 4 4 | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + +| Inflammation, Chronic | | Acinus, Atrophy | 2 2 | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + +| Degeneration, Cystic | 1 1 1 1 1| _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 47 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 _____________________________________________________________________________________________________________________ | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| DAY ON TEST | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 1| 1| | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 6| 9| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| CONTROL | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM - cont | | | | Cardiomyopathy | 2 2 1 | Myocardium, Necrosis, Focal | 1 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + +| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + +| __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + +| __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + +| __________________________________________________________________________| Parathyroid Gland | + + + + + + + + M + M + + + M| __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + +| Cyst | | Pars Distalis, Hyperplasia, Focal | | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + +| Ultimobranchial Cyst | | C-Cell, Hyperplasia | | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + +| __________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 2 2 | Duct, Ectasia | 4 | __________________________________________________________________________| Prostate | + + + + + + + + + + + + + + +| Hyperplasia, Focal | | Inflammation, Chronic Active | 2 1 2 3 2 2 2 2 2 | __________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + + + +| __________________________________________________________________________| Testes | + + + + + + + + + + + + + + +| Hypospermia | 2 2 | Mineralization | | Interstitial Cell, Hyperplasia | 2 2 2 2 2 2 2 2| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + +| __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + +| Bronchial, Hemorrhage | | Mediastinal, Hemorrhage | 3 | Mediastinal, Hyperplasia, Lymphoid | | Mediastinal, Pigmentation, | | Hemosiderin | 2 | Pancreatic, Hemorrhage | | __________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + +| Hyperplasia, Plasma Cell | | _____________________________________________________________________________________________________________________| Page 48 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 _____________________________________________________________________________________________________________________ | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| DAY ON TEST | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 1| 1| | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 6| 9| 9| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| CONTROL | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | | | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + +| Hemorrhage | | Hyperplasia, Re Cell | | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + +| Fibrosis | | Capsule, Fibrosis, Focal | 2 | __________________________________________________________________________| Thymus | M M + + + + M + + M + + M + +| Hyperplasia, Lymphoid | 2 | Epithelial Cell, Hyperplasia | 2 2 2| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + M + + M + + M + M M + M + +| __________________________________________________________________________| Skin | + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + +| Infiltration Cellular, Histiocyte | 1 1 | Inflammation, Focal, Granulomatous | 1 | Alveolar Epithelium, Hyperplasia, | | Focal | 2 2 | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + +| Foreign Body | 1 1 | Hemorrhage | 2 2 2 | Inflammation, Suppurative | 1 1 | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | + | Cataract | 3 | Retina, Degeneration | 3 | __________________________________________________________________________| Zymbal's Gland | + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + +| Hydronephrosis | | Nephropathy | 2 1 2 2 2 2 1 2 1 2 2 2 2 1 1| __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + +| Infiltration Cellular, Lymphocyte | 1 | Lumen, Hemorrhage | 2 | _____________________________________________________________________________________________________________________| Page 49 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 _____________________________________________________________________________________________________________________ | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| DAY ON TEST | 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | 9| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| CONTROL | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| Parasite Metazoan | | __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| Parasite Metazoan | 2 1 2 | __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| Parasite Metazoan | 2 2 | __________________________________________________________________________| Intestine Small | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | | Fatty Change, Focal | 1 | Hemorrhage, Focal | 2 | Hepatodiaphragmatic Nodule | X | Infarct | | Inflammation, Acute, Focal | | Inflammation, Acute, Multifocal | | Inflammation, Granulomatous, | | Multifocal | 1 | Necrosis, Coagulative, Multifocal | | Necrosis, Focal | | Bile Duct, Hyperplasia | 2 2 2 2 2 2 2 2 2 2 1 2 1 2 2 2 1 1 2 2| Caudate Lobe, Infarct | | Serosa, Cyst | | Serosa, Fibrosis, Focal | | Serosa, Pigmentation, Focal, | | Hemosiderin | | __________________________________________________________________________| Mesentery | | Hemorrhage | | Fat, Necrosis, Focal | | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | | Acinus, Atrophy | 2 1 2 2 | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Degeneration, Cystic | 1 1 1 1 1 1 1 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 50 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 _____________________________________________________________________________________________________________________ | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| DAY ON TEST | 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | 9| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| CONTROL | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM - cont | | | | Cardiomyopathy | 2 2 2 2 2 2 1 2 2 2 | Myocardium, Necrosis, Focal | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + M + + + +| __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | X | Pars Distalis, Hyperplasia, Focal | | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Ultimobranchial Cyst | X X X | C-Cell, Hyperplasia | 2 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 2 2 1 2 | Duct, Ectasia | | __________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Focal | | Inflammation, Chronic Active | 2 2 2 2 2 2 2 2 1 3 2 2 | __________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| Hypospermia | 4 4 3 3 | Mineralization | 2 2 | Interstitial Cell, Hyperplasia | 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| Bronchial, Hemorrhage | 3 | Mediastinal, Hemorrhage | 2 2 2 | Mediastinal, Hyperplasia, Lymphoid | 2 2 | Mediastinal, Pigmentation, | | Hemosiderin | 2 | Pancreatic, Hemorrhage | | __________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Plasma Cell | 3 3 | _____________________________________________________________________________________________________________________| Page 51 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 _____________________________________________________________________________________________________________________ | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| DAY ON TEST | 1| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | 9| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| CONTROL | 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | | | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 3 | Hyperplasia, Re Cell | 2 | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrosis | | Capsule, Fibrosis, Focal | | __________________________________________________________________________| Thymus | + + + + + + + + + + + + + + + M M + M + + + + + +| Hyperplasia, Lymphoid | | Epithelial Cell, Hyperplasia | 2 2 2 | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | M M + + M M M + + + + + M + + + + M M + + + + + +| __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Infiltration Cellular, Histiocyte | | Inflammation, Focal, Granulomatous | | Alveolar Epithelium, Hyperplasia, | | Focal | 2 | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Foreign Body | | Hemorrhage | 2 2 | Inflammation, Suppurative | | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Eye | | Cataract | | Retina, Degeneration | | __________________________________________________________________________| Zymbal's Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Hydronephrosis | 2 | Nephropathy | 2 1 2 1 2 2 1 2 1 2 2 1 2 2 1 2 1 2 1 2 2 2 2 1 2| __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Infiltration Cellular, Lymphocyte | | Lumen, Hemorrhage | | _____________________________________________________________________________________________________________________| Page 52 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 __________________________________________________________________________________________________________________________________ | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| | | DAY ON TEST | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | | | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | A | CONTROL | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| | L | | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + + + + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Intestine Large | + + + + + + + + + + + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + | 60 | Parasite Metazoan | 2 | 2 2.0| __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + | 60 | Parasite Metazoan | 1 2 2 | 8 1.6| __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + | 60 | Parasite Metazoan | 3 2 2 2 2 2 | 8 2.1| __________________________________________________________________________|____________| Intestine Small | + + + + + + + + + + + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + | 60 | Basophilic Focus | 2 | 1 2.0| Fatty Change, Focal | | 1 1.0| Hemorrhage, Focal | | 1 2.0| Hepatodiaphragmatic Nodule | X | 3 | Infarct | | 1 4.0| Inflammation, Acute, Focal | 1 | 3 1.0| Inflammation, Acute, Multifocal | | 1 1.0| Inflammation, Granulomatous, | | | Multifocal | | 1 1.0| Necrosis, Coagulative, Multifocal | | 1 1.0| Necrosis, Focal | 4 | 2 4.0| Bile Duct, Hyperplasia | 2 2 2 1 2 2 2 1 1 | 39 1.7| Caudate Lobe, Infarct | 4 | 1 4.0| Serosa, Cyst | | 1 | Serosa, Fibrosis, Focal | | 1 3.0| Serosa, Pigmentation, Focal, | | | Hemosiderin | | 1 3.0| __________________________________________________________________________|____________| Mesentery | | 2 | Hemorrhage | | 1 4.0| Fat, Necrosis, Focal | | 2 4.0| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + | 60 | Inflammation, Chronic | 2 | 1 2.0| Acinus, Atrophy | 2 2 2 | 9 1.9| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Stomach | + + + + + + + + + + + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + | 60 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 53 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 __________________________________________________________________________________________________________________________________ | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| | | DAY ON TEST | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | | | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | A | CONTROL | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| | L | | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + | 60 | Degeneration, Cystic | 1 1 1 1 1 1 1 1 1 1 | 22 1.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + | 60 | Cardiomyopathy | 1 1 1 2 | 17 1.7| Myocardium, Necrosis, Focal | | 1 1.