TDMS Study 88004-05 Pathology Tables
NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 FINAL #1 RATS Facility: Battelle Northwest Chemical CAS #: 1321-74-0 Lock Date: 04/16/02 Cage Range: All Reasons For Removal: All Removal Date Range: All Treatment Groups: Include All Page 1 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 _____________________________________________________________________________________________________________________ | 7| 7| 4| 7| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 7| 7| 5| 7| 4| 7| 7| 6| 5| 5| 7| DAY ON TEST | 1| 3| 7| 3| 3| 3| 3| 3| 5| 3| 3| 3| 3| 3| 2| 0| 3| 3| 3| 3| 3| 8| 4| 1| 3| | 6| 3| 7| 3| 3| 2| 2| 2| 5| 2| 2| 3| 2| 2| 2| 3| 3| 2| 7| 2| 2| 7| 9| 5| 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 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 | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM | | |__________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + A + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + A A + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + A A + + A + + + + + +| |__________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Clear Cell Focus | 2 1 2 3 | Hepatodiaphragmatic Nodule | 4 4 | Vacuolization Cytoplasmic | 2 3 2 | Periportal, Inflammation, Chronic | 2 | Portal, Bile Stasis | 3 | |__________________________________________________________________________| Mesentery | + + + + + + +| Necrosis | 3 3 3 3 3 3 3| |__________________________________________________________________________| Oral Mucosa | | Pharyngeal, Ulcer | | |__________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Acinus, Atrophy | 3 1 | |__________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Ulcer | 4 | |__________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Epithelium, Hyperplasia | | __________________________________________|__________________________________________________________________________| Page 2 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 _____________________________________________________________________________________________________________________ | 7| 7| 4| 7| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 7| 7| 5| 7| 4| 7| 7| 6| 5| 5| 7| DAY ON TEST | 1| 3| 7| 3| 3| 3| 3| 3| 5| 3| 3| 3| 3| 3| 2| 0| 3| 3| 3| 3| 3| 8| 4| 1| 3| | 6| 3| 7| 3| 3| 2| 2| 2| 5| 2| 2| 3| 2| 2| 2| 3| 3| 2| 7| 2| 2| 7| 9| 5| 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 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 | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM - cont | | |__________________________________________________________________________| Tongue | | Epithelium, Hyperplasia | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | |__________________________________________________________________________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | |__________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Vacuolization Cytoplasmic | 1 4 2 4 1 1 2| |__________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 | |__________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + M| |__________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 2 4 | Pars Distalis, Angiectasis | 3 | Pars Distalis, Hyperplasia | 3 3 | |__________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Ultimobranchial Cyst | | C-Cell, Hyperplasia | 2 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | |__________________________________________________________________________| Peritoneum | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | |__________________________________________________________________________| Clitoral Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________| Page 3 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 _____________________________________________________________________________________________________________________ | 7| 7| 4| 7| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 7| 7| 5| 7| 4| 7| 7| 6| 5| 5| 7| DAY ON TEST | 1| 3| 7| 3| 3| 3| 3| 3| 5| 3| 3| 3| 3| 3| 2| 0| 3| 3| 3| 3| 3| 8| 4| 1| 3| | 6| 3| 7| 3| 3| 2| 2| 2| 5| 2| 2| 3| 2| 2| 2| 3| 3| 2| 7| 2| 2| 7| 9| 5| 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 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 | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| GENITAL SYSTEM - cont | | Cyst | 4 | Hyperplasia | 3 | Inflammation, Chronic | | |__________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 4 4 | Bilateral, Cyst | 3| |__________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Endometrium, Hyperplasia | 2 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | |__________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Lymph Node | + + + | |__________________________________________________________________________| Lymph Node, Bronchial | M M M + M M M + M M M M M M M + M M + M M M M M +| |__________________________________________________________________________| Lymph Node, Mandibular | M M M M M M M M M M M + M M M M M M M M M M M M M| |__________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Infiltration Cellular, Histiocyte | 3 | |__________________________________________________________________________| Lymph Node, Mediastinal | + M + + M M + + M + + M M M M + + + M + + + M + M| Hyperplasia, Lymphoid | 4 | Infiltration Cellular, Histiocyte | 3 | Inflammation, Suppurative | | |__________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Accessory Spleen | X X | Fibrosis | 3 3 3 | Hemorrhage | | |__________________________________________________________________________| Thymus | + + + + + + + M + + + + + M + + + + + + + + M + +| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | |__________________________________________________________________________| __________________________________________|__________________________________________________________________________| Page 4 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 _____________________________________________________________________________________________________________________ | 7| 7| 4| 7| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 7| 7| 5| 7| 4| 7| 7| 6| 5| 5| 7| DAY ON TEST | 1| 3| 7| 3| 3| 3| 3| 3| 5| 3| 3| 3| 3| 3| 2| 0| 3| 3| 3| 3| 3| 8| 4| 1| 3| | 6| 3| 7| 3| 3| 2| 2| 2| 5| 2| 2| 3| 2| 2| 2| 3| 3| 2| 7| 2| 2| 7| 9| 5| 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 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 | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| INTEGUMENTARY SYSTEM - cont | | Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Galactocele | | |__________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Ulcer | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | |__________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Skeletal Muscle | + + | Necrosis | 4 | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | |__________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Compression | 3 4 2 4 | Hemorrhage | | |__________________________________________________________________________| Peripheral Nerve | + | |__________________________________________________________________________| Spinal Cord | + | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | |__________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| Epiglottis, Metaplasia, Squamous | | |__________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | 4 | Hemorrhage | 2 | Infiltration Cellular, Histiocyte | 4 | Inflammation, Chronic, Diffuse | 3 | Inflammation, Chronic, Focal | 1 1 1 1 1 1 1 1 1 1 1| Alveolar Epithelium, Hyperplasia | 2 1 | Alveolar Epithelium, Hypertrophy | 1 | Alveolus, Infiltration Cellular, | | Focal, Histiocyte | 1 1 1 1 | __________________________________________|__________________________________________________________________________| Page 5 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 _____________________________________________________________________________________________________________________ | 7| 7| 4| 7| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 7| 7| 5| 7| 4| 7| 7| 6| 5| 5| 7| DAY ON TEST | 1| 3| 7| 3| 3| 3| 3| 3| 5| 3| 3| 3| 3| 3| 2| 0| 3| 3| 3| 3| 3| 8| 4| 1| 3| | 6| 3| 7| 3| 3| 2| 2| 2| 5| 2| 2| 3| 2| 2| 2| 3| 3| 2| 7| 2| 2| 7| 9| 5| 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 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 | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| RESPIRATORY SYSTEM - cont | | Mediastinum, Necrosis, Fatty | 4 | |__________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Foreign Body | 3 | Inflammation, Suppurative | 3 2 1 | Ulcer | | Goblet Cell, Hyperplasia | | Nasolacrimal Duct, Inflammation, | | Suppurative | 3 | Olfactory Epithelium, Degeneration, | | Hyaline | 3 1 2 1 1 2 1 | Olfactory Epithelium, Regeneration, | | Focal | | Respiratory Epithelium, Degeneration,| | Hyaline | 3 1 | Respiratory Epithelium, Hyperplasia | | |__________________________________________________________________________| Pleura | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrosis | 2 | |__________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | |__________________________________________________________________________| Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | | Cornea, Inflammation | 2 | Lens, Cataract | | |__________________________________________________________________________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | 4 | |__________________________________________________________________________| Zymbal's Gland | + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | |__________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Nephropathy, Chronic | 1 1 3 1 2 1 2 1 1 1 1| __________________________________________|__________________________________________________________________________| Page 6 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 _____________________________________________________________________________________________________________________ | 7| 7| 4| 7| 7| 7| 7| 7| 4| 7| 7| 7| 7| 7| 7| 7| 5| 7| 4| 7| 7| 6| 5| 5| 7| DAY ON TEST | 1| 3| 7| 3| 3| 3| 3| 3| 5| 3| 3| 3| 3| 3| 2| 0| 3| 3| 3| 3| 3| 8| 4| 1| 3| | 6| 3| 7| 3| 3| 2| 2| 2| 5| 2| 2| 3| 2| 2| 2| 3| 3| 2| 7| 2| 2| 7| 9| 5| 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 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 | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| URINARY SYSTEM - cont | | Cortex, Renal Tubule, Hyperplasia | 3 | Pelvis, Transitional Epithelium, | | Hyperplasia | 2 | Pelvis, Transitional Epithelium, | | Mineralization | 2 | Renal Tubule, Dilatation | 4 | |__________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Transitional Epithelium, Hyperplasia | | __________________________________________|__________________________________________________________________________ Page 7 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 5| 7| 4| 6| 7| 4| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| | DAY ON TEST | 1| 3| 3| 3| 3| 3| 0| 3| 3| 2| 3| 3| 3| 3| 3| 3| 3| 3| 9| 3| 3| 3| 3| 3| 3| | | 0| 1| 2| 2| 2| 1| 1| 2| 7| 5| 2| 6| 1| 1| 2| 1| 1| 3| 4| 2| 1| 2| 3| 3| 2| | __________________________________________|__________________________________________________________________________| 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 | 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| A | CONTROL | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Intestine Large, Cecum | A + + + + + + + + + + A + + + + + + + + + + + + +| 47 | |__________________________________________________________________________|____________| Intestine Small, Duodenum | A + + + + + + + + + + + + + + + + + + + + + + + +| 49 | |__________________________________________________________________________|____________| Intestine Small, Jejunum | A + + + + + + + + + + A + + + + + + + + + + + + +| 46 | |__________________________________________________________________________|____________| Intestine Small, Ileum | A + + + + + + + + + + A + + + + + + + + + + + + +| 45 | |__________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Clear Cell Focus | 2 | 5 2.0| Hepatodiaphragmatic Nodule | 4 4 4 | 5 4.0| Vacuolization Cytoplasmic | 1| 4 2.0| Periportal, Inflammation, Chronic | 2 3 | 3 2.3| Portal, Bile Stasis | | 1 3.0| |__________________________________________________________________________|____________| Mesentery | + + + + + + + + | 15 | Necrosis | 3 3 3 3 3 3 3 | 14 3.0| |__________________________________________________________________________|____________| Oral Mucosa | + | 1 | Pharyngeal, Ulcer | 4 | 1 4.0| |__________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Acinus, Atrophy | 1 | 3 1.7| |__________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________|____________| * : 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: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 5| 7| 4| 6| 7| 4| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| | DAY ON TEST | 1| 3| 3| 3| 3| 3| 0| 3| 3| 2| 3| 3| 3| 3| 3| 3| 3| 3| 9| 3| 3| 3| 3| 3| 3| | | 0| 1| 2| 2| 2| 1| 1| 2| 7| 5| 2| 6| 1| 1| 2| 1| 1| 3| 4| 2| 1| 2| 3| 3| 2| | __________________________________________|__________________________________________________________________________| 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 | 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| A | CONTROL | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM - cont | | | Ulcer | | 1 4.0| |__________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Epithelium, Hyperplasia | 2 | 1 2.0| |__________________________________________________________________________|____________| Tongue | + | 1 | Epithelium, Hyperplasia | 4 | 1 4.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | |__________________________________________________________________________|____________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | |__________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Vacuolization Cytoplasmic | 2 1 2 1 4 1 1| 14 1.9| |__________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | | 1 2.0| |__________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | |__________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | 4 4 4 3 | 6 3.5| Pars Distalis, Angiectasis | | 1 3.0| Pars Distalis, Hyperplasia | 3 3| 4 3.0| |__________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Ultimobranchial Cyst | 2 | 1 2.0| C-Cell, Hyperplasia | 3 3 2 4 | 5 2.8| _____________________________________________________________________________________________________________________|____________| * : 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: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 5| 7| 4| 6| 7| 4| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| | DAY ON TEST | 1| 3| 3| 3| 3| 3| 0| 3| 3| 2| 3| 3| 3| 3| 3| 3| 3| 3| 9| 3| 3| 3| 3| 3| 3| | | 0| 1| 2| 2| 2| 1| 1| 2| 7| 5| 2| 6| 1| 1| 2| 1| 1| 3| 4| 2| 1| 2| 3| 3| 2| | __________________________________________|__________________________________________________________________________| 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 | 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| A | CONTROL | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | _____________________________________________________________________________________________________________________|____________| GENERAL BODY SYSTEM | | | |__________________________________________________________________________|____________| Peritoneum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | |__________________________________________________________________________|____________| Clitoral Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | 3 4 | 3 3.7| Hyperplasia | | 1 3.0| Inflammation, Chronic | 3 4 | 2 3.5| |__________________________________________________________________________|____________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | 4 2 4| 5 3.6| Bilateral, Cyst | | 1 3.0| |__________________________________________________________________________|____________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Endometrium, Hyperplasia | 3 | 2 2.5| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | |__________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Lymph Node | + + + | 6 | |__________________________________________________________________________|____________| Lymph Node, Bronchial | M M M M M M M M M + M M M + M M M M M M + M M M M| 8 | |__________________________________________________________________________|____________| Lymph Node, Mandibular | M M M M M M + M M M M M M + M M M M M M M M M M M| 3 | |__________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Infiltration Cellular, Histiocyte | 2 | 2 2.5| |__________________________________________________________________________|____________| Lymph Node, Mediastinal | + M + + + + + + + + + + + + M M + M + + M + + M M| 32 | Hyperplasia, Lymphoid | | 1 4.0| Infiltration Cellular, Histiocyte | 3 | 2 3.0| Inflammation, Suppurative | 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 10 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 5| 7| 4| 6| 7| 4| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| | DAY ON TEST | 1| 3| 3| 3| 3| 3| 0| 3| 3| 2| 3| 3| 3| 3| 3| 3| 3| 3| 9| 3| 3| 3| 3| 3| 3| | | 0| 1| 2| 2| 2| 1| 1| 2| 7| 5| 2| 6| 1| 1| 2| 1| 1| 3| 4| 2| 1| 2| 3| 3| 2| | __________________________________________|__________________________________________________________________________| 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 | 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| A | CONTROL | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | _____________________________________________________________________________________________________________________|____________| HEMATOPOIETIC SYSTEM - cont | | | |__________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Accessory Spleen | | 2 | Fibrosis | | 3 3.0| Hemorrhage | 4 3 | 2 3.5| |__________________________________________________________________________|____________| Thymus | + + + + + + + + + + + M + + + + + + + + M + + + +| 45 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Galactocele | 1 | 1 1.0| |__________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Ulcer | 4 | 1 4.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | |__________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Skeletal Muscle | | 2 | Necrosis | | 1 4.0| _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | |__________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Compression | 3 3 4 2 3 | 9 3.1| Hemorrhage | 1 1 | 2 1.0| |__________________________________________________________________________|____________| Peripheral Nerve | | 1 | |__________________________________________________________________________|____________| Spinal Cord | | 1 | _____________________________________________________________________________________________________________________| | 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 11 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 5| 7| 4| 6| 7| 4| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| | DAY ON TEST | 1| 3| 3| 3| 3| 3| 0| 3| 3| 2| 3| 3| 3| 3| 3| 3| 3| 3| 9| 3| 3| 3| 3| 3| 3| | | 0| 1| 2| 2| 2| 1| 1| 2| 7| 5| 2| 6| 1| 1| 2| 1| 1| 3| 4| 2| 1| 2| 3| 3| 2| | __________________________________________|__________________________________________________________________________| 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 | 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| A | CONTROL | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | _____________________________________________________________________________________________________________________|____________| RESPIRATORY SYSTEM - cont | | | |__________________________________________________________________________|____________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Epiglottis, Metaplasia, Squamous | 2| 1 2.0| |__________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Atrophy | | 1 4.0| Hemorrhage | | 1 2.0| Infiltration Cellular, Histiocyte | | 1 4.0| Inflammation, Chronic, Diffuse | | 1 3.0| Inflammation, Chronic, Focal | 1 1 2 2 1 2 1 1 2 1 1 1 2 2 1 2 | 27 1.3| Alveolar Epithelium, Hyperplasia | 4 2 | 4 2.3| Alveolar Epithelium, Hypertrophy | | 1 1.0| Alveolus, Infiltration Cellular, | | | Focal, Histiocyte | 2 1 1 1 | 8 1.1| Mediastinum, Necrosis, Fatty | | 1 4.0| |__________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Foreign Body | | 1 3.0| Inflammation, Suppurative | 4 2 | 5 2.4| Ulcer | 4 | 1 4.0| Goblet Cell, Hyperplasia | 2 | 1 2.0| Nasolacrimal Duct, Inflammation, | | | Suppurative | 1 2 | 3 2.0| Olfactory Epithelium, Degeneration, | | | Hyaline | 1 2 1 | 10 1.5| Olfactory Epithelium, Regeneration, | | | Focal | 1 | 1 1.0| Respiratory Epithelium, Degeneration,| | | Hyaline | 1 2 2 | 5 1.8| Respiratory Epithelium, Hyperplasia | 2 | 1 2.0| |__________________________________________________________________________|____________| Pleura | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Fibrosis | | 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 12 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 5| 7| 4| 6| 7| 4| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| 7| | DAY ON TEST | 1| 3| 3| 3| 3| 3| 0| 3| 3| 2| 3| 3| 3| 3| 3| 3| 3| 3| 9| 3| 3| 3| 3| 3| 3| | | 0| 1| 2| 2| 2| 1| 1| 2| 7| 5| 2| 6| 1| 1| 2| 1| 1| 3| 4| 2| 1| 2| 3| 3| 2| | __________________________________________|__________________________________________________________________________| 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 | 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| A | CONTROL | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | _____________________________________________________________________________________________________________________|____________| RESPIRATORY SYSTEM - cont | | | Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | |__________________________________________________________________________|____________| Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic | 1 | 1 1.0| Cornea, Inflammation | | 1 2.0| Lens, Cataract | 4 | 1 4.0| |__________________________________________________________________________|____________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Suppurative | | 1 4.0| |__________________________________________________________________________|____________| Zymbal's Gland | | 1 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | |__________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Nephropathy, Chronic | 2 1 1 1 3 1 2 1| 19 1.4| Cortex, Renal Tubule, Hyperplasia | | 1 3.0| Pelvis, Transitional Epithelium, | | | Hyperplasia | | 1 2.0| Pelvis, Transitional Epithelium, | | | Mineralization | | 1 2.0| Renal Tubule, Dilatation | | 1 4.0| |__________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Transitional Epithelium, Hyperplasia | 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 13 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 6| 6| 7| 5| 7| 7| 7| 4| 7| 7| 6| 7| 6| 6| 7| 7| 7| 7| DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 4| 9| 3| 4| 3| 3| 1| 8| 3| 3| 7| 3| 1| 8| 3| 3| 3| 3| | 3| 2| 2| 2| 1| 2| 3| 2| 6| 3| 2| 1| 2| 5| 7| 3| 2| 0| 2| 7| 8| 2| 3| 2| 3| __________________________________________|__________________________________________________________________________| | 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| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 100 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM | | |__________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + A + + + + + + +| Epithelium, Metaplasia, Focal, | | Squamous | 3 | |__________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + A + + + + + + +| |__________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + A + + + + + + +| |__________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + A + + + + + + +| |__________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + A + + + + + + +| |__________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + A + + + + + + +| |__________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Clear Cell Focus | X 3 X 3 | Hepatodiaphragmatic Nodule | 4 4 4 4 4| Vacuolization Cytoplasmic | | Hepatocyte, Regeneration | 4 | Periportal, Inflammation, Chronic | 2 | Portal, Bile Stasis | | |__________________________________________________________________________| Mesentery | + + + + + + + + + +| Necrosis | 3 3 3 3 3 3 3 3 3 3| |__________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + M + + + + +| Acinus, Atrophy | 1 | |__________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Chronic | | |__________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Focal, Squamous | | Ulcer | 3 | |__________________________________________________________________________| __________________________________________|__________________________________________________________________________| Page 14 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 6| 6| 7| 5| 7| 7| 7| 4| 7| 7| 6| 7| 6| 6| 7| 7| 7| 7| DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 4| 9| 3| 4| 3| 3| 1| 8| 3| 3| 7| 3| 1| 8| 3| 3| 3| 3| | 3| 2| 2| 2| 1| 2| 3| 2| 6| 3| 2| 1| 2| 5| 7| 3| 2| 0| 2| 7| 8| 2| 3| 2| 3| __________________________________________|__________________________________________________________________________| | 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| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 100 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM - cont | | Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Tongue | + | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | |__________________________________________________________________________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrium, Thrombosis | 4 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | |__________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 2 | Necrosis | 4 | Vacuolization Cytoplasmic | 2 2 1 | |__________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 | |__________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 3 3 1 | Pars Distalis, Hyperplasia | 3 2 4 3| |__________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| C-Cell, Hyperplasia | 2 1 3 1 | Follicular Cell, Hyperplasia | 2 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | |__________________________________________________________________________| Peritoneum | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | __________________________________________|__________________________________________________________________________| Page 15 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 6| 6| 7| 5| 7| 7| 7| 4| 7| 7| 6| 7| 6| 6| 7| 7| 7| 7| DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 4| 9| 3| 4| 3| 3| 1| 8| 3| 3| 7| 3| 1| 8| 3| 3| 3| 3| | 3| 2| 2| 2| 1| 2| 3| 2| 6| 3| 2| 1| 2| 5| 7| 3| 2| 0| 2| 7| 8| 2| 3| 2| 3| __________________________________________|__________________________________________________________________________| | 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| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 100 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| GENITAL SYSTEM - cont | | |__________________________________________________________________________| Clitoral Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 4 | Inflammation, Chronic | 2 | |__________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 4 2 4 3 | |__________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Necrosis | | Endometrium, Hyperplasia | 2 | |__________________________________________________________________________| Vagina | + | Inflammation, Suppurative | 4 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | |__________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Lymph Node | + + + + + | Deep Cervical, Infiltration Cellular,| | Histiocyte | 3 3 | Pancreatic, Pigmentation | 4 | |__________________________________________________________________________| Lymph Node, Bronchial | M M M M M M + M M M M M M M M M M M + + M M M + M| |__________________________________________________________________________| Lymph Node, Mandibular | M M M M M M M M M M M M M M M M M M + M M M M M M| |__________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Infiltration Cellular, Histiocyte | | |__________________________________________________________________________| Lymph Node, Mediastinal | + M + + M + M M + + + + M + + + + + + + + + + M M| Infiltration Cellular, Histiocyte | 3 | |__________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Accessory Spleen | X | Fibrosis | | Hematopoietic Cell Proliferation | | __________________________________________|__________________________________________________________________________| Page 16 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 6| 6| 7| 5| 7| 7| 7| 4| 7| 7| 6| 7| 6| 6| 7| 7| 7| 7| DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 4| 9| 3| 4| 3| 3| 1| 8| 3| 3| 7| 3| 1| 8| 3| 3| 3| 3| | 3| 2| 2| 2| 1| 2| 3| 2| 6| 3| 2| 1| 2| 5| 7| 3| 2| 0| 2| 7| 8| 2| 3| 2| 3| __________________________________________|__________________________________________________________________________| | 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| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 100 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | Hemorrhage | 4 | Hyperplasia, Focal, Lymphoid | 3 | |__________________________________________________________________________| Thymus | + + + + + + + M + + + + + + + M + + + + + + + M +| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | |__________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Galactocele | 2 | |__________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst Epithelial Inclusion | 4 | Hyperkeratosis | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | |__________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Joint, Fracture | | |__________________________________________________________________________| Skeletal Muscle | + | Inflammation, Chronic | | Necrosis | | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | |__________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Compression | 3 2 2 3 | Congestion | | Hemorrhage | 4 4 | |__________________________________________________________________________| Peripheral Nerve | + | |__________________________________________________________________________| Spinal Cord | + I | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | |__________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| Foreign Body | | __________________________________________|__________________________________________________________________________| Page 17 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 6| 6| 7| 5| 7| 7| 7| 4| 7| 7| 6| 7| 6| 6| 7| 7| 7| 7| DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 4| 9| 3| 4| 3| 3| 1| 8| 3| 3| 7| 3| 1| 8| 3| 3| 3| 3| | 3| 2| 2| 2| 1| 2| 3| 2| 6| 3| 2| 1| 2| 5| 7| 3| 2| 0| 2| 7| 8| 2| 3| 2| 3| __________________________________________|__________________________________________________________________________| | 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| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 100 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| RESPIRATORY SYSTEM - cont | | Inflammation, Suppurative | 2 | |__________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 1 | Inflammation, Chronic, Focal | 1 2 1 2 2 2 1 1 2 3 2 1| Alveolar Epithelium, Hyperplasia | 1 2 | Alveolar Epithelium, Hypertrophy | 1 | Alveolus, Infiltration Cellular, | | Focal, Histiocyte | 1 2 1 | |__________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Foreign Body | 1 2 3 2| Inflammation, Suppurative | 1 2 2 2 2 3 2 1 | Glands, Dilatation | 2 1 2 1 1 2 2 1 1| Goblet Cell, Hyperplasia | 2 2 | Nasolacrimal Duct, Inflammation, | | Suppurative | | Olfactory Epithelium, Degeneration, | | Hyaline | 1 1 1 1 1 1 | Olfactory Epithelium, Degeneration | 2 1 1 2 2 1 2 1 2 1 1 2 2 1 1 2 2 2 2 1 2 2 2 2 2| Olfactory Epithelium, Hyperplasia, | | Basal Cell | 1 1 1 1 1 1 1 1 1 1 1 1 2 1 | Respiratory Epithelium, Degeneration,| | Hyaline | 2 2| |__________________________________________________________________________| Pleura | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | |__________________________________________________________________________| Ear | + | |__________________________________________________________________________| Eye | + + + + + + + + + + I + + + + + + A + + + + + + +| Ciliary Body, Inflammation | | Lens, Cataract | 3 4 1| |__________________________________________________________________________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________| Page 18 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 6| 6| 7| 5| 7| 7| 7| 4| 7| 7| 6| 7| 6| 6| 7| 7| 7| 7| DAY ON TEST | 3| 3| 3| 3| 3| 3| 3| 4| 9| 3| 4| 3| 3| 1| 8| 3| 3| 7| 3| 1| 8| 3| 3| 3| 3| | 3| 2| 2| 2| 1| 2| 3| 2| 6| 3| 2| 1| 2| 5| 7| 3| 2| 0| 2| 7| 8| 2| 3| 2| 3| __________________________________________|__________________________________________________________________________| | 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| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 100 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| SPECIAL SENSES SYSTEM - cont | | |__________________________________________________________________________| Lacrimal Gland | + | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | |__________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Nephropathy, Chronic | 1 1 2 2 1 1 1 1 | Cortex, Renal Tubule, Hyperplasia | 1 | |__________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________ Page 19 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 5| 6| 7| 7| 5| 7| 7| 6| 7| 7| 3| 7| 6| 7| 7| 5| 7| 7| 7| 7| 7| | DAY ON TEST | 3| 3| 3| 3| 6| 6| 0| 0| 4| 3| 3| 7| 3| 3| 7| 3| 3| 2| 3| 0| 3| 3| 1| 0| 3| | | 3| 3| 1| 2| 1| 6| 3| 3| 3| 2| 2| 0| 2| 3| 4| 2| 8| 9| 3| 6| 3| 3| 1| 8| 2| | __________________________________________|__________________________________________________________________________| 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 | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| A | 100 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Epithelium, Metaplasia, Focal, | | | Squamous | | 1 3.0| |__________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | |__________________________________________________________________________|____________| Intestine Large, Cecum | + + + + A + + + + + + + + + + + + + + + + + + + +| 48 | |__________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | |__________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | |__________________________________________________________________________|____________| Intestine Small, Ileum | + + + + A + + + + + + + + + + + + + + + + + + + +| 48 | |__________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Clear Cell Focus | 2 2 2 | 7 2.4| Hepatodiaphragmatic Nodule | 4 4 | 7 4.0| Vacuolization Cytoplasmic | 3 2 4 | 3 3.0| Hepatocyte, Regeneration | | 1 4.0| Periportal, Inflammation, Chronic | 4 | 2 3.0| Portal, Bile Stasis | 4 3 4 | 3 3.7| |__________________________________________________________________________|____________| Mesentery | + + + + + + + + + +| 20 | Necrosis | 3 3 3 3 3 3 3 3 3 3| 20 3.0| |__________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Acinus, Atrophy | 1 1 1 2 | 5 1.2| |__________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Chronic | 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 20 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 5| 6| 7| 7| 5| 7| 7| 6| 7| 7| 3| 7| 6| 7| 7| 5| 7| 7| 7| 7| 7| | DAY ON TEST | 3| 3| 3| 3| 6| 6| 0| 0| 4| 3| 3| 7| 3| 3| 7| 3| 3| 2| 3| 0| 3| 3| 1| 0| 3| | | 3| 3| 1| 2| 1| 6| 3| 3| 3| 2| 2| 0| 2| 3| 4| 2| 8| 9| 3| 6| 3| 3| 1| 8| 2| | __________________________________________|__________________________________________________________________________| 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 | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| A | 100 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM - cont | | | Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia, Focal, Squamous | 4 | 1 4.0| Ulcer | | 1 3.0| |__________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Tongue | | 1 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | |__________________________________________________________________________|____________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Atrium, Thrombosis | | 1 4.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | |__________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemorrhage | | 1 2.0| Necrosis | | 1 4.0| Vacuolization Cytoplasmic | 1 3 | 5 1.8| |__________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | | 1 2.0| |__________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Parathyroid Gland | + + + + M + + + + + + + + + + + + + + + + + + + +| 49 | |__________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | 2 4 4 | 6 2.8| Pars Distalis, Hyperplasia | 3 3 3 2| 8 2.9| |__________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________|____________| * : 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 21 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 5| 6| 7| 7| 5| 7| 7| 6| 7| 7| 3| 7| 6| 7| 7| 5| 7| 7| 7| 7| 7| | DAY ON TEST | 3| 3| 3| 3| 6| 6| 0| 0| 4| 3| 3| 7| 3| 3| 7| 3| 3| 2| 3| 0| 3| 3| 1| 0| 3| | | 3| 3| 1| 2| 1| 6| 3| 3| 3| 2| 2| 0| 2| 3| 4| 2| 8| 9| 3| 6| 3| 3| 1| 8| 2| | __________________________________________|__________________________________________________________________________| 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 | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| A | 100 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | _____________________________________________________________________________________________________________________|____________| ENDOCRINE SYSTEM - cont | | | C-Cell, Hyperplasia | 2 4 1 2 | 8 2.0| Follicular Cell, Hyperplasia | | 1 2.0| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | |__________________________________________________________________________|____________| Peritoneum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | |__________________________________________________________________________|____________| Clitoral Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 4 4| 3 4.0| Inflammation, Chronic | | 1 2.0| |__________________________________________________________________________|____________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | 2 1 | 6 2.7| |__________________________________________________________________________|____________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Necrosis | 4 | 1 4.0| Endometrium, Hyperplasia | | 1 2.0| |__________________________________________________________________________|____________| Vagina | + | 2 | Inflammation, Suppurative | | 1 4.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | |__________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Lymph Node | + + + + + | 10 | Deep Cervical, Infiltration Cellular,| | | Histiocyte | 4 | 3 3.3| Pancreatic, Pigmentation | | 1 4.0| |__________________________________________________________________________|____________| Lymph Node, Bronchial | M M M M M M M + M M M + M M M M + M + M M M M + M| 9 | |__________________________________________________________________________|____________| _____________________________________________________________________________________________________________________|____________| * : 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 22 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 5| 6| 7| 7| 5| 7| 7| 6| 7| 7| 3| 7| 6| 7| 7| 5| 7| 7| 7| 7| 7| | DAY ON TEST | 3| 3| 3| 3| 6| 6| 0| 0| 4| 3| 3| 7| 3| 3| 7| 3| 3| 2| 3| 0| 3| 3| 1| 0| 3| | | 3| 3| 1| 2| 1| 6| 3| 3| 3| 2| 2| 0| 2| 3| 4| 2| 8| 9| 3| 6| 3| 3| 1| 8| 2| | __________________________________________|__________________________________________________________________________| 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 | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| A | 100 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | _____________________________________________________________________________________________________________________|____________| HEMATOPOIETIC SYSTEM - cont | | | Lymph Node, Mandibular | M M M M M M M M M M M M M M M M M M M M M M M M M| 1 | |__________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Infiltration Cellular, Histiocyte | 3 | 1 3.0| |__________________________________________________________________________|____________| Lymph Node, Mediastinal | M M M + M + + + + M + + M + + + + + + + + + + + +| 37 | Infiltration Cellular, Histiocyte | | 1 3.0| |__________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Accessory Spleen | | 1 | Fibrosis | 4 | 1 4.0| Hematopoietic Cell Proliferation | 4 | 1 4.0| Hemorrhage | | 1 4.0| Hyperplasia, Focal, Lymphoid | 4 | 2 3.5| |__________________________________________________________________________|____________| Thymus | + M M M + + M + + M + + M + + + + + + + + + + + +| 41 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Galactocele | 2 | 2 2.0| |__________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst Epithelial Inclusion | 4 | 2 4.0| Hyperkeratosis | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | |__________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Joint, Fracture | 4 | 1 4.0| |__________________________________________________________________________|____________| Skeletal Muscle | + + | 3 | Inflammation, Chronic | 4 | 1 4.0| Necrosis | 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 23 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 5| 6| 7| 7| 5| 7| 7| 6| 7| 7| 3| 7| 6| 7| 7| 5| 7| 7| 7| 7| 7| | DAY ON TEST | 3| 3| 3| 3| 6| 6| 0| 0| 4| 3| 3| 7| 3| 3| 7| 3| 3| 2| 3| 0| 3| 3| 1| 0| 3| | | 3| 3| 1| 2| 1| 6| 3| 3| 3| 2| 2| 0| 2| 3| 4| 2| 8| 9| 3| 6| 3| 3| 1| 8| 2| | __________________________________________|__________________________________________________________________________| 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 | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| A | 100 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | _____________________________________________________________________________________________________________________|____________| NERVOUS SYSTEM | | | |__________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Compression | 4 3 3 3 4 4 | 10 3.1| Congestion | 1 | 1 1.0| Hemorrhage | | 2 4.0| |__________________________________________________________________________|____________| Peripheral Nerve | + | 2 | |__________________________________________________________________________|____________| Spinal Cord | + | 2 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | |__________________________________________________________________________|____________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Foreign Body | 4 | 1 