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + + + + M + + + + + + + + | 55 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + | 60 | Cyst | X | 2 | Pars Distalis, Hyperplasia, Focal | 2 2 | 2 2.0| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + | 60 | Ultimobranchial Cyst | | 3 | C-Cell, Hyperplasia | | 1 2.0| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Epididymis | + + + + + + + + + + + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + | 60 | Inflammation, Chronic Active | 2 | 7 1.9| Duct, Ectasia | 3 | 2 3.5| __________________________________________________________________________|____________| Prostate | + + + + + + + + + + + + + + + + + + + + | 60 | Hyperplasia, Focal | 2 | 1 2.0| Inflammation, Chronic Active | 2 3 2 2 2 2 2 2 2 2 2 1 2 2 | 35 2.0| __________________________________________________________________________|____________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Testes | + + + + + + + + + + + + + + + + + + + + | 60 | Hypospermia | 1 2 1 | 9 2.4| Mineralization | 1 | 3 1.7| Interstitial Cell, Hyperplasia | 2 2 2 1 2 2 2 2 2 2 1 2 2 2 2 2 2 | 44 2.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 54 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 __________________________________________________________________________________________________________________________________ | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| | | DAY ON TEST | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | | | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | A | CONTROL | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| | L | | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | | __________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Lymph Node | + + + + + + + + + + + + + + + + + + + + | 60 | Bronchial, Hemorrhage | | 1 3.0| Mediastinal, Hemorrhage | 2 | 5 2.2| Mediastinal, Hyperplasia, Lymphoid | | 2 2.0| Mediastinal, Pigmentation, | | | Hemosiderin | | 2 2.0| Pancreatic, Hemorrhage | 2 | 1 2.0| __________________________________________________________________________|____________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + | 60 | Hyperplasia, Plasma Cell | | 2 3.0| __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + | 60 | Hemorrhage | | 1 3.0| Hyperplasia, Re Cell | | 1 2.0| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + | 60 | Fibrosis | 2 | 1 2.0| Capsule, Fibrosis, Focal | | 1 2.0| __________________________________________________________________________|____________| Thymus | + M + M + + + + M + + + I I + + + + + + | 47 | Hyperplasia, Lymphoid | | 1 2.0| Epithelial Cell, Hyperplasia | 2 2 2 | 9 2.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | M + + + M + + + + + + + + M + M + + M + | 41 | __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + | 60 | _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + | 60 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + | 60 | Infiltration Cellular, Histiocyte | 1 1 1 1 1 1 1 | 9 1.0| Inflammation, Focal, Granulomatous | | 1 1.0| Alveolar Epithelium, Hyperplasia, | | | Focal | 2 3 | 5 2.2| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + | 60 | Foreign Body | | 2 1.0| Hemorrhage | | 5 2.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 55 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 __________________________________________________________________________________________________________________________________ | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| | | DAY ON TEST | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | | | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| | A | CONTROL | 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| | L | | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | | __________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM - cont | | | | | | Inflammation, Suppurative | | 2 1.0| __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + | 60 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Eye | | 1 | Cataract | | 1 3.0| Retina, Degeneration | | 1 3.0| __________________________________________________________________________|____________| Zymbal's Gland | + + + + + + + + + + + + M + + + + + + + | 59 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + | 60 | Hydronephrosis | | 1 2.0| Nephropathy | 2 2 2 1 2 2 2 2 2 2 1 2 1 2 1 2 2 2 1 1 | 60 1.7| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + | 60 | Infiltration Cellular, Lymphocyte | | 1 1.0| Lumen, Hemorrhage | | 1 2.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 56 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 _____________________________________________________________________________________________________________________ | 4| 4| 4| 4| 3| 4| 4| 4| 4| 3| 4| 4| 4| 4| 2| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| DAY ON TEST | 1| 1| 1| 1| 5| 1| 1| 1| 1| 9| 1| 1| 2| 2| 5| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | 9| 9| 9| 9| 9| 9| 9| 9| 9| 1| 9| 9| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 0.003 | 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| Parasite Metazoan | 1 | __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| Parasite Metazoan | 2 1 1 | __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + M + + + + + + + + + + + + + +| Parasite Metazoan | 2 1 1 2 | __________________________________________________________________________| Intestine Small | + + + + + + + + + + + + + + A + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + A + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + A + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + A + + + + + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | 2 2 1 1 2 2 2 1 1 2 1 1 2 1 1 1 2 1 2| Degeneration, Cystic | 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1| Fatty Change, Focal | | Fatty Change, Multifocal | 1 | Hematopoietic Cell Proliferation | | Hepatodiaphragmatic Nodule | | Inflammation, Granulomatous, | | Multifocal | 1 1 1 1| Mixed Cell Focus | 2 2 2 2 2 1 2 2 2 1 2 2 2 1 2 2 1 1 1 2 1 | Necrosis, Focal | 4 4 | Bile Duct, Hyperplasia | 2 1 | Centrilobular, Necrosis, Coagulative | 1 | __________________________________________________________________________| Mesentery | + + + + | Artery, Inflammation, Chronic | 4 | Fat, Necrosis, Focal | 2 4 4 | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + A + + + + + + + + + +| Acinus, Atrophy | 2 2 | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Ulcer, Multifocal | 2 | __________________________________________________________________________| Tooth | | Dysplasia | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 1 2 1 2 1 2 1 2 1 2 1 2 1 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 57 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 _____________________________________________________________________________________________________________________ | 4| 4| 4| 4| 3| 4| 4| 4| 4| 3| 4| 4| 4| 4| 2| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| DAY ON TEST | 1| 1| 1| 1| 5| 1| 1| 1| 1| 9| 1| 1| 2| 2| 5| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | 9| 9| 9| 9| 9| 9| 9| 9| 9| 1| 9| 9| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 0.003 | 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM - cont | | | | __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + A + + + + + + + + + +| __________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | X | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + A + + + + + + + + + +| _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | 2 | Duct, Ectasia | | __________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Focal | | Inflammation, Chronic Active | 2 3 2 3 2 2 2 3 2 2 2 3 1 2 2| Inflammation, Suppurative | 2 | Vacuolization Cytoplasmic, Focal | 2 | __________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + + + M + + + + + + + + + +| Atrophy | | __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| Hypospermia | 2 | Interstitial Cell, Hyperplasia | 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| Mediastinal, Hemorrhage | 2 2 3 2 3 | Mediastinal, Hyperplasia, Lymphoid | 3 | Mediastinal, Hyperplasia, Plasma Cell| 3 | __________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Plasma Cell | 2 3 3 3| Sinus, Ectasia | 2 2 | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Depletion Lymphoid | 2 | Hematopoietic Cell Proliferation | | __________________________________________________________________________| Thymus | + + + + + + + + + M + + + M + + + M + + + + + + M| Epithelial Cell, Hyperplasia | 1 2 2 1 2 | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | _____________________________________________________________________________________________________________________| Page 58 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 _____________________________________________________________________________________________________________________ | 4| 4| 4| 4| 3| 4| 4| 4| 4| 3| 4| 4| 4| 4| 2| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| DAY ON TEST | 1| 1| 1| 1| 5| 1| 1| 1| 1| 9| 1| 1| 2| 2| 5| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| | 9| 9| 9| 9| 9| 9| 9| 9| 9| 1| 9| 9| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 0.003 | 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM - cont | | | | __________________________________________________________________________| Mammary Gland | M M M M + M + + + + + + + + M + + + + + + + + + +| __________________________________________________________________________| Skin | + + + M + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Infiltration Cellular, Histiocyte | 1 1 1 | Alveolar Epithelium, Hyperplasia, | | Focal | 1 2 1 2 2 1 | Alveolar Epithelium, Hyperplasia, | | Multifocal | 2 | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Foreign Body | 2 | Fungus | | Hemorrhage | 2 2 2 | Inflammation, Acute | 1 | Inflammation, Suppurative | 2 1 | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Zymbal's Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | X | Hydronephrosis | 2 | Nephropathy | 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2| __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Infiltration Cellular, Lymphocyte | 1 | _____________________________________________________________________________________________________________________| Page 59 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 __________________________________________________________________________________________________________________________________ | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| | | DAY ON TEST | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 0| 2| 2| 2| 2| 2| | | | 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 5| 6| 1| 1| 1| 1| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | A | 0.003 | 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| | L | | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + + + + + + + + + + + + + | 45 | __________________________________________________________________________|____________| Intestine Large | + + + + + + + + + + + + + + + + + + + + | 45 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + | 45 | Parasite Metazoan | 2 | 2 1.5| __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + | 45 | Parasite Metazoan | 2 1 2 | 6 1.5| __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + | 44 | Parasite Metazoan | 1 1 2 2 | 8 1.5| __________________________________________________________________________|____________| Intestine Small | + + + + + + + + + + + + + + + + + + + + | 44 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + | 44 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + | 44 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + | 44 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + | 45 | Basophilic Focus | 2 1 1 1 1 1 2 1 2 2 2 1 | 31 1.5| Degeneration, Cystic | 1 1 1 2 1 1 1 1 1 | 24 1.1| Fatty Change, Focal | 1 | 1 1.0| Fatty Change, Multifocal | | 1 1.0| Hematopoietic Cell Proliferation | 2 1 | 2 1.5| Hepatodiaphragmatic Nodule | X | 1 | Inflammation, Granulomatous, | | | Multifocal | 1 | 5 1.0| Mixed Cell Focus | 2 1 1 2 1 1 2 2 1 2 2 2 2 2 1 2 | 37 1.6| Necrosis, Focal | 4 4 | 4 4.0| Bile Duct, Hyperplasia | 1 | 3 1.3| Centrilobular, Necrosis, Coagulative | | 1 1.0| __________________________________________________________________________|____________| Mesentery | + + | 6 | Artery, Inflammation, Chronic | | 1 4.0| Fat, Necrosis, Focal | 3 4 | 5 3.4| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + | 44 | Acinus, Atrophy | 1 2 | 4 1.8| __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + | 45 | __________________________________________________________________________|____________| Stomach | + + + + + + + + + + + + + + + + + + + + | 45 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + | 45 | __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + | 45 | Ulcer, Multifocal | | 1 2.0| __________________________________________________________________________|____________| Tooth | + | 1 | Dysplasia | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 60 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 __________________________________________________________________________________________________________________________________ | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| | | DAY ON TEST | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 0| 2| 2| 2| 2| 2| | | | 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 5| 6| 1| 1| 1| 1| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | A | 0.003 | 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| | L | | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | | __________________________________________________________________________________________________________________________________ CARDIOVASCULAR SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + | 45 | Cardiomyopathy | 1 2 1 1 1 2 | 19 1.4| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + | 45 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + | 44 | __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + | 45 | __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + | 44 | __________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + | 45 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + | 45 | Cyst | X | 2 | __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + | 44 | _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Epididymis | + + + + + + + + + + + + + + + + + + + + | 45 | __________________________________________________________________________|____________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + | 45 | Inflammation, Chronic Active | 2 | 2 2.0| Duct, Ectasia | 3 2 | 2 2.5| __________________________________________________________________________|____________| Prostate | + + + + + + + + + + + + + + + + + + + + | 45 | Hyperplasia, Focal | 2 2 | 2 2.0| Inflammation, Chronic Active | 2 2 2 3 2 3 2 2 2 2 2 2 2 | 28 2.2| Inflammation, Suppurative | | 1 2.0| Vacuolization Cytoplasmic, Focal | | 1 2.0| __________________________________________________________________________|____________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + | 44 | Atrophy | 2 | 1 2.0| __________________________________________________________________________|____________| Testes | + + + + + + + + + + + + + + + + + + + + | 45 | Hypospermia | 3 1 | 3 2.0| Interstitial Cell, Hyperplasia | 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 | 35 2.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + M + + + + + | 44 | __________________________________________________________________________|____________| Lymph Node | + + + + + + + + + + + + + + + + + + + + | 45 | Mediastinal, Hemorrhage | 2 | 6 2.3| Mediastinal, Hyperplasia, Lymphoid | | 1 3.0| Mediastinal, Hyperplasia, Plasma Cell| | 1 3.0| __________________________________________________________________________|____________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + | 45 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 61 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 __________________________________________________________________________________________________________________________________ | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| | | DAY ON TEST | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 0| 2| 2| 2| 2| 2| | | | 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 5| 6| 1| 1| 1| 1| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | A | 0.003 | 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| | L | | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | | __________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont | | | | | | Hyperplasia, Plasma Cell | 2 | 5 2.6| Sinus, Ectasia | | 2 2.0| __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + | 44 | __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + | 45 | Depletion Lymphoid | | 1 2.0| Hematopoietic Cell Proliferation | 3 | 1 3.0| __________________________________________________________________________|____________| Thymus | + + + + + + + + M + + + + + + + + + + + | 40 | Epithelial Cell, Hyperplasia | 2 2 2 2 | 9 1.8| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + + + + M + + + + + + | 38 | __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + | 44 | Inflammation, Chronic Active | 4 | 1 4.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + | 45 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + | 45 | Infiltration Cellular, Histiocyte | | 3 1.0| Alveolar Epithelium, Hyperplasia, | | | Focal | 2 3 3 2 1 | 11 1.8| Alveolar Epithelium, Hyperplasia, | | | Multifocal | 1 1 | 3 1.3| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + | 45 | Foreign Body | 2 | 2 2.0| Fungus | 3 | 1 3.0| Hemorrhage | 2 2 | 5 2.0| Inflammation, Acute | | 1 1.0| Inflammation, Suppurative | 2 2 | 4 1.8| __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + | 45 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Zymbal's Gland | + + + + + + + + + + + + + + + + + + + + | 45 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 62 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 __________________________________________________________________________________________________________________________________ | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| | | DAY ON TEST | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 0| 2| 2| 2| 2| 2| | | | 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 5| 6| 1| 1| 1| 1| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| | A | 0.003 | 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 7| 7| 7| 7| 7| | L | | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | | __________________________________________________________________________________________________________________________________ URINARY SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + | 45 | Cyst | | 1 | Hydronephrosis | | 1 2.0| Nephropathy | 2 2 2 2 2 2 2 1 2 2 2 2 2 1 1 2 1 2 2 2 | 43 1.9| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + | 45 | Infiltration Cellular, Lymphocyte | | 1 1.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 63 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 _____________________________________________________________________________________________________________________ | 4| 4| 4| 4| 3| 4| 4| 4| 4| 2| 4| 4| 4| 4| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 2| DAY ON TEST | 1| 1| 1| 1| 4| 1| 1| 1| 0| 8| 2| 2| 1| 1| 9| 1| 1| 1| 1| 2| 1| 1| 2| 2| 8| | 9| 9| 9| 9| 3| 9| 9| 9| 4| 5| 6| 6| 9| 9| 3| 9| 9| 9| 9| 5| 9| 9| 0| 0| 5| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 0.007 | 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 2 | Parasite Metazoan | 1 | __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| Parasite Metazoan | 2 1 2 | __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| Parasite Metazoan | 2 | __________________________________________________________________________| Intestine Small | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | 2 4 4 4 2 2 2 2 2 3 2 2 2 2 2 2| Congestion | | Degeneration, Cystic | 2 2 2 2 2 2 2 3 3 2 3 2 3 2 3 2 2 3 3 2 2 2 3 | Eosinophilic Focus | 3 2 2 2 3 2 2 3 2 2 3 3 3 2 2 3 2 2| Fatty Change, Diffuse | | Hematopoietic Cell Proliferation | 1 1 1 1 1 2 1| Hepatodiaphragmatic Nodule | X X | Infarct | 4 4| Inflammation, Granulomatous, | | Multifocal | | Mixed Cell Focus | 3 3 3 2 3 2 2 2 2 2 3 3 3 2 2 3 2 3 1| Necrosis, Focal | 4 4 4 | Necrosis, Multifocal | | Bile Duct, Hyperplasia | | Biliary Tract, Inflammation, Subacute| | Caudate Lobe, Infarct | | Centrilobular, Necrosis, Coagulative | | __________________________________________________________________________| Mesentery | + + | Fat, Necrosis, Focal | 3 4 | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | | Acinus, Atrophy | 2 1 | __________________________________________________________________________| Pharynx | + | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic Active | | Acinus, Atrophy | 2 | __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Erosion, Focal | | Hyperplasia | 3 | _____________________________________________________________________________________________________________________| Page 64 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 _____________________________________________________________________________________________________________________ | 4| 4| 4| 4| 3| 4| 4| 4| 4| 2| 4| 4| 4| 4| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 2| DAY ON TEST | 1| 1| 1| 1| 4| 1| 1| 1| 0| 8| 2| 2| 1| 1| 9| 1| 1| 1| 1| 2| 1| 1| 2| 2| 8| | 9| 9| 9| 9| 3| 9| 9| 9| 4| 5| 6| 6| 9| 9| 3| 9| 9| 9| 9| 5| 9| 9| 0| 0| 5| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 0.007 | 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM - cont | | | | Ulcer | 4 | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Degeneration, Cystic | 1 1 | Ectopic Tissue | X | __________________________________________________________________________| Tongue | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 2 1 2 1 1 1 2 2| Atrium, Dilatation | | Atrium, Thrombosis | 4 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | | Hyperplasia, Focal | 2 | Vacuolization Cytoplasmic, Focal | 1 2 1 | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Focal | 2 | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Parathyroid Gland | + M + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | | Cyst | | Pars Distalis, Hyperplasia, Focal | 2 2 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Ultimobranchial Cyst | | C-Cell, Hyperplasia | 2 | Follicle, Cyst | X | Follicular Cell, Hyperplasia, Focal | | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | __________________________________________________________________________| Tissue NOS | | Inflammation, Chronic | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | 2| Arteriole, Inflammation, Chronic | | __________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | | Hyperplasia, Focal | 2 | Inflammation, Chronic Active | 3 2 1 2 | _____________________________________________________________________________________________________________________| Page 65 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 _____________________________________________________________________________________________________________________ | 4| 4| 4| 4| 3| 4| 4| 4| 4| 2| 4| 4| 4| 4| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 2| DAY ON TEST | 1| 1| 1| 1| 4| 1| 1| 1| 0| 8| 2| 2| 1| 1| 9| 1| 1| 1| 1| 2| 1| 1| 2| 2| 8| | 9| 9| 9| 9| 3| 9| 9| 9| 4| 5| 6| 6| 9| 9| 3| 9| 9| 9| 9| 5| 9| 9| 0| 0| 5| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 0.007 | 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| GENITAL SYSTEM - cont | | | | Duct, Ectasia | 2 2 3 | __________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Multifocal | 1 | Inflammation, Acute | 1 | Inflammation, Chronic Active | 3 3 2 2 2 2 2 2 2 2 2 1| Inflammation, Subacute | 1 | __________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 3 2 2 | __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | | Hypospermia | 3 2 | Interstitial Cell, Hyperplasia | 2 2 2 2 2 2 2 2 2 2 2 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 3| __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| Deep Cervical, Hyperplasia, Plasma | | Cell | | Mediastinal, Hemorrhage | 2 3 2 2 | Mediastinal, Hyperplasia, Plasma Cell| | Mediastinal, Hyperplasia, Re Cell | | Mediastinal, Sinus, Infiltration | | Cellular, Histiocyte | 2 | __________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 2 | Hyperplasia, Plasma Cell | 2 3 2 3 | Sinus, Ectasia | 3 | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | | Sinus, Ectasia | | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Congestion | 3 | Fibrosis | | Hematopoietic Cell Proliferation | 3 3 4 2 4 3| Thrombosis | | __________________________________________________________________________| Thymus | M M + + + + + + + + M M M + + + + + + + + M + M +| Hemorrhage | | Epithelial Cell, Hyperplasia | 2 2 | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | M + M M + M + + + + + + + + + + M M + + + + M M +| __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Acanthosis | | _____________________________________________________________________________________________________________________| Page 66 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 _____________________________________________________________________________________________________________________ | 4| 4| 4| 4| 3| 4| 4| 4| 4| 2| 4| 4| 4| 4| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 2| DAY ON TEST | 1| 1| 1| 1| 4| 1| 1| 1| 0| 8| 2| 2| 1| 1| 9| 1| 1| 1| 1| 2| 1| 1| 2| 2| 8| | 9| 9| 9| 9| 3| 9| 9| 9| 4| 5| 6| 6| 9| 9| 3| 9| 9| 9| 9| 5| 9| 9| 0| 0| 5| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 0.007 | 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM - cont | | | | Cyst Epithelial Inclusion | | Inflammation, Chronic Active | | Hair Follicle, Hyperplasia, Basal | | Cell, Focal | 1 1 | Hair Follicle, Hyperplasia, Basal | | Cell, Multifocal | | Sebaceous Gland, Hyperplasia, Focal | 1 1 3 2 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Cerebrum, Hemorrhage, Multifocal | | Cerebrum, Necrosis, Focal | | Thalamus, Cyst | | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Congestion | | Embolus | 2 | Foreign Body | | Infiltration Cellular, Histiocyte | 1 1 1 1 | Alveolar Epithelium, Hyperplasia, | | Focal | 1 3 2 1 2 2 2 | Alveolar Epithelium, Hyperplasia, | | Multifocal | 2 2 2 | Interstitium, Inflammation | 1 | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Foreign Body | | Fungus | 3 | Hemorrhage | 2 | Inflammation, Suppurative | 2 | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | | _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Zymbal's Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | | Ectasia | | Hyperplasia, Focal, Glandular | | Inflammation, Acute | | Inflammation, Granulomatous | | Bilateral, Hyperplasia, Focal, | | _____________________________________________________________________________________________________________________| Page 67 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 _____________________________________________________________________________________________________________________ | 4| 4| 4| 4| 3| 4| 4| 4| 4| 2| 4| 4| 4| 4| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 2| DAY ON TEST | 1| 1| 1| 1| 4| 1| 1| 1| 0| 8| 2| 2| 1| 1| 9| 1| 1| 1| 1| 2| 1| 1| 2| 2| 8| | 9| 9| 9| 9| 3| 9| 9| 9| 4| 5| 6| 6| 9| 9| 3| 9| 9| 9| 9| 5| 9| 9| 0| 0| 5| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 0.007 | 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM - cont | | | | Glandular | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | | Degeneration, Hyaline | | Hydronephrosis | | Nephropathy | 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 3 2 2 2 3 2 2 1| __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 68 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 _____________________________________________________________________________________________________________________ | 4| 4| 4| 4| 3| 4| 4| 3| 3| 2| 4| 4| 4| 4| 4| 4| 4| 4| 4| 3| 4| 4| 4| 4| 3| DAY ON TEST | 2| 2| 2| 2| 7| 2| 2| 9| 7| 8| 2| 2| 2| 2| 0| 2| 2| 0| 2| 4| 2| 2| 2| 2| 5| | 0| 0| 0| 0| 2| 0| 0| 1| 9| 5| 0| 0| 0| 0| 6| 0| 0| 6| 0| 1| 0| 0| 0| 0| 5| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 0.007 | 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | | Parasite Metazoan | | __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| Parasite Metazoan | 2 | __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| Parasite Metazoan | 2 3 | __________________________________________________________________________| Intestine Small | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Basophilic Focus | 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 | Congestion | 3 | Degeneration, Cystic | 2 2 2 2 2 2 2 2 1 2 2 3 2 2 2 3 2 2 2 2 2 2 | Eosinophilic Focus | 2 3 2 3 3 2 2 3 2 2 2 3 2 2 2 2 2 2 | Fatty Change, Diffuse | | Hematopoietic Cell Proliferation | 1 2 1 1 1 1 1 2 2 1| Hepatodiaphragmatic Nodule | | Infarct | | Inflammation, Granulomatous, | | Multifocal | 1 | Mixed Cell Focus | 3 3 3 2 3 2 3 3 2 2 3 2 2 2 3 3 2 2 | Necrosis, Focal | 4 4 4 3 | Necrosis, Multifocal | 2| Bile Duct, Hyperplasia | | Biliary Tract, Inflammation, Subacute| | Caudate Lobe, Infarct | 4 | Centrilobular, Necrosis, Coagulative | | __________________________________________________________________________| Mesentery | + + | Fat, Necrosis, Focal | 4 3 | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | | Acinus, Atrophy | 1 2 1 | __________________________________________________________________________| Pharynx | + + | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + M + + + + + + + + + + +| Inflammation, Chronic Active | | Acinus, Atrophy | | __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Erosion, Focal | 2 | Hyperplasia | | _____________________________________________________________________________________________________________________| Page 69 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 _____________________________________________________________________________________________________________________ | 4| 4| 4| 4| 3| 4| 4| 3| 3| 2| 4| 4| 4| 4| 4| 4| 4| 4| 4| 3| 4| 4| 4| 4| 3| DAY ON TEST | 2| 2| 2| 2| 7| 2| 2| 9| 7| 8| 2| 2| 2| 2| 0| 2| 2| 0| 2| 4| 2| 2| 2| 2| 5| | 0| 0| 0| 0| 2| 0| 0| 1| 9| 5| 0| 0| 0| 0| 6| 0| 0| 6| 0| 1| 0| 0| 0| 0| 5| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 0.007 | 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM - cont | | | | Ulcer | | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Degeneration, Cystic | 1 | Ectopic Tissue | | __________________________________________________________________________| Tongue | + | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 1 1 1 1 2 2 1 1 2 1 1 2 | Atrium, Dilatation | 3 | Atrium, Thrombosis | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Hematopoietic Cell Proliferation | | Hyperplasia, Focal | | Vacuolization Cytoplasmic, Focal | 1 2 | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Focal | | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 | Cyst | | Pars Distalis, Hyperplasia, Focal | 2 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Ultimobranchial Cyst | | C-Cell, Hyperplasia | | Follicle, Cyst | | Follicular Cell, Hyperplasia, Focal | | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | | | __________________________________________________________________________| Tissue NOS | | Inflammation, Chronic | | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | | Arteriole, Inflammation, Chronic | 2| __________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | | Hyperplasia, Focal | | Inflammation, Chronic Active | 2 2 | _____________________________________________________________________________________________________________________| Page 70 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 _____________________________________________________________________________________________________________________ | 4| 4| 4| 4| 3| 4| 4| 3| 3| 2| 4| 4| 4| 4| 4| 4| 4| 4| 4| 3| 4| 4| 4| 4| 3| DAY ON TEST | 2| 2| 2| 2| 7| 2| 2| 9| 7| 8| 2| 2| 2| 2| 0| 2| 2| 0| 2| 4| 2| 2| 2| 2| 5| | 0| 0| 0| 0| 2| 0| 0| 1| 9| 5| 0| 0| 0| 0| 6| 0| 0| 6| 0| 1| 0| 0| 0| 0| 5| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 0.007 | 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| GENITAL SYSTEM - cont | | | | Duct, Ectasia | 3 3 3 | __________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Multifocal | | Inflammation, Acute | | Inflammation, Chronic Active | 2 2 2 2 2 2 2 2 3 2 3 2 2 | Inflammation, Subacute | | __________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 3 2 3 | __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 1| Hypospermia | 2 | Interstitial Cell, Hyperplasia | 2 2 2 2 2 2 2 2 2 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | | __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| Deep Cervical, Hyperplasia, Plasma | | Cell | 3 | Mediastinal, Hemorrhage | 2 2 3 2 | Mediastinal, Hyperplasia, Plasma Cell| | Mediastinal, Hyperplasia, Re Cell | 3 | Mediastinal, Sinus, Infiltration | | Cellular, Histiocyte | | __________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + M + + + + + + + + + + +| Hemorrhage | | Hyperplasia, Plasma Cell | 2 3 3 2 3 2 | Sinus, Ectasia | 2 | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 2 | Sinus, Ectasia | 2 | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Congestion | | Fibrosis | | Hematopoietic Cell Proliferation | 3 4 3 4 4 3 4 3 4 3| Thrombosis | | __________________________________________________________________________| Thymus | + + M + + M + M M + + + + + + + + M + + M + + M +| Hemorrhage | | Epithelial Cell, Hyperplasia | 2 | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | M + + + + + + M + + + M + M + + + + + + + + + + +| __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Acanthosis | 3 | _____________________________________________________________________________________________________________________| Page 71 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 _____________________________________________________________________________________________________________________ | 4| 4| 4| 4| 3| 4| 4| 3| 3| 2| 4| 4| 4| 4| 4| 4| 4| 4| 4| 3| 4| 4| 4| 4| 3| DAY ON TEST | 2| 2| 2| 2| 7| 2| 2| 9| 7| 8| 2| 2| 2| 2| 0| 2| 2| 0| 2| 4| 2| 2| 2| 2| 5| | 0| 0| 0| 0| 2| 0| 0| 1| 9| 5| 0| 0| 0| 0| 6| 0| 0| 6| 0| 1| 0| 0| 0| 0| 5| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 0.007 | 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM - cont | | | | Cyst Epithelial Inclusion | | Inflammation, Chronic Active | 4 | Hair Follicle, Hyperplasia, Basal | | Cell, Focal | | Hair Follicle, Hyperplasia, Basal | | Cell, Multifocal | | Sebaceous Gland, Hyperplasia, Focal | 3 3 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | None | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Cerebrum, Hemorrhage, Multifocal | 3| Cerebrum, Necrosis, Focal | 2| Thalamus, Cyst | X | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Congestion | 3 | Embolus | | Foreign Body | | Infiltration Cellular, Histiocyte | 1 1 1 1 1 1 | Alveolar Epithelium, Hyperplasia, | | Focal | 1 2 2 2 2 2 1 2 | Alveolar Epithelium, Hyperplasia, | | Multifocal | 2 2 2 3 | Interstitium, Inflammation | 1 | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Foreign Body | 1 | Fungus | | Hemorrhage | | Inflammation, Suppurative | | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | | _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Zymbal's Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | | Ectasia | | Hyperplasia, Focal, Glandular | 1 | Inflammation, Acute | 1 | Inflammation, Granulomatous | | Bilateral, Hyperplasia, Focal, | | _____________________________________________________________________________________________________________________| Page 72 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 _____________________________________________________________________________________________________________________ | 4| 4| 4| 4| 3| 4| 4| 3| 3| 2| 4| 4| 4| 4| 4| 4| 4| 4| 4| 3| 4| 4| 4| 4| 3| DAY ON TEST | 2| 2| 2| 2| 7| 2| 2| 9| 7| 8| 2| 2| 2| 2| 0| 2| 2| 0| 2| 4| 2| 2| 2| 2| 5| | 0| 0| 0| 0| 2| 0| 0| 1| 9| 5| 0| 0| 0| 0| 6| 0| 0| 6| 0| 1| 0| 0| 0| 0| 5| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 0.007 | 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM - cont | | | | Glandular | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | | Degeneration, Hyaline | 2| Hydronephrosis | | Nephropathy | 2 2 1 2 2 2 2 2 2 1 2 2 2 2 2 2 2 2 2 2 2 2 2 2 1| __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| Page 73 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 __________________________________________________________________________________________________________________________________ | 4| 3| 3| 2| 0| 4| 4| 4| 4| 3| 4| 4| 4| 4| 3| 4| 4| 4| 3| 2| 4| 4| 4| 4| 2| | DAY ON TEST | 2| 8| 7| 2| 1| 2| 2| 0| 2| 0| 2| 2| 2| 0| 8| 2| 2| 2| 7| 9| 2| 2| 2| 0| 1| | | 0| 4| 8| 9| 2| 1| 1| 5| 1| 7| 1| 1| 1| 5| 4| 1| 1| 6| 9| 5| 1| 1| 1| 6| 5| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| A | 0.007 | 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| L | | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| 75 | __________________________________________________________________________|____________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + +| 75 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| 75 | Hemorrhage | | 1 2.0| Parasite Metazoan | 1 | 2 1.0| __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 75 | Parasite Metazoan | 1 1 1 1 | 8 1.4| __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| 75 | Parasite Metazoan | 1 2 | 5 2.0| __________________________________________________________________________|____________| Intestine Small | + + + + + + + + + + + + + + + + + + + + + + + + +| 75 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| 75 | __________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| 75 | __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| 75 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 75 | Basophilic Focus | 2 2 2 2 2 2 2 2 2 1 2 2 2 2 3 3 2 2 2 2| 54 2.1| Congestion | | 1 3.0| Degeneration, Cystic | 2 3 2 2 2 2 2 2 2 2 2 2 3 2 3 3 2 2 2 2 3 2 | 67 2.2| Eosinophilic Focus | 2 3 2 2 2 2 2 3 3 3 2 3 2 2 2 3 2 2 2 2 2| 57 2.3| Fatty Change, Diffuse | 2 | 1 2.0| Hematopoietic Cell Proliferation | 1 1 1 1 1 1 1 1 2 1 | 27 1.2| Hepatodiaphragmatic Nodule | X | 3 | Infarct | 4| 3 4.0| Inflammation, Granulomatous, | | | Multifocal | 1 1 | 3 1.0| Mixed Cell Focus | 2 3 2 2 2 2 1 3 3 3 3 2 2 2 3 3 2 | 54 2.4| Necrosis, Focal | 4 4 | 9 3.9| Necrosis, Multifocal | | 1 2.0| Bile Duct, Hyperplasia | 2 2 | 2 2.0| Biliary Tract, Inflammation, Subacute| 2 | 1 2.0| Caudate Lobe, Infarct | | 1 4.0| Centrilobular, Necrosis, Coagulative | 1 | 1 1.0| __________________________________________________________________________|____________| Mesentery | + + | 6 | Fat, Necrosis, Focal | 4 3 | 6 3.5| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 75 | Inflammation, Chronic | 2 | 1 2.0| Acinus, Atrophy | 2 2 | 7 1.6| __________________________________________________________________________|____________| Pharynx | | 3 | __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 74 | Inflammation, Chronic Active | 4 | 1 4.