4.0| Inflammation, Suppurative | 2 | 2 2.0| |__________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemorrhage | | 1 1.0| Inflammation, Chronic, Focal | 1 1 1 1 1 1 1 1 1 1 | 22 1.4| Alveolar Epithelium, Hyperplasia | | 2 1.5| Alveolar Epithelium, Hypertrophy | | 1 1.0| Alveolus, Infiltration Cellular, | | | Focal, Histiocyte | | 3 1.3| |__________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Foreign Body | 2 | 5 2.0| Inflammation, Suppurative | 1 1 2 1 | 12 1.7| Glands, Dilatation | 1 1 1 2 1 1 1 1| 17 1.3| Goblet Cell, Hyperplasia | 1 | 3 1.7| Nasolacrimal Duct, Inflammation, | | | Suppurative | 3 | 1 3.0| Olfactory Epithelium, Degeneration, | | | Hyaline | 1 2 1 1 1 1 1 1 | 14 1.1| Olfactory Epithelium, Degeneration | 1 1 1 2 2 1 1 2 1 2 2 1 2 2 1 2 1 1 2 1 1 1 2 1 2| 50 1.5| _____________________________________________________________________________________________________________________|____________| * : 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 24 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 5| 6| 7| 7| 5| 7| 7| 6| 7| 7| 3| 7| 6| 7| 7| 5| 7| 7| 7| 7| 7| | DAY ON TEST | 3| 3| 3| 3| 6| 6| 0| 0| 4| 3| 3| 7| 3| 3| 7| 3| 3| 2| 3| 0| 3| 3| 1| 0| 3| | | 3| 3| 1| 2| 1| 6| 3| 3| 3| 2| 2| 0| 2| 3| 4| 2| 8| 9| 3| 6| 3| 3| 1| 8| 2| | __________________________________________|__________________________________________________________________________| 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 | 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| A | 100 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | _____________________________________________________________________________________________________________________|____________| RESPIRATORY SYSTEM - cont | | | Olfactory Epithelium, Hyperplasia, | | | Basal Cell | 1 1 1 1 1 1 1 1 1 1 1 | 25 1.0| Respiratory Epithelium, Degeneration,| | | Hyaline | 2 | 3 2.0| |__________________________________________________________________________|____________| Pleura | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | |__________________________________________________________________________|____________| Ear | | 1 | |__________________________________________________________________________|____________| Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Ciliary Body, Inflammation | 2 | 1 2.0| Lens, Cataract | | 3 2.7| |__________________________________________________________________________|____________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Lacrimal Gland | | 1 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | |__________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Nephropathy, Chronic | 1 1 1 2 1 1 1 1 1 2 2 1 2 | 21 1.3| Cortex, Renal Tubule, Hyperplasia | | 1 1.0| |__________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | __________________________________________________________________________________________________________________________________ * : 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 25 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 5| 7| 7| 7| 4| 7| 7| 7| 7| 6| 7| 5| 7| 7| 3| 7| 7| 6| 7| 7| 7| DAY ON TEST | 3| 3| 3| 3| 8| 3| 3| 3| 8| 1| 3| 3| 2| 5| 3| 0| 3| 3| 7| 2| 1| 6| 3| 3| 3| | 2| 1| 3| 2| 2| 3| 2| 1| 1| 5| 3| 3| 6| 4| 3| 0| 3| 3| 4| 2| 1| 6| 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 | 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| 200 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM | | |__________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Clear Cell Focus | 4 2 4 | Hepatodiaphragmatic Nodule | 4 4 | Necrosis | 3 | Bile Duct, Hyperplasia | 4 | Hepatocyte, Regeneration | | Periportal, Inflammation, Chronic | 2 | Portal, Bile Stasis | 4 | Serosa, Fibrosis | | |__________________________________________________________________________| Mesentery | + + + + + + + + | Necrosis | 4 3 3 3 3 3 3 | |__________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Acinus, Atrophy | | |__________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Focal, Squamous | | Ulcer | | |__________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________| Page 26 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 5| 7| 7| 7| 4| 7| 7| 7| 7| 6| 7| 5| 7| 7| 3| 7| 7| 6| 7| 7| 7| DAY ON TEST | 3| 3| 3| 3| 8| 3| 3| 3| 8| 1| 3| 3| 2| 5| 3| 0| 3| 3| 7| 2| 1| 6| 3| 3| 3| | 2| 1| 3| 2| 2| 3| 2| 1| 1| 5| 3| 3| 6| 4| 3| 0| 3| 3| 4| 2| 1| 6| 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 | 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| 200 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM - cont | | Erosion | 2 | Ulcer | 4 | |__________________________________________________________________________| Tongue | + | Epithelium, Hyperplasia | 3 | |__________________________________________________________________________| Tooth | + | Peridontal Tissue, Inflammation | 4 | Pulp, Inflammation, Suppurative | 4 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | |__________________________________________________________________________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrium, Thrombosis | 4 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | |__________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Accessory Adrenal Cortical Nodule | 4 | Vacuolization Cytoplasmic | 1 1 1 | |__________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 4 2 2 | |__________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Parathyroid Gland | + M + + + + + + + + + + + + + + + + + + M + + + +| Hyperplasia | | |__________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | | Pars Distalis, Hyperplasia | 3 | |__________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| C-Cell, Hyperplasia | 1 | __________________________________________|__________________________________________________________________________| Page 27 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 5| 7| 7| 7| 4| 7| 7| 7| 7| 6| 7| 5| 7| 7| 3| 7| 7| 6| 7| 7| 7| DAY ON TEST | 3| 3| 3| 3| 8| 3| 3| 3| 8| 1| 3| 3| 2| 5| 3| 0| 3| 3| 7| 2| 1| 6| 3| 3| 3| | 2| 1| 3| 2| 2| 3| 2| 1| 1| 5| 3| 3| 6| 4| 3| 0| 3| 3| 4| 2| 1| 6| 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 | 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| 200 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| GENERAL BODY SYSTEM | | |__________________________________________________________________________| Peritoneum | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | |__________________________________________________________________________| Clitoral Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 4 | Hyperplasia | 2 | Inflammation, Chronic | | |__________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 1 2 4 4 3 | |__________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 4 | Endometrium, Hyperplasia | | Myometrium, Hyperplasia | 3 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | |__________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| Myelofibrosis | 3 | |__________________________________________________________________________| Lymph Node | + + + + | Pancreatic, Pigmentation | 4 | |__________________________________________________________________________| Lymph Node, Bronchial | M M M M M M M M M + M M M M M + M M M M M + M + M| |__________________________________________________________________________| Lymph Node, Mandibular | M M M M M M M M M + M M M M M M M M M M M M M M M| |__________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Infiltration Cellular, Histiocyte | 3 4 | |__________________________________________________________________________| Lymph Node, Mediastinal | + + M + + + M + + + + M + + + + + + + + + + + + +| Fibrosis | 3 | Hyperplasia, Lymphoid | 3 | |__________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________| Page 28 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 5| 7| 7| 7| 4| 7| 7| 7| 7| 6| 7| 5| 7| 7| 3| 7| 7| 6| 7| 7| 7| DAY ON TEST | 3| 3| 3| 3| 8| 3| 3| 3| 8| 1| 3| 3| 2| 5| 3| 0| 3| 3| 7| 2| 1| 6| 3| 3| 3| | 2| 1| 3| 2| 2| 3| 2| 1| 1| 5| 3| 3| 6| 4| 3| 0| 3| 3| 4| 2| 1| 6| 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 | 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| 200 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | Accessory Spleen | | Fibrosis | 3 | Hemorrhage | 4 | Inflammation, Chronic Active | 3 | |__________________________________________________________________________| Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | |__________________________________________________________________________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | | Inflammation, Chronic | 3 | |__________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Ulcer | 4 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | |__________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Tibia, Fracture | | |__________________________________________________________________________| Skeletal Muscle | + + + | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | |__________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Compression | 3 2 4 3 3 | Hemorrhage | 4 3 4 1 | Infarct | | |__________________________________________________________________________| Peripheral Nerve | + + + | |__________________________________________________________________________| Spinal Cord | + + + | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | |__________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| Foreign Body | 4 4 4 | __________________________________________|__________________________________________________________________________| Page 29 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 5| 7| 7| 7| 4| 7| 7| 7| 7| 6| 7| 5| 7| 7| 3| 7| 7| 6| 7| 7| 7| DAY ON TEST | 3| 3| 3| 3| 8| 3| 3| 3| 8| 1| 3| 3| 2| 5| 3| 0| 3| 3| 7| 2| 1| 6| 3| 3| 3| | 2| 1| 3| 2| 2| 3| 2| 1| 1| 5| 3| 3| 6| 4| 3| 0| 3| 3| 4| 2| 1| 6| 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 | 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| 200 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| RESPIRATORY SYSTEM - cont | | Inflammation, Suppurative | 2 | |__________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | | Foreign Body | 2 | Hemorrhage | | Inflammation, Chronic, Focal | 2 1 1 2 1 2 4 1 1 1 1 1 1 | Inflammation, Chronic | 2 | Alveolar Epithelium, Hyperplasia | 1 3 | Alveolus, Infiltration Cellular, | | Focal, Histiocyte | 2 1 1 1| |__________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Foreign Body | | Inflammation, Suppurative | 1 2 2 1 | Glands, Dilatation | 2 1 1 2 1 1 1 2 2 1 1 1 2 1 1 1 1 1| Goblet Cell, Hyperplasia | 1 | Nasolacrimal Duct, Inflammation, | | Suppurative | 3 3| Nasopharyngeal Duct, Inflammation, | | Suppurative | 3 | Olfactory Epithelium, Degeneration, | | Hyaline | 2 1 1 | Olfactory Epithelium, Degeneration | 2 1 2 2 2 2 