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 74 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 __________________________________________________________________________________________________________________________________ | 4| 3| 3| 2| 0| 4| 4| 4| 4| 3| 4| 4| 4| 4| 3| 4| 4| 4| 3| 2| 4| 4| 4| 4| 2| | DAY ON TEST | 2| 8| 7| 2| 1| 2| 2| 0| 2| 0| 2| 2| 2| 0| 8| 2| 2| 2| 7| 9| 2| 2| 2| 0| 1| | | 0| 4| 8| 9| 2| 1| 1| 5| 1| 7| 1| 1| 1| 5| 4| 1| 1| 6| 9| 5| 1| 1| 1| 6| 5| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| A | 0.007 | 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| L | | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM - cont | | | | | | Acinus, Atrophy | | 1 2.0| __________________________________________________________________________|____________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 75 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 75 | Erosion, Focal | | 1 2.0| Hyperplasia | | 1 3.0| Ulcer | 3 | 2 3.5| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 75 | Degeneration, Cystic | 1 | 4 1.0| Ectopic Tissue | | 1 | __________________________________________________________________________|____________| Tongue | | 1 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 75 | Cardiomyopathy | 2 2 2 1 2 1 1 1 2 1 2 2 2 2 2| 35 1.5| Atrium, Dilatation | | 1 3.0| Atrium, Thrombosis | 3 | 2 3.5| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 75 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 75 | Hematopoietic Cell Proliferation | 1 | 1 1.0| Hyperplasia, Focal | | 1 2.0| Vacuolization Cytoplasmic, Focal | | 5 1.4| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 75 | Hyperplasia, Focal | | 1 2.0| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 75 | __________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + + M + + + M + + + + M + + + + + +| 71 | __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 75 | Angiectasis | | 1 2.0| Cyst | X | 1 | Pars Distalis, Hyperplasia, Focal | | 3 2.0| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 75 | Ultimobranchial Cyst | X | 1 | C-Cell, Hyperplasia | | 1 2.0| Follicle, Cyst | | 1 | Follicular Cell, Hyperplasia, Focal | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | __________________________________________________________________________|____________| Tissue NOS | + | 1 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 75 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 __________________________________________________________________________________________________________________________________ | 4| 3| 3| 2| 0| 4| 4| 4| 4| 3| 4| 4| 4| 4| 3| 4| 4| 4| 3| 2| 4| 4| 4| 4| 2| | DAY ON TEST | 2| 8| 7| 2| 1| 2| 2| 0| 2| 0| 2| 2| 2| 0| 8| 2| 2| 2| 7| 9| 2| 2| 2| 0| 1| | | 0| 4| 8| 9| 2| 1| 1| 5| 1| 7| 1| 1| 1| 5| 4| 1| 1| 6| 9| 5| 1| 1| 1| 6| 5| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| A | 0.007 | 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| L | | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ GENERAL BODY SYSTEM - cont | | | | | | Inflammation, Chronic | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| 75 | Inflammation, Chronic | | 1 2.0| Arteriole, Inflammation, Chronic | | 1 2.0| __________________________________________________________________________|____________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 75 | Atrophy | 3 | 1 3.0| Hyperplasia, Focal | | 1 2.0| Inflammation, Chronic Active | 2 2 2 | 9 2.0| Duct, Ectasia | 2 | 7 2.6| __________________________________________________________________________|____________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| 75 | Hyperplasia, Multifocal | | 1 1.0| Inflammation, Acute | | 1 1.0| Inflammation, Chronic Active | 2 3 3 2 2 2 1 | 32 2.1| Inflammation, Subacute | | 1 1.0| __________________________________________________________________________|____________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| 75 | Atrophy | 3 3 | 8 2.6| __________________________________________________________________________|____________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| 75 | Hemorrhage | | 1 1.0| Hypospermia | 1 3 | 5 2.2| Interstitial Cell, Hyperplasia | 2 2 2 2 2 2 2 2 | 28 2.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 75 | Hyperplasia | | 1 3.0| __________________________________________________________________________|____________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| 75 | Deep Cervical, Hyperplasia, Plasma | | | Cell | | 1 3.0| Mediastinal, Hemorrhage | 2 | 9 2.2| Mediastinal, Hyperplasia, Plasma Cell| 3 | 1 3.0| Mediastinal, Hyperplasia, Re Cell | | 1 3.0| Mediastinal, Sinus, Infiltration | | | Cellular, Histiocyte | | 1 2.0| __________________________________________________________________________|____________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +| 74 | Hemorrhage | 2 | 2 2.0| Hyperplasia, Plasma Cell | 2 2 2 3 3 3 3 3 | 18 2.6| Sinus, Ectasia | 2 | 3 2.3| __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| 75 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 76 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 __________________________________________________________________________________________________________________________________ | 4| 3| 3| 2| 0| 4| 4| 4| 4| 3| 4| 4| 4| 4| 3| 4| 4| 4| 3| 2| 4| 4| 4| 4| 2| | DAY ON TEST | 2| 8| 7| 2| 1| 2| 2| 0| 2| 0| 2| 2| 2| 0| 8| 2| 2| 2| 7| 9| 2| 2| 2| 0| 1| | | 0| 4| 8| 9| 2| 1| 1| 5| 1| 7| 1| 1| 1| 5| 4| 1| 1| 6| 9| 5| 1| 1| 1| 6| 5| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| A | 0.007 | 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| L | | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont | | | | | | Hemorrhage | 3 | 2 2.5| Sinus, Ectasia | | 1 2.0| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 75 | Congestion | | 1 3.0| Fibrosis | 3 | 1 3.0| Hematopoietic Cell Proliferation | 3 2 4 4 3 2 | 22 3.3| Thrombosis | 4 | 1 4.0| __________________________________________________________________________|____________| Thymus | M + + + + + M M M + M + M + + M + M + + M M M + +| 50 | Hemorrhage | 2 | 1 2.0| Epithelial Cell, Hyperplasia | 2 | 4 2.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + M + + + + + + + + + + + + M + + + + + + +| 61 | __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 75 | Acanthosis | | 1 3.0| Cyst Epithelial Inclusion | X | 1 | Inflammation, Chronic Active | | 1 4.0| Hair Follicle, Hyperplasia, Basal | | | Cell, Focal | 1 1 | 4 1.0| Hair Follicle, Hyperplasia, Basal | | | Cell, Multifocal | 1 | 1 1.0| Sebaceous Gland, Hyperplasia, Focal | | 6 2.2| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | None | | | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 75 | Cerebrum, Hemorrhage, Multifocal | | 1 3.0| Cerebrum, Necrosis, Focal | | 1 2.0| Thalamus, Cyst | | 1 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 75 | Congestion | 3 | 2 3.0| Embolus | | 1 2.0| Foreign Body | 3 | 1 3.0| Infiltration Cellular, Histiocyte | 1 1 1 | 13 1.0| Alveolar Epithelium, Hyperplasia, | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 77 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 __________________________________________________________________________________________________________________________________ | 4| 3| 3| 2| 0| 4| 4| 4| 4| 3| 4| 4| 4| 4| 3| 4| 4| 4| 3| 2| 4| 4| 4| 4| 2| | DAY ON TEST | 2| 8| 7| 2| 1| 2| 2| 0| 2| 0| 2| 2| 2| 0| 8| 2| 2| 2| 7| 9| 2| 2| 2| 0| 1| | | 0| 4| 8| 9| 2| 1| 1| 5| 1| 7| 1| 1| 1| 5| 4| 1| 1| 6| 9| 5| 1| 1| 1| 6| 5| T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| T | ANIMAL ID | 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| 6| 6| 6| 6| 6| A | 0.007 | 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| L | | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | __________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM - cont | | | | | | Focal | 1 1 3 1 | 19 1.7| Alveolar Epithelium, Hyperplasia, | | | Multifocal | 2 3 3 1 2 | 12 2.2| Interstitium, Inflammation | 3 | 3 1.7| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 75 | Foreign Body | | 1 1.0| Fungus | | 1 3.0| Hemorrhage | | 1 2.0| Inflammation, Suppurative | 2 3 | 3 2.3| __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 75 | Inflammation, Suppurative | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Zymbal's Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 75 | Cyst | X | 1 | Ectasia | 3 | 1 3.0| Hyperplasia, Focal, Glandular | | 1 1.0| Inflammation, Acute | | 1 1.0| Inflammation, Granulomatous | 3 | 1 3.0| Bilateral, Hyperplasia, Focal, | | | Glandular | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 75 | Cyst | X | 1 | Degeneration, Hyaline | | 1 2.0| Hydronephrosis | 2 | 1 2.0| Nephropathy | 2 2 2 1 2 2 2 2 1 3 2 2 2 2 2 2 2 2 2 2 3 2 2 1| 74 2.0| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 75 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 78 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 _____________________________________________________________________________________________________________________ | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 2| 3| 3| 3| 2| 2| DAY ON TEST | 7| 7| 6| 2| 1| 7| 7| 7| 7| 7| 7| 7| 7| 7| 4| 3| 3| 1| 0| 8| 5| 3| 1| 6| 5| | 5| 5| 8| 9| 1| 5| 5| 5| 5| 5| 5| 5| 5| 9| 4| 8| 8| 2| 9| 0| 2| 3| 0| 4| 4| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 0.015 | 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + +| Inflammation, Suppurative | | __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + M + + +| Parasite Metazoan | 2 1 | Artery, Inflammation, Necrotizing | 4 | __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + +| Parasite Metazoan | 1 | __________________________________________________________________________| Intestine Small | + + + + + + + + + + + M + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + M + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + A + + + M + + +| Hemorrhage | | Hyperplasia, Lymphoid | | __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + M + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + +| Angiectasis | | Basophilic Focus | 2 2 1 1 2 X 2| Degeneration, Cystic | 3 2 2 2 3 2 3 3 2 | Eosinophilic Focus | 3 2 2 2 3 2 3 2 3 2 2 2 2| Fatty Change, Focal | | Fatty Change, Multifocal | | Hematocyst | | Hematopoietic Cell Proliferation | 1 1 1 1 1 1 1 | Hepatodiaphragmatic Nodule | X | Inflammation, Acute, Multifocal | 2 | Inflammation, Granulomatous, | | Multifocal | 1 | Mixed Cell Focus | 1 2 2 2 2 2 2 2| Necrosis, Coagulative, Focal | | Necrosis, Coagulative, Multifocal | 3 | Necrosis, Focal | | Necrosis, Multifocal | | Bile Duct, Hyperplasia, Focal, | | Adenomatous | | Bile Duct, Hyperplasia | | Caudate Lobe, Regeneration | 3 | Caudate Lobe, Periportal, Fibrosis | 3 | Centrilobular, Necrosis, Coagulative | 3 2 3 | __________________________________________________________________________| Mesentery | + + + | Inflammation, Granulomatous | | Artery, Mineralization | 3 3 3 | Fat, Necrosis, Focal | | __________________________________________________________________________| Pancreas | + + + + + + + + + + + M + + +| _____________________________________________________________________________________________________________________| Page 79 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 _____________________________________________________________________________________________________________________ | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 2| 3| 3| 3| 2| 2| DAY ON TEST | 7| 7| 6| 2| 1| 7| 7| 7| 7| 7| 7| 7| 7| 7| 4| 3| 3| 1| 0| 8| 5| 3| 1| 6| 5| | 5| 5| 8| 9| 1| 5| 5| 5| 5| 5| 5| 5| 5| 9| 4| 8| 8| 2| 9| 0| 2| 3| 0| 4| 4| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 0.015 | 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM - cont | | | | Artery, Mineralization | | __________________________________________________________________________| Pharynx | + | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + +| Necrosis | 2 | Acinus, Atrophy | 3 | __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + +| Ulcer | | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + +| Degeneration, Cystic | 1 2 | Erosion | | Mineralization | 4 4 3 | Ulcer | | __________________________________________________________________________| Tongue | | Hyperplasia, Focal | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + +| Cardiomyopathy | 2 1 2 2 2 2 2 2 2 2 2| Dilatation | | Inflammation, Acute | | Mineralization | 3 3 2 | Mitral Valve, Inflammation, Chronic | | Mitral Valve, Thrombosis | 4 | Myocardium, Inflammation, Acute | 3 | Myocardium, Inflammation, Chronic | | Active | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + +| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + +| Angiectasis | | Vacuolization Cytoplasmic, Focal | 3 | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + +| Bilateral, Hyperplasia, Focal | 2 | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + M + + +| __________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + + + +| Hyperplasia | 4 4 3 | __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + +| Cyst | | Pars Distalis, Hyperplasia, Focal | | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + +| Ultimobranchial Cyst | X | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | _____________________________________________________________________________________________________________________| Page 80 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 _____________________________________________________________________________________________________________________ | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 2| 3| 3| 3| 2| 2| DAY ON TEST | 7| 7| 6| 2| 1| 7| 7| 7| 7| 7| 7| 7| 7| 7| 4| 3| 3| 1| 0| 8| 5| 3| 1| 6| 5| | 5| 5| 8| 9| 1| 5| 5| 5| 5| 5| 5| 5| 5| 9| 4| 8| 8| 2| 9| 0| 2| 3| 0| 4| 4| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 0.015 | 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM - cont | | | | | | __________________________________________________________________________| Tissue NOS | + | Mineralization | 3 | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + +| Inflammation, Suppurative | | __________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + + +| Atrophy | 3 | Hyperplasia, Focal | 2 2 | Hyperplasia, Focal, Squamous | 2 2 | Inflammation, Chronic Active | 2 3 | Duct, Ectasia | 3 | __________________________________________________________________________| Prostate | + + + + + + + + + + + + + + +| Hyperplasia, Focal | 2 2 | Inflammation, Chronic Active | 2 2 | Inflammation, Suppurative | | __________________________________________________________________________| Seminal Vesicle | + + M + + + + + + + + + + + +| Atrophy | 2 | Hyperplasia, Focal | | __________________________________________________________________________| Testes | + + + + + + + + + + + + + + +| Hemorrhage | | Hypospermia | 3 | Mineralization | | Interstitial Cell, Hyperplasia | | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + +| Atrophy | 3 3 | Hemorrhage | 3 3 | Hyperplasia | 2 | Proliferation Connective Tissue | | __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + +| Mediastinal, Hemorrhage | 2 | Mediastinal, Infiltration Cellular, | | Polymorphonuclear | | Mediastinal, Pigmentation, | | Hemosiderin | | __________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + +| Hemorrhage | 2 | Hyperplasia, Lymphoid | 3 3 3 | Hyperplasia, Plasma Cell | 4 3 | Sinus, Ectasia | | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + M + + +| _____________________________________________________________________________________________________________________| Page 81 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 _____________________________________________________________________________________________________________________ | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 2| 3| 3| 3| 2| 2| DAY ON TEST | 7| 7| 6| 2| 1| 7| 7| 7| 7| 7| 7| 7| 7| 7| 4| 3| 3| 1| 0| 8| 5| 3| 1| 6| 5| | 5| 5| 8| 9| 1| 5| 5| 5| 5| 5| 5| 5| 5| 9| 4| 8| 8| 2| 9| 0| 2| 3| 0| 4| 4| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 0.015 | 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | | | Atrophy | | Hemorrhage | 2 | Infiltration Cellular, | | Polymorphonuclear | | Sinus, Ectasia | | __________________________________________________________________________| Spleen | + + + + + + + + + + + M + + +| Congestion | 3 | Depletion Lymphoid | 3 | Fibrosis | 3 | Hematopoietic Cell Proliferation | 3 3 2 3 | Hyperplasia, Focal, Re Cell | | Necrosis | | Necrosis, Multifocal | | Capsule, Hematopoietic Cell | | Proliferation | | Red Pulp, Necrosis | 3 | __________________________________________________________________________| Thymus | + + + + + + + + + + + + + + +| Congestion | 3 | Cyst | | Depletion Lymphoid | 3 | Ectopic Parathyroid Gland | | Hemorrhage | | Epithelial Cell, Hyperplasia | 2 | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + M + M + M + + + + + + +| __________________________________________________________________________| Skin | + + + + + + + + + + + + + + +| Acanthosis | | Erosion, Focal | | Fibrosis, Focal | 3 | Fibrosis, Multifocal | 4 | Ulcer | 4 | Hair Follicle, Hyperplasia, Basal | | Cell, Focal | 1 | Hair Follicle, Hyperplasia, Basal | | Cell, Multifocal | | Sebaceous Gland, Hyperplasia, Focal | 2 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + | Cranium, Fibrous Osteodystrophy | 3 2 | Sternum, Fibrous Osteodystrophy | 2 | Sternum, Osteopetrosis | 3 | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | _____________________________________________________________________________________________________________________| Page 82 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 _____________________________________________________________________________________________________________________ | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 2| 3| 3| 3| 2| 2| DAY ON TEST | 7| 7| 6| 2| 1| 7| 7| 7| 7| 7| 7| 7| 7| 7| 4| 3| 3| 1| 0| 8| 5| 3| 1| 6| 5| | 5| 5| 8| 9| 1| 5| 5| 5| 5| 5| 5| 5| 5| 9| 4| 8| 8| 2| 9| 0| 2| 3| 0| 4| 4| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 0.015 | 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM - cont | | | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + +| Brain Stem, Inflammation, Acute | 1 | Cerebellum, Necrosis | | Cerebrum, Hemorrhage | | Cerebrum, Necrosis, Focal | | Thalamus, Hemorrhage | | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + +| Congestion | | Granuloma | | Hemorrhage | | Infiltration Cellular, Histiocyte | 1 1 1 1 | Mineralization | 3 2 1 | Necrosis, Focal | | Alveolar Epithelium, Hyperplasia, | | Focal | 2 2 | Alveolar Epithelium, Hyperplasia, | | Multifocal | 2 3 3 | Capillary, Thrombosis | | Interstitium, Inflammation | 1 | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + +| Inflammation, Suppurative | | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Ear | | __________________________________________________________________________| Eye | | Cataract | | Cornea, Inflammation, Chronic Active | | Cornea, Inflammation, Suppurative | | __________________________________________________________________________| Zymbal's Gland | + + + + + + + + + + + + + + +| Ectasia | | Hyperplasia, Focal, Glandular | 2 | Hyperplasia, Focal, Squamous | 2 2 | Hypertrophy | | Inflammation, Chronic Active | | Bilateral, Hyperplasia, Focal, | | Squamous | 2 | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + +| Cyst | | _____________________________________________________________________________________________________________________| Page 83 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 _____________________________________________________________________________________________________________________ | 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 2| 3| 3| 3| 2| 2| DAY ON TEST | 7| 7| 6| 2| 1| 7| 7| 7| 7| 7| 7| 7| 7| 7| 4| 3| 3| 1| 0| 8| 5| 3| 1| 6| 5| | 5| 5| 8| 9| 1| 5| 5| 5| 5| 5| 5| 5| 5| 9| 4| 8| 8| 2| 9| 0| 2| 3| 0| 4| 4| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 0.015 | 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| URINARY SYSTEM - cont | | | | Hydronephrosis | | Inflammation, Acute | 2 2 | Inflammation, Suppurative | | Nephropathy | 4 3 2 4 3 4 4 3 4 4 4 4 4 2 3| Renal Tubule, Hyperplasia, Focal | 2 | Renal Tubule, Necrosis | | Transitional Epithelium, Hyperplasia,| | Multifocal | | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + +| Dilatation | | _____________________________________________________________________________________________________________________| Page 84 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 _____________________________________________________________________________________________________________________ | 3| 3| 3| 3| 2| 3| 3| 2| 2| 2| 3| 3| 3| 2| 2| 3| 3| 3| 3| 2| 3| 3| 3| 3| 2| DAY ON TEST | 5| 5| 3| 0| 8| 8| 2| 9| 8| 3| 5| 5| 0| 2| 0| 4| 4| 3| 0| 9| 7| 4| 3| 0| 9| | 0| 2| 8| 8| 1| 4| 4| 6| 0| 8| 0| 2| 8| 6| 9| 8| 3| 8| 3| 0| 2| 3| 8| 5| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 0.015 | 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM | | | | __________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | | __________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| Parasite Metazoan | 3 1 2 2 2 | Artery, Inflammation, Necrotizing | | __________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| Parasite Metazoan | 1 2 | __________________________________________________________________________| Intestine Small | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | | Hyperplasia, Lymphoid | | __________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + A + + + + + + + + +| __________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | 2 | Basophilic Focus | 2 4 X 2 2 2 2 | Degeneration, Cystic | 3 2 2 2 2 4 3 3 1 1 3 2 2 2 2 2 3 2 3 3 3 2 2 3| Eosinophilic Focus | 3 3 3 3 2 4 3 2 3 3 2 2 2 2 3 2 3 3 3 2| Fatty Change, Focal | | Fatty Change, Multifocal | 1 1 | Hematocyst | | Hematopoietic Cell Proliferation | 1 1 1 1 | Hepatodiaphragmatic Nodule | X X X | Inflammation, Acute, Multifocal | | Inflammation, Granulomatous, | | Multifocal | 1 | Mixed Cell Focus | 3 2 2 2 2 3 1 3 2 2 3 3 2 2 | Necrosis, Coagulative, Focal | | Necrosis, Coagulative, Multifocal | 2 | Necrosis, Focal | 4| Necrosis, Multifocal | | Bile Duct, Hyperplasia, Focal, | | Adenomatous | | Bile Duct, Hyperplasia | 2 | Caudate Lobe, Regeneration | | Caudate Lobe, Periportal, Fibrosis | | Centrilobular, Necrosis, Coagulative | 1 3 | __________________________________________________________________________| Mesentery | + + + | Inflammation, Granulomatous | | Artery, Mineralization | 4 3 | Fat, Necrosis, Focal | 3 | __________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + M + + + + + +| _____________________________________________________________________________________________________________________| Page 85 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 _____________________________________________________________________________________________________________________ | 3| 3| 3| 3| 2| 3| 3| 2| 2| 2| 3| 3| 3| 2| 2| 3| 3| 3| 3| 2| 3| 3| 3| 3| 2| DAY ON TEST | 5| 5| 3| 0| 8| 8| 2| 9| 8| 3| 5| 5| 0| 2| 0| 4| 4| 3| 0| 9| 7| 4| 3| 0| 9| | 0| 2| 8| 8| 1| 4| 4| 6| 0| 8| 0| 2| 8| 6| 9| 8| 3| 8| 3| 0| 2| 3| 8| 5| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 0.015 | 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| ALIMENTARY SYSTEM - cont | | | | Artery, Mineralization | | __________________________________________________________________________| Pharynx | + | __________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| Necrosis | | Acinus, Atrophy | 3 | __________________________________________________________________________| Stomach | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Ulcer | 3 | __________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Degeneration, Cystic | 1 1 1 1 1 1 1 1 1| Erosion | 2 | Mineralization | 4 3 3 | Ulcer | 2 | __________________________________________________________________________| Tongue | + | Hyperplasia, Focal | 2 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | | | __________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 2 1 2 2 2 2 1 2 2 2 2 2 2 | Dilatation | | Inflammation, Acute | 2 | Mineralization | 3 3 | Mitral Valve, Inflammation, Chronic | 2 | Mitral Valve, Thrombosis | 3 | Myocardium, Inflammation, Acute | | Myocardium, Inflammation, Chronic | | Active | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | | | __________________________________________________________________________| Adrenal Gland | + + + + + + + + + + + + + + + + + + M + + + + + +| __________________________________________________________________________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + M + + + + + +| Angiectasis | | Vacuolization Cytoplasmic, Focal | 1 2 | __________________________________________________________________________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + M + + + + + +| Bilateral, Hyperplasia, Focal | | __________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + M + + + + + +| __________________________________________________________________________| Parathyroid Gland | + + + + M + + + + + + M + + + + + + + + + + + + +| Hyperplasia | 3 2 3 3 | __________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | X | Pars Distalis, Hyperplasia, Focal | 2 | __________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Ultimobranchial Cyst | X X X X | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | _____________________________________________________________________________________________________________________| Page 86 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 _____________________________________________________________________________________________________________________ | 3| 3| 3| 3| 2| 3| 3| 2| 2| 2| 3| 3| 3| 2| 2| 3| 3| 3| 3| 2| 3| 3| 3| 3| 2| DAY ON TEST | 5| 5| 3| 0| 8| 8| 2| 9| 8| 3| 5| 5| 0| 2| 0| 4| 4| 3| 0| 9| 7| 4| 3| 0| 9| | 0| 2| 8| 8| 1| 4| 4| 6| 0| 8| 0| 2| 8| 6| 9| 8| 3| 8| 3| 0| 2| 3| 8| 5| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 0.015 | 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM - cont | | | | | | __________________________________________________________________________| Tissue NOS | + + | Mineralization | 3 | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | | | __________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | | __________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | | Hyperplasia, Focal | 2 | Hyperplasia, Focal, Squamous | | Inflammation, Chronic Active | 3 2 | Duct, Ectasia | 2 2 3 2 3 3 3 | __________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Focal | | Inflammation, Chronic Active | 1 2 3 4 2 3 2 3 | Inflammation, Suppurative | 2 3| __________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 3 2 | Hyperplasia, Focal | 1 2 | __________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | | Hypospermia | 2 3 2 | Mineralization | | Interstitial Cell, Hyperplasia | 2 2 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | | | __________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 2 2 2 2 | Hemorrhage | 2 3 2 2 | Hyperplasia | | Proliferation Connective Tissue | | __________________________________________________________________________| Lymph Node | + + + + + + + + + + + + + + + + + + + + + + + + +| Mediastinal, Hemorrhage | 3 3 | Mediastinal, Infiltration Cellular, | | Polymorphonuclear | 2 | Mediastinal, Pigmentation, | | Hemosiderin | 3 | __________________________________________________________________________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | | Hyperplasia, Lymphoid | | Hyperplasia, Plasma Cell | 3 3 3 3 3 3 | Sinus, Ectasia | | __________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + M + + + + M +| _____________________________________________________________________________________________________________________| Page 87 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 _____________________________________________________________________________________________________________________ | 3| 3| 3| 3| 2| 3| 3| 2| 2| 2| 3| 3| 3| 2| 2| 3| 3| 3| 3| 2| 3| 3| 3| 3| 2| DAY ON TEST | 5| 5| 3| 0| 8| 8| 2| 9| 8| 3| 5| 5| 0| 2| 0| 4| 4| 3| 0| 9| 7| 4| 3| 0| 9| | 0| 2| 8| 8| 1| 4| 4| 6| 0| 8| 0| 2| 8| 6| 9| 8| 3| 8| 3| 0| 2| 3| 8| 5| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 0.015 | 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | | | Atrophy | 2 | Hemorrhage | | Infiltration Cellular, | | Polymorphonuclear | 2 | Sinus, Ectasia | 2 | __________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + M + + + + M +| Congestion | 2 2| Depletion Lymphoid | 3 3 | Fibrosis | | Hematopoietic Cell Proliferation | 3 3 | Hyperplasia, Focal, Re Cell | 3 | Necrosis | 3 | Necrosis, Multifocal | | Capsule, Hematopoietic Cell | | Proliferation | 2 | Red Pulp, Necrosis | | __________________________________________________________________________| Thymus | M M + M + + M + + + M M + + + + + + + + M + + M M| Congestion | | Cyst | | Depletion Lymphoid | 3 | Ectopic Parathyroid Gland | | Hemorrhage | 2 | Epithelial Cell, Hyperplasia | | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | | | __________________________________________________________________________| Mammary Gland | + + + + + M M + + M + + + + + + + + + + M M + + M| __________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Acanthosis | 3 | Erosion, Focal | 3 | Fibrosis, Focal | 3 | Fibrosis, Multifocal | | Ulcer | | Hair Follicle, Hyperplasia, Basal | | Cell, Focal | | Hair Follicle, Hyperplasia, Basal | | Cell, Multifocal | | Sebaceous Gland, Hyperplasia, Focal | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | | | __________________________________________________________________________| Bone | + + + | Cranium, Fibrous Osteodystrophy | 3 3 3 | Sternum, Fibrous Osteodystrophy | 3 2 | Sternum, Osteopetrosis | 3 | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | _____________________________________________________________________________________________________________________| Page 88 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 _____________________________________________________________________________________________________________________ | 3| 3| 3| 3| 2| 3| 3| 2| 2| 2| 3| 3| 3| 2| 2| 3| 3| 3| 3| 2| 3| 3| 3| 3| 2| DAY ON TEST | 5| 5| 3| 0| 8| 8| 2| 9| 8| 3| 5| 5| 0| 2| 0| 4| 4| 3| 0| 9| 7| 4| 3| 0| 9| | 0| 2| 8| 8| 1| 4| 4| 6| 0| 8| 0| 2| 8| 6| 9| 8| 3| 8| 3| 0| 2| 3| 8| 5| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 0.015 | 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| NERVOUS SYSTEM - cont | | | | | | __________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Brain Stem, Inflammation, Acute | | Cerebellum, Necrosis | | Cerebrum, Hemorrhage | 3 2 | Cerebrum, Necrosis, Focal | 3 | Thalamus, Hemorrhage | 2 | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | | | __________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Congestion | 4 | Granuloma | 1 | Hemorrhage | 2 | Infiltration Cellular, Histiocyte | 1 1 1 1 1 1 | Mineralization | | Necrosis, Focal | | Alveolar Epithelium, Hyperplasia, | | Focal | 2 1 2 1 1 | Alveolar Epithelium, Hyperplasia, | | Multifocal | 2 2 2 | Capillary, Thrombosis | | Interstitium, Inflammation | 2 1 | __________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | 2 | __________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | | | __________________________________________________________________________| Ear | + | __________________________________________________________________________| Eye | + + + | Cataract | 3 | Cornea, Inflammation, Chronic Active | | Cornea, Inflammation, Suppurative | 2 3 | __________________________________________________________________________| Zymbal's Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Ectasia | 3 4 3 | Hyperplasia, Focal, Glandular | | Hyperplasia, Focal, Squamous | 2 3 3 | Hypertrophy | | Inflammation, Chronic Active | 3 2 | Bilateral, Hyperplasia, Focal, | | Squamous | 2 2 | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | | | __________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + M + + + + + +| Cyst | | _____________________________________________________________________________________________________________________| Page 89 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 _____________________________________________________________________________________________________________________ | 3| 3| 3| 3| 2| 3| 3| 2| 2| 2| 3| 3| 3| 2| 2| 3| 3| 3| 3| 2| 3| 3| 3| 3| 2| DAY ON TEST | 5| 5| 3| 0| 8| 8| 2| 9| 8| 3| 5| 5| 0| 2| 0| 4| 4| 3| 0| 9| 7| 4| 3| 0| 9| | 0| 2| 8| 8| 1| 4| 4| 6| 0| 8| 0| 2| 8| 6| 9| 8| 3| 8| 3| 0| 2| 3| 8| 5| 6| _____________________________________________________________________________________________________________________| | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| ANIMAL ID | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 0.015 | 2| 2| 2| 2| 2| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 6| 6| 6| 6| 6| | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| _____________________________________________________________________________________________________________________| URINARY SYSTEM - cont | | | | Hydronephrosis | 2 | Inflammation, Acute | | Inflammation, Suppurative | 3 | Nephropathy | 4 4 4 4 3 4 3 3 3 4 4 4 3 3 2 4 3 4 3 4 4 3 3 4| Renal Tubule, Hyperplasia, Focal | | Renal Tubule, Necrosis | | Transitional Epithelium, Hyperplasia,| | Multifocal | 1 | __________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Dilatation | 4 | _____________________________________________________________________________________________________________________| Page 90 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 __________________________________________________________________________________________________________________________________ | 3| 3| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 2| 2| | | DAY ON TEST | 2| 0| 8| 6| 6| 7| 5| 5| 3| 2| 7| 5| 5| 4| 2| 8| 3| 0| 8| 1| | | | 8| 9| 0| 5| 4| 2| 2| 2| 8| 4| 2| 2| 2| 9| 4| 3| 8| 6| 0| 1| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| | A | 0.015 | 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| | L | | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM | | | | | | __________________________________________________________________________|____________| Esophagus | + + + + + + + + + + + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Intestine Large | + + + + + + + + + + + + + + + + + + + + | 60 | __________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + A + + A + + + | 58 | Inflammation, Suppurative | 2 | 1 2.0| __________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + A + + + | 58 | Parasite Metazoan | X 2 | 9 1.9| Artery, Inflammation, Necrotizing | | 1 4.0| __________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + | 60 | Parasite Metazoan | 2 3 | 5 1.8| __________________________________________________________________________|____________| Intestine Small | + + + + + + + + + + + + + M + + A A + + | 56 | __________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + M + + A A + + | 56 | __________________________________________________________________________|____________| Intestine Small, Ileum | A + + + + + + + + + + + + M + + A A + + | 54 | Hemorrhage | 2 | 1 2.0| Hyperplasia, Lymphoid | 3 | 1 3.0| __________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + M + + A A + + | 55 | __________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + | 60 | Angiectasis | 3 2 | 3 2.3| Basophilic Focus | 2 3 2 2 2 2 X 2 X 2 2 2 2 | 27 2.0| Degeneration, Cystic | 2 1 2 1 1 2 2 2 3 3 2 4 3 3 2 2 2 3 | 51 2.3| Eosinophilic Focus | 3 2 3 2 3 3 3 3 3 3 3 3 4 3 3 3 3 2 2 3 | 53 2.6| Fatty Change, Focal | 1 | 1 1.0| Fatty Change, Multifocal | 2 1 1 1 | 6 1.2| Hematocyst | X | 1 | Hematopoietic Cell Proliferation | 1 2 1 1 | 15 1.1| Hepatodiaphragmatic Nodule | X X | 6 | Inflammation, Acute, Multifocal | | 1 2.0| Inflammation, Granulomatous, | | | Multifocal | | 2 1.0| Mixed Cell Focus | 3 3 3 3 3 1 2 2 | 30 2.2| Necrosis, Coagulative, Focal | 2 | 1 2.0| Necrosis, Coagulative, Multifocal | | 2 2.5| Necrosis, Focal | | 1 4.0| Necrosis, Multifocal | 2 | 1 2.0| Bile Duct, Hyperplasia, Focal, | | | Adenomatous | 2 | 1 2.0| Bile Duct, Hyperplasia | | 1 2.0| Caudate Lobe, Regeneration | | 1 3.0| Caudate Lobe, Periportal, Fibrosis | | 1 3.0| Centrilobular, Necrosis, Coagulative | | 5 2.4| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 91 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 __________________________________________________________________________________________________________________________________ | 3| 3| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 2| 2| | | DAY ON TEST | 2| 0| 8| 6| 6| 7| 5| 5| 3| 2| 7| 5| 5| 4| 2| 8| 3| 0| 8| 1| | | | 8| 9| 0| 5| 4| 2| 2| 2| 8| 4| 2| 2| 2| 9| 4| 3| 8| 6| 0| 1| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| | A | 0.015 | 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| | L | | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | | __________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM - cont | | | | | | __________________________________________________________________________|____________| Mesentery | + | 7 | Inflammation, Granulomatous | 1 | 1 1.0| Artery, Mineralization | | 5 3.2| Fat, Necrosis, Focal | | 1 3.0| __________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + M + + + + + + | 57 | Artery, Mineralization | 3 | 1 3.0| __________________________________________________________________________|____________| Pharynx | + | 3 | __________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + | 60 | Necrosis | | 1 2.0| Acinus, Atrophy | | 2 3.0| __________________________________________________________________________|____________| Stomach | + + + + + + + + + + + + + M + + + + + + | 59 | __________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + M + + + + + + | 59 | Ulcer | | 1 3.0| __________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + M + + + + + + | 59 | Degeneration, Cystic | 1 1 1 1 | 15 1.1| Erosion | | 1 2.0| Mineralization | 3 3 | 8 3.4| Ulcer | | 1 2.0| __________________________________________________________________________|____________| Tongue | + + | 3 | Hyperplasia, Focal | | 1 2.