1 2 1 1 2 1 2 2 2 2 2 2 1 2 2 1 2 2 2| Olfactory Epithelium, Hyperplasia, | | Basal Cell | 2 1 1 1 1 1 1 1 1 2 2 2 2 1 1 1 2 1 1 1| Respiratory Epithelium, Degeneration,| | Hyaline | 1 2 | Respiratory Epithelium, Hyperplasia | 3 | |__________________________________________________________________________| Pleura | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| Glands, Degeneration, Cystic | 1 | _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | |__________________________________________________________________________| Ear | + + | __________________________________________|__________________________________________________________________________| Page 30 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 5| 7| 7| 7| 4| 7| 7| 7| 7| 6| 7| 5| 7| 7| 3| 7| 7| 6| 7| 7| 7| DAY ON TEST | 3| 3| 3| 3| 8| 3| 3| 3| 8| 1| 3| 3| 2| 5| 3| 0| 3| 3| 7| 2| 1| 6| 3| 3| 3| | 2| 1| 3| 2| 2| 3| 2| 1| 1| 5| 3| 3| 6| 4| 3| 0| 3| 3| 4| 2| 1| 6| 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 | 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| 200 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| SPECIAL SENSES SYSTEM - cont | | |__________________________________________________________________________| Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | | Anterior Chamber, Hemorrhage | | Lens, Cataract | 4 3 | |__________________________________________________________________________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| URINARY SYSTEM | | |__________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | | Nephropathy, Chronic | 1 3 1 1 1 3 2 1 1| |__________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________ Page 31 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 __________________________________________________________________________________________________________________________________ | 7| 4| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 4| 6| | DAY ON TEST | 3| 9| 3| 3| 8| 3| 3| 3| 3| 1| 3| 3| 3| 3| 3| 3| 3| 3| 7| 3| 0| 3| 3| 9| 1| | | 2| 7| 1| 2| 6| 1| 2| 2| 2| 2| 3| 1| 2| 3| 2| 2| 2| 3| 3| 2| 4| 2| 2| 3| 4| | __________________________________________|__________________________________________________________________________| 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 | 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| A | 200 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Intestine Large, Colon | + + + + A + + + + + + + + + + + + + + + + + + + +| 49 | |__________________________________________________________________________|____________| Intestine Large, Rectum | + + + + A + + + + + + + + + + + + + + + + + + + +| 49 | |__________________________________________________________________________|____________| Intestine Large, Cecum | + + + + A + + + + + + + + + + + + + + + + + + + +| 49 | |__________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + A + + + + + + + + + + + + + + + + + + + +| 49 | |__________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + A + + + + + + + + + + + + + + + + + + + +| 49 | |__________________________________________________________________________|____________| Intestine Small, Ileum | + + + + A + + + + + + + + + + + + + + + + + + + +| 49 | |__________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Clear Cell Focus | X X 1 | 6 2.8| Hepatodiaphragmatic Nodule | 4 4 1 4 | 6 3.5| Necrosis | | 1 3.0| Bile Duct, Hyperplasia | | 1 4.0| Hepatocyte, Regeneration | 4 | 1 4.0| Periportal, Inflammation, Chronic | | 1 2.0| Portal, Bile Stasis | 3 | 2 3.5| Serosa, Fibrosis | 3 | 1 3.0| |__________________________________________________________________________|____________| Mesentery | + + + + + + + + + | 17 | Necrosis | 3 3 3 3 4 3 3 3 3 | 16 3.1| |__________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Acinus, Atrophy | 1 1 | 2 1.0| |__________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Stomach, Forestomach | + + + + A + + + + + + + + + + + + + + + + + + + +| 49 | _____________________________________________________________________________________________________________________|____________| * : 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: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 __________________________________________________________________________________________________________________________________ | 7| 4| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 4| 6| | DAY ON TEST | 3| 9| 3| 3| 8| 3| 3| 3| 3| 1| 3| 3| 3| 3| 3| 3| 3| 3| 7| 3| 0| 3| 3| 9| 1| | | 2| 7| 1| 2| 6| 1| 2| 2| 2| 2| 3| 1| 2| 3| 2| 2| 2| 3| 3| 2| 4| 2| 2| 3| 4| | __________________________________________|__________________________________________________________________________| 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 | 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| A | 200 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM - cont | | | Hyperplasia, Focal, Squamous | 3 | 1 3.0| Ulcer | 4 | 1 4.0| |__________________________________________________________________________|____________| Stomach, Glandular | + + + + A + + + + + + + + + + + + + + + + + + + +| 49 | Erosion | | 1 2.0| Ulcer | | 1 4.0| |__________________________________________________________________________|____________| Tongue | + + | 3 | Epithelium, Hyperplasia | 3 2 | 3 2.7| |__________________________________________________________________________|____________| Tooth | | 1 | Peridontal Tissue, Inflammation | | 1 4.0| Pulp, Inflammation, Suppurative | | 1 4.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | |__________________________________________________________________________|____________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Atrium, Thrombosis | 4 | 2 4.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | |__________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Accessory Adrenal Cortical Nodule | | 1 4.0| Vacuolization Cytoplasmic | 2 2 3 1 | 7 1.6| |__________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 3 | 5 2.6| |__________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + + + + + + + M + + + + + + + + + +| 47 | Hyperplasia | 2 | 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: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 __________________________________________________________________________________________________________________________________ | 7| 4| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 4| 6| | DAY ON TEST | 3| 9| 3| 3| 8| 3| 3| 3| 3| 1| 3| 3| 3| 3| 3| 3| 3| 3| 7| 3| 0| 3| 3| 9| 1| | | 2| 7| 1| 2| 6| 1| 2| 2| 2| 2| 3| 1| 2| 3| 2| 2| 2| 3| 3| 2| 4| 2| 2| 3| 4| | __________________________________________|__________________________________________________________________________| 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 | 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| A | 200 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | _____________________________________________________________________________________________________________________|____________| ENDOCRINE SYSTEM - cont | | | |__________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | 4 | 1 4.0| Pars Distalis, Hyperplasia | 3 2 4| 4 3.0| |__________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | C-Cell, Hyperplasia | 3 1 2 2 2 | 6 1.8| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | |__________________________________________________________________________|____________| Peritoneum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | |__________________________________________________________________________|____________| Clitoral Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | | 1 4.0| Hyperplasia | 3 | 2 2.5| Inflammation, Chronic | 3 | 1 3.0| |__________________________________________________________________________|____________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | 2 4 4 4 3 4| 11 3.2| |__________________________________________________________________________|____________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemorrhage | | 1 4.0| Endometrium, Hyperplasia | 3 | 1 3.0| Myometrium, Hyperplasia | | 1 3.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | |__________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Myelofibrosis | | 1 3.0| |__________________________________________________________________________|____________| Lymph Node | + + + + + | 9 | Pancreatic, Pigmentation | | 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 34 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 __________________________________________________________________________________________________________________________________ | 7| 4| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 4| 6| | DAY ON TEST | 3| 9| 3| 3| 8| 3| 3| 3| 3| 1| 3| 3| 3| 3| 3| 3| 3| 3| 7| 3| 0| 3| 3| 9| 1| | | 2| 7| 1| 2| 6| 1| 2| 2| 2| 2| 3| 1| 2| 3| 2| 2| 2| 3| 3| 2| 4| 2| 2| 3| 4| | __________________________________________|__________________________________________________________________________| 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 | 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| A | 200 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | _____________________________________________________________________________________________________________________|____________| HEMATOPOIETIC SYSTEM - cont | | | |__________________________________________________________________________|____________| Lymph Node, Bronchial | M M M M M M M M M M M M M M M M M M M M + M M M M| 5 | |__________________________________________________________________________|____________| Lymph Node, Mandibular | M M M M M M + M M + M M M M M M M M M M M + M M +| 5 | |__________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Infiltration Cellular, Histiocyte | | 2 3.5| |__________________________________________________________________________|____________| Lymph Node, Mediastinal | + M + + + + + M + + + + + + + + + + + + + + + M +| 44 | Fibrosis | | 1 3.0| Hyperplasia, Lymphoid | | 1 3.0| |__________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Accessory Spleen | X | 1 | Fibrosis | 3 4 | 3 3.3| Hemorrhage | | 1 4.0| Inflammation, Chronic Active | | 1 3.0| |__________________________________________________________________________|____________| Thymus | + M + M + + M + + + + + + + + + + + + + + + + M +| 46 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 3 | 1 3.0| Inflammation, Chronic | | 1 3.0| |__________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Ulcer | | 1 4.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | |__________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Tibia, Fracture | 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 35 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 __________________________________________________________________________________________________________________________________ | 7| 4| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 4| 6| | DAY ON TEST | 3| 9| 3| 3| 8| 3| 3| 3| 3| 1| 3| 3| 3| 3| 3| 3| 3| 3| 7| 3| 0| 3| 3| 9| 1| | | 2| 7| 1| 2| 6| 1| 2| 2| 2| 2| 3| 1| 2| 3| 2| 2| 2| 3| 3| 2| 4| 2| 2| 3| 4| | __________________________________________|__________________________________________________________________________| 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 | 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| A | 200 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | _____________________________________________________________________________________________________________________|____________| MUSCULOSKELETAL SYSTEM - cont | | | Skeletal Muscle | + + + + | 7 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | |__________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Compression | 3 2 4 3 2 3 | 11 2.9| Hemorrhage | 4 1 | 6 2.8| Infarct | 2 | 1 2.0| |__________________________________________________________________________|____________| Peripheral Nerve | + + + | 6 | |__________________________________________________________________________|____________| Spinal Cord | + + + | 6 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | |__________________________________________________________________________|____________| Larynx | + + + + A + + + + + + + + + + + + + + + + + + + +| 49 | Foreign Body | | 3 4.0| Inflammation, Suppurative | | 1 2.0| |__________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | 4 | 1 4.0| Foreign Body | | 1 2.0| Hemorrhage | 2 | 1 2.0| Inflammation, Chronic, Focal | 1 1 1 1 1 1 2 1 1 1 2 1 1 | 26 1.3| Inflammation, Chronic | | 1 2.0| Alveolar Epithelium, Hyperplasia | 1 | 3 1.7| Alveolus, Infiltration Cellular, | | | Focal, Histiocyte | 2 1 | 6 1.3| |__________________________________________________________________________|____________| Nose | + + + + A + + + + + + + + + + + + + + + + + + + +| 49 | Foreign Body | 3 | 1 3.0| Inflammation, Suppurative | 1 1 1 1 | 8 1.3| Glands, Dilatation | 1 2 2 1 2 1 1 1 1 1 1 1 1 1 2 2 2 2 2 1| 38 1.3| Goblet Cell, Hyperplasia | | 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 36 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 __________________________________________________________________________________________________________________________________ | 7| 4| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 4| 6| | DAY ON TEST | 3| 9| 3| 3| 8| 3| 3| 3| 3| 1| 3| 3| 3| 3| 3| 3| 3| 3| 7| 3| 0| 3| 3| 9| 1| | | 2| 7| 1| 2| 6| 1| 2| 2| 2| 2| 3| 1| 2| 3| 2| 2| 2| 3| 3| 2| 4| 2| 2| 3| 4| | __________________________________________|__________________________________________________________________________| 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 | 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| A | 200 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | _____________________________________________________________________________________________________________________|____________| RESPIRATORY SYSTEM - cont | | | Nasolacrimal Duct, Inflammation, | | | Suppurative | 1 | 3 2.3| Nasopharyngeal Duct, Inflammation, | | | Suppurative | | 1 3.0| Olfactory Epithelium, Degeneration, | | | Hyaline | 1 2 1 1 1 1 1 1 1 1 1 1| 15 1.1| Olfactory Epithelium, Degeneration | 2 2 3 2 2 2 2 2 2 2 2 2 1 1 2 2 2 1 2 2 2 2 2 2| 49 1.8| Olfactory Epithelium, Hyperplasia, | | | Basal Cell | 1 1 1 1 1 1 1 2 1 1 1 1 1 2 2 1 2 1 1 1 1 2| 42 1.3| Respiratory Epithelium, Degeneration,| | | Hyaline | 1 1 | 4 1.3| Respiratory Epithelium, Hyperplasia | | 1 3.0| |__________________________________________________________________________|____________| Pleura | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Glands, Degeneration, Cystic | | 1 1.0| _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | |__________________________________________________________________________|____________| Ear | | 2 | |__________________________________________________________________________|____________| Eye | + + + + A + + + + + + + + + + + + + + + + + + + +| 49 | Atrophy | 4 | 1 4.0| Anterior Chamber, Hemorrhage | 4 | 1 4.0| Lens, Cataract | 4 4| 4 3.8| |__________________________________________________________________________|____________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | |__________________________________________________________________________|____________| Kidney | + + + + A + + + + + + + + + + + + + + + + + + + +| 49 | Cyst | 4 | 1 4.0| Nephropathy, Chronic | 1 2 2 4 3 1 2 1 1 1 | 19 1.7| _____________________________________________________________________________________________________________________|____________| * : 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 37 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 __________________________________________________________________________________________________________________________________ | 7| 4| 7| 7| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 7| 4| 6| | DAY ON TEST | 3| 9| 3| 3| 8| 3| 3| 3| 3| 1| 3| 3| 3| 3| 3| 3| 3| 3| 7| 3| 0| 3| 3| 9| 1| | | 2| 7| 1| 2| 6| 1| 2| 2| 2| 2| 3| 1| 2| 3| 2| 2| 2| 3| 3| 2| 4| 2| 2| 3| 4| | __________________________________________|__________________________________________________________________________| 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 | 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| A | 200 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | _____________________________________________________________________________________________________________________|____________| URINARY SYSTEM - cont | | | |__________________________________________________________________________|____________| Urinary Bladder | + + + + A + + + + + + + + + + + + + + + + + + + +| 49 | __________________________________________________________________________________________________________________________________ * : 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 38 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 _____________________________________________________________________________________________________________________ | 5| 6| 5| 7| 7| 5| 7| 6| 6| 7| 6| 5| 6| 7| 7| 6| 5| 7| 6| 6| 1| 7| 5| 7| 7| DAY ON TEST | 2| 5| 3| 3| 3| 5| 3| 2| 1| 3| 5| 2| 2| 1| 3| 0| 8| 3| 5| 8| 5| 3| 6| 3| 0| | 9| 6| 5| 1| 2| 1| 3| 6| 3| 2| 3| 3| 6| 2| 3| 0| 9| 2| 3| 4| 1| 3| 3| 1| 8| __________________________________________|__________________________________________________________________________| | 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 | 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| 400 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM | | |__________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Hepatodiaphragmatic Nodule | 4 4 4 4 4 4 4| Vacuolization Cytoplasmic | 2 3 1 | Periportal, Inflammation, Chronic | | Portal, Bile Stasis | | |__________________________________________________________________________| Mesentery | + + | Necrosis | 3 3 | |__________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Acinus, Atrophy | 3 3 3 | |__________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Ulcer | 4 | |__________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Erosion | | |__________________________________________________________________________| Tongue | + + | Epithelium, Hyperplasia | 4 | __________________________________________|__________________________________________________________________________| Page 39 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 _____________________________________________________________________________________________________________________ | 5| 6| 5| 7| 7| 5| 7| 6| 6| 7| 6| 5| 6| 7| 7| 6| 5| 7| 6| 6| 1| 7| 5| 7| 7| DAY ON TEST | 2| 5| 3| 3| 3| 5| 3| 2| 1| 3| 5| 2| 2| 1| 3| 0| 8| 3| 5| 8| 5| 3| 6| 3| 0| | 9| 6| 5| 1| 2| 1| 3| 6| 3| 2| 3| 3| 6| 2| 3| 0| 9| 2| 3| 4| 1| 3| 3| 1| 8| __________________________________________|__________________________________________________________________________| | 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 | 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| 400 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| CARDIOVASCULAR SYSTEM | | |__________________________________________________________________________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 1 | Pericardium, Infiltration Cellular, | | Lymphoid | 3 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | |__________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 2 | Vacuolization Cytoplasmic | 2 2 2 2 1 1| |__________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 4 2 | |__________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + M + + + +| |__________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 2 4 | Pars Distalis, Hematocyst | | Pars Distalis, Hyperplasia | 3 3 1 3 2 | |__________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| C-Cell, Hyperplasia | 1 | Follicular Cell, Hyperplasia | | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | |__________________________________________________________________________| Peritoneum | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | |__________________________________________________________________________| Clitoral Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 4| __________________________________________|__________________________________________________________________________| Page 40 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 _____________________________________________________________________________________________________________________ | 5| 6| 5| 7| 7| 5| 7| 6| 6| 7| 6| 5| 6| 7| 7| 6| 5| 7| 6| 6| 1| 7| 5| 7| 7| DAY ON TEST | 2| 5| 3| 3| 3| 5| 3| 2| 1| 3| 5| 2| 2| 1| 3| 0| 8| 3| 5| 8| 5| 3| 6| 3| 0| | 9| 6| 5| 1| 2| 1| 3| 6| 3| 2| 3| 3| 6| 2| 3| 0| 9| 2| 3| 4| 1| 3| 3| 1| 8| __________________________________________|__________________________________________________________________________| | 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 | 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| 400 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| GENITAL SYSTEM - cont | | |__________________________________________________________________________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 3 4 | |__________________________________________________________________________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| Endometrium, Hyperplasia | 1 | |__________________________________________________________________________| Vagina | + + + | Muscularis, Hypertrophy | 4 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | |__________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Lymph