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | | | | __________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + | 59 | Cardiomyopathy | 2 2 2 2 2 1 2 | 31 1.9| Dilatation | 3 | 1 3.0| Inflammation, Acute | | 1 2.0| Mineralization | 3 | 6 2.8| Mitral Valve, Inflammation, Chronic | | 1 2.0| Mitral Valve, Thrombosis | | 2 3.5| Myocardium, Inflammation, Acute | | 1 3.0| Myocardium, Inflammation, Chronic | | | Active | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | | | | __________________________________________________________________________|____________| Adrenal Gland | + + + + + + + + + + + + + + + + + + + + | 59 | __________________________________________________________________________|____________| Adrenal Gland, Cortex | + + + + + + + + + + + + + + + + + + + + | 59 | Angiectasis | 2 | 1 2.0| Vacuolization Cytoplasmic, Focal | 1 1 | 5 1.6| __________________________________________________________________________|____________| Adrenal Gland, Medulla | + + + + + + + + + + + + + + + + + + + + | 59 | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 92 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 __________________________________________________________________________________________________________________________________ | 3| 3| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 2| 2| | | DAY ON TEST | 2| 0| 8| 6| 6| 7| 5| 5| 3| 2| 7| 5| 5| 4| 2| 8| 3| 0| 8| 1| | | | 8| 9| 0| 5| 4| 2| 2| 2| 8| 4| 2| 2| 2| 9| 4| 3| 8| 6| 0| 1| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| | A | 0.015 | 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| | L | | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | | __________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM - cont | | | | | | Bilateral, Hyperplasia, Focal | | 1 2.0| __________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + M + + + + + + | 57 | __________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + | 58 | Hyperplasia | 3 2 3 3 | 11 3.0| __________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + | 60 | Cyst | | 1 | Pars Distalis, Hyperplasia, Focal | | 1 2.0| __________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + | 60 | Ultimobranchial Cyst | X X | 7 | _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | | | | __________________________________________________________________________|____________| Tissue NOS | + | 4 | Mineralization | 4 | 3 3.3| _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | | | | __________________________________________________________________________|____________| Epididymis | + + + + + + + + + + + + + + + + + + + + | 60 | Inflammation, Suppurative | 2 | 1 2.0| __________________________________________________________________________|____________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + | 60 | Atrophy | | 1 3.0| Hyperplasia, Focal | | 3 2.0| Hyperplasia, Focal, Squamous | | 2 2.0| Inflammation, Chronic Active | 2 2 2 2 | 8 2.3| Duct, Ectasia | 3 3 2 1 3 | 13 2.5| __________________________________________________________________________|____________| Prostate | + + + + + + + + + + + + + + + + + + + + | 60 | Hyperplasia, Focal | 2 | 3 2.0| Inflammation, Chronic Active | 1 2 2 2 2 | 15 2.2| Inflammation, Suppurative | | 2 2.5| __________________________________________________________________________|____________| Seminal Vesicle | + + + M + + + + + + + + + + + + + + + + | 58 | Atrophy | 3 2 | 5 2.4| Hyperplasia, Focal | | 2 1.5| __________________________________________________________________________|____________| Testes | + + + + + + + + + + + + + + + + + + + + | 60 | Hemorrhage | 2 | 1 2.0| Hypospermia | 2 2 | 6 2.3| Mineralization | 1 | 1 1.0| Interstitial Cell, Hyperplasia | 2 2 | 4 2.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | | | | __________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + | 60 | Atrophy | 3 2 | 8 2.4| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 93 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 __________________________________________________________________________________________________________________________________ | 3| 3| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 2| 2| | | DAY ON TEST | 2| 0| 8| 6| 6| 7| 5| 5| 3| 2| 7| 5| 5| 4| 2| 8| 3| 0| 8| 1| | | | 8| 9| 0| 5| 4| 2| 2| 2| 8| 4| 2| 2| 2| 9| 4| 3| 8| 6| 0| 1| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| | A | 0.015 | 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| | L | | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | | __________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - cont | | | | | | Hemorrhage | 3 3 | 8 2.6| Hyperplasia | 2 2 | 3 2.0| Proliferation Connective Tissue | 3 | 1 3.0| __________________________________________________________________________|____________| Lymph Node | + + + + + + + + + + + + + + + + + + + + | 60 | Mediastinal, Hemorrhage | 3 2 3 3 | 7 2.7| Mediastinal, Infiltration Cellular, | | | Polymorphonuclear | | 1 2.0| Mediastinal, Pigmentation, | | | Hemosiderin | | 1 3.0| __________________________________________________________________________|____________| Lymph Node, Mandibular | + + + + + + + + + + + + + + + + + + + + | 60 | Hemorrhage | | 1 2.0| Hyperplasia, Lymphoid | | 3 3.0| Hyperplasia, Plasma Cell | 3 3 2 3 3 2 2 4 | 16 2.9| Sinus, Ectasia | 2 | 1 2.0| __________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + A + + + | 56 | Atrophy | | 1 2.0| Hemorrhage | | 1 2.0| Infiltration Cellular, | | | Polymorphonuclear | | 1 2.0| Sinus, Ectasia | | 1 2.0| __________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + M + + M + + + | 55 | Congestion | | 3 2.3| Depletion Lymphoid | | 3 3.0| Fibrosis | | 1 3.0| Hematopoietic Cell Proliferation | 3 3 3 4 2 | 11 2.9| Hyperplasia, Focal, Re Cell | | 1 3.0| Necrosis | 3 | 2 3.0| Necrosis, Multifocal | 2 | 1 2.0| Capsule, Hematopoietic Cell | | | Proliferation | | 1 2.0| Red Pulp, Necrosis | | 1 3.0| __________________________________________________________________________|____________| Thymus | + + + + + + + + + + M + M + + + M + + + | 48 | Congestion | | 1 3.0| Cyst | X | 1 | Depletion Lymphoid | 3 | 3 3.0| Ectopic Parathyroid Gland | X | 1 | Hemorrhage | 2 | 2 2.0| Epithelial Cell, Hyperplasia | | 1 2.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 94 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 __________________________________________________________________________________________________________________________________ | 3| 3| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 2| 2| | | DAY ON TEST | 2| 0| 8| 6| 6| 7| 5| 5| 3| 2| 7| 5| 5| 4| 2| 8| 3| 0| 8| 1| | | | 8| 9| 0| 5| 4| 2| 2| 2| 8| 4| 2| 2| 2| 9| 4| 3| 8| 6| 0| 1| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| | A | 0.015 | 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| | L | | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | | __________________________________________________________________________________________________________________________________ INTEGUMENTARY SYSTEM - cont | | | | | | | | | __________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + M M + M + + + + + + | 48 | __________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + | 60 | Acanthosis | | 1 3.0| Erosion, Focal | | 1 3.0| Fibrosis, Focal | | 2 3.0| Fibrosis, Multifocal | | 1 4.0| Ulcer | | 1 4.0| Hair Follicle, Hyperplasia, Basal | | | Cell, Focal | | 1 1.0| Hair Follicle, Hyperplasia, Basal | | | Cell, Multifocal | 2 | 1 2.0| Sebaceous Gland, Hyperplasia, Focal | | 1 2.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | | | | __________________________________________________________________________|____________| Bone | | 5 | Cranium, Fibrous Osteodystrophy | | 5 2.8| Sternum, Fibrous Osteodystrophy | | 3 2.3| Sternum, Osteopetrosis | | 2 3.0| _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | | | | __________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + | 60 | Brain Stem, Inflammation, Acute | | 1 1.0| Cerebellum, Necrosis | 4 | 1 4.0| Cerebrum, Hemorrhage | | 2 2.5| Cerebrum, Necrosis, Focal | | 1 3.0| Thalamus, Hemorrhage | | 1 2.0| _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | | | | __________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + | 60 | Congestion | | 1 4.0| Granuloma | | 1 1.0| Hemorrhage | | 1 2.0| Infiltration Cellular, Histiocyte | 1 1 1 | 13 1.0| Mineralization | 3 | 4 2.3| Necrosis, Focal | 4 | 1 4.0| Alveolar Epithelium, Hyperplasia, | | | Focal | 2 | 8 1.6| Alveolar Epithelium, Hyperplasia, | | | __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 95 NTP Experiment-Test: 05166-01 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC 3,3-DIMETHYLBENZIDINE DIHYDROCHLORIDE Date: 04/29/97 Route: DOSED WATER Time: 17:28:43 __________________________________________________________________________________________________________________________________ | 3| 3| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 2| 2| | | DAY ON TEST | 2| 0| 8| 6| 6| 7| 5| 5| 3| 2| 7| 5| 5| 4| 2| 8| 3| 0| 8| 1| | | | 8| 9| 0| 5| 4| 2| 2| 2| 8| 4| 2| 2| 2| 9| 4| 3| 8| 6| 0| 1| | T (*) | _____________________________________________________________________________________________________________________| | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | FISCHER 344 RATS MALE | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | T | ANIMAL ID | 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| | A | 0.015 | 7| 7| 7| 7| 7| 8| 8| 8| 8| 8| 9| 9| 9| 9| 9| 0| 0| 0| 0| 0| | L | | 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | | __________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM - cont | | | | | | Multifocal | 2 2 2 | 9 2.2| Capillary, Thrombosis | 3 | 1 3.0| Interstitium, Inflammation | 1 | 4 1.3| __________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + | 60 | Inflammation, Suppurative | | 1 2.0| __________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + | 60 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | | | | __________________________________________________________________________|____________| Ear | + | 2 | __________________________________________________________________________|____________| Eye | + | 4 | Cataract | | 1 3.0| Cornea, Inflammation, Chronic Active | 3 | 1 3.0| Cornea, Inflammation, Suppurative | | 2 2.5| __________________________________________________________________________|____________| Zymbal's Gland | + + + + + + + + + + + + + + + + + + + | 59 | Ectasia | 3 2 | 5 3.0| Hyperplasia, Focal, Glandular | | 1 2.0| Hyperplasia, Focal, Squamous | 3 2 | 7 2.4| Hypertrophy | 3 | 1 3.0| Inflammation, Chronic Active | | 2 2.5| Bilateral, Hyperplasia, Focal, | | | Squamous | | 3 2.0| _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | | | | __________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + | 59 | Cyst | X | 1 | Hydronephrosis | | 1 2.0| Inflammation, Acute | | 2 2.0| Inflammation, Suppurative | | 1 3.0| Nephropathy | 3 3 3 3 2 4 3 4 4 3 4 4 4 4 2 3 4 4 3 1 | 59 3.4| Renal Tubule, Hyperplasia, Focal | | 1 2.0| Renal Tubule, Necrosis | 4 | 1 4.0| Transitional Epithelium, Hyperplasia,| | | Multifocal | | 1 1.0| __________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + A + + + + + + | 59 | Dilatation | | 1 4.0| __________________________________________________________________________________________________________________________________ * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 96 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