Node | + + + +| Deep Cervical, Infiltration Cellular,| | Histiocyte | | |__________________________________________________________________________| Lymph Node, Bronchial | M + M M M M M + + + M + M M M M + M + M M M M M M| Infiltration Cellular, Histiocyte | | |__________________________________________________________________________| Lymph Node, Mandibular | M M M M M M + M M M M M M M M M M M M M M M M M M| |__________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Pigmentation | 4 | |__________________________________________________________________________| Lymph Node, Mediastinal | M M M M + + + + + M + + + + M + M + + M + + + M +| |__________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrosis | 2| Hemorrhage | | Necrosis | | |__________________________________________________________________________| Thymus | M + M + + + + + + + + + + + M + + + M + + M + M +| Cyst | | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | |__________________________________________________________________________| __________________________________________|__________________________________________________________________________| Page 41 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 _____________________________________________________________________________________________________________________ | 5| 6| 5| 7| 7| 5| 7| 6| 6| 7| 6| 5| 6| 7| 7| 6| 5| 7| 6| 6| 1| 7| 5| 7| 7| DAY ON TEST | 2| 5| 3| 3| 3| 5| 3| 2| 1| 3| 5| 2| 2| 1| 3| 0| 8| 3| 5| 8| 5| 3| 6| 3| 0| | 9| 6| 5| 1| 2| 1| 3| 6| 3| 2| 3| 3| 6| 2| 3| 0| 9| 2| 3| 4| 1| 3| 3| 1| 8| __________________________________________|__________________________________________________________________________| | 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 | 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| 400 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| INTEGUMENTARY SYSTEM - cont | | Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst Epithelial Inclusion | | Inflammation, Granulomatous | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | |__________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Skeletal Muscle | + | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | |__________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Compression | 3 4 3| Hemorrhage | 4 | |__________________________________________________________________________| Peripheral Nerve | + | |__________________________________________________________________________| Spinal Cord | + | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | |__________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 3 | Inflammation, Chronic, Diffuse | 2 | Inflammation, Chronic, Focal | 1 1 2 1 1 2 1 1 1 2 2 1 1 1 1 1| Alveolar Epithelium, Hyperplasia | | Alveolar Epithelium, Hypertrophy | 2 | Alveolus, Infiltration Cellular, | | Focal, Histiocyte | 2 1| Interstitium, Fibrosis | 1 | |__________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | 2 1 1| __________________________________________|__________________________________________________________________________| Page 42 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 _____________________________________________________________________________________________________________________ | 5| 6| 5| 7| 7| 5| 7| 6| 6| 7| 6| 5| 6| 7| 7| 6| 5| 7| 6| 6| 1| 7| 5| 7| 7| DAY ON TEST | 2| 5| 3| 3| 3| 5| 3| 2| 1| 3| 5| 2| 2| 1| 3| 0| 8| 3| 5| 8| 5| 3| 6| 3| 0| | 9| 6| 5| 1| 2| 1| 3| 6| 3| 2| 3| 3| 6| 2| 3| 0| 9| 2| 3| 4| 1| 3| 3| 1| 8| __________________________________________|__________________________________________________________________________| | 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 | 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| 400 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| RESPIRATORY SYSTEM - cont | | Glands, Dilatation | 2 1 2 1 2 1 1 2 1 2 2 2 2 2 2 2 1 1 2 1 2 2 2 2| Goblet Cell, Hyperplasia | 1 1 2| Nasolacrimal Duct, Inflammation, | | Suppurative | 2 | Olfactory Epithelium, Degeneration, | | Hyaline | 1 1 | Olfactory Epithelium, Degeneration | 2 2 1 2 2 1 3 2 2 1 2 2 2 2 2 2 2 3 3 1 3 2 3 3| Olfactory Epithelium, Hyperplasia, | | Basal Cell | 2 2 2 2 2 2 2 2 1 2 1 2 2 2 2 2 2 2 2 2 2 2 2 2| Respiratory Epithelium, Metaplasia, | | Squamous | 2 | |__________________________________________________________________________| Pleura | + + + + + + + + + + + + + + + + + + + + + + + + +| Infiltration Cellular, Lymphoid | 4 | |__________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| Glands, Degeneration, Cystic | | _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | |__________________________________________________________________________| Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| Lens, Cataract | | |__________________________________________________________________________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Lacrimal Gland | + | |__________________________________________________________________________| Zymbal's Gland | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | |__________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Nephropathy, Chronic | 2 4| Bilateral, Cortex, Renal Tubule, | | Degeneration | | Cortex, Infarct | | Cortex, Renal Tubule, Accumulation, | | Hyaline Droplet | | __________________________________________|__________________________________________________________________________| Page 43 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 _____________________________________________________________________________________________________________________ | 5| 6| 5| 7| 7| 5| 7| 6| 6| 7| 6| 5| 6| 7| 7| 6| 5| 7| 6| 6| 1| 7| 5| 7| 7| DAY ON TEST | 2| 5| 3| 3| 3| 5| 3| 2| 1| 3| 5| 2| 2| 1| 3| 0| 8| 3| 5| 8| 5| 3| 6| 3| 0| | 9| 6| 5| 1| 2| 1| 3| 6| 3| 2| 3| 3| 6| 2| 3| 0| 9| 2| 3| 4| 1| 3| 3| 1| 8| __________________________________________|__________________________________________________________________________| | 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 | 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| 400 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| URINARY SYSTEM - cont | | Medulla, Renal Tubule, Degeneration | 3 | Pelvis, Transitional Epithelium, | | Hyperplasia | 2| |__________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________ Page 44 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 __________________________________________________________________________________________________________________________________ | 5| 7| 7| 6| 6| 7| 5| 5| 7| 7| 7| 7| 7| 6| 7| 5| 7| 7| 7| 7| 5| 7| 6| 5| 7| | DAY ON TEST | 8| 3| 3| 1| 0| 0| 1| 8| 3| 3| 3| 3| 3| 5| 3| 3| 3| 3| 3| 3| 2| 3| 3| 4| 3| | | 6| 2| 1| 7| 0| 8| 6| 6| 2| 2| 2| 1| 2| 6| 1| 5| 1| 2| 2| 3| 5| 3| 1| 0| 2| | __________________________________________|__________________________________________________________________________| 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 | 400 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + A +| 49 | |__________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + + + A + + A +| 48 | |__________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + + + A + + A +| 48 | |__________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hepatodiaphragmatic Nodule | 4 4 | 9 4.0| Vacuolization Cytoplasmic | | 3 2.0| Periportal, Inflammation, Chronic | 2 1 | 2 1.5| Portal, Bile Stasis | 3 | 1 3.0| |__________________________________________________________________________|____________| Mesentery | + + + + | 6 | Necrosis | 3 3 3 3 | 6 3.0| |__________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Acinus, Atrophy | 2 | 4 2.8| |__________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + A + + + +| 49 | Ulcer | | 1 4.0| |__________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + A + + + +| 49 | Erosion | 2 | 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 45 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 __________________________________________________________________________________________________________________________________ | 5| 7| 7| 6| 6| 7| 5| 5| 7| 7| 7| 7| 7| 6| 7| 5| 7| 7| 7| 7| 5| 7| 6| 5| 7| | DAY ON TEST | 8| 3| 3| 1| 0| 0| 1| 8| 3| 3| 3| 3| 3| 5| 3| 3| 3| 3| 3| 3| 2| 3| 3| 4| 3| | | 6| 2| 1| 7| 0| 8| 6| 6| 2| 2| 2| 1| 2| 6| 1| 5| 1| 2| 2| 3| 5| 3| 1| 0| 2| | __________________________________________|__________________________________________________________________________| 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 | 400 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM - cont | | | |__________________________________________________________________________|____________| Tongue | + | 3 | Epithelium, Hyperplasia | 4 | 2 4.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | |__________________________________________________________________________|____________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cardiomyopathy | 3 1 | 3 1.7| Pericardium, Infiltration Cellular, | | | Lymphoid | | 1 3.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | |__________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | | 1 2.0| Vacuolization Cytoplasmic | 1 1 1 2 1 2 | 12 1.5| |__________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | | 2 3.0| |__________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | |__________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | 2 4 2 | 5 2.8| Pars Distalis, Hematocyst | 4 | 1 4.0| Pars Distalis, Hyperplasia | 2 2 | 7 2.3| |__________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | C-Cell, Hyperplasia | | 1 1.0| Follicular Cell, Hyperplasia | 2 | 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 46 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 __________________________________________________________________________________________________________________________________ | 5| 7| 7| 6| 6| 7| 5| 5| 7| 7| 7| 7| 7| 6| 7| 5| 7| 7| 7| 7| 5| 7| 6| 5| 7| | DAY ON TEST | 8| 3| 3| 1| 0| 0| 1| 8| 3| 3| 3| 3| 3| 5| 3| 3| 3| 3| 3| 3| 2| 3| 3| 4| 3| | | 6| 2| 1| 7| 0| 8| 6| 6| 2| 2| 2| 1| 2| 6| 1| 5| 1| 2| 2| 3| 5| 3| 1| 0| 2| | __________________________________________|__________________________________________________________________________| 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 | 400 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | _____________________________________________________________________________________________________________________|____________| GENERAL BODY SYSTEM | | | |__________________________________________________________________________|____________| Peritoneum | + + + + + + + + + + + + + + + + + + + + + + + +| 49 | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | |__________________________________________________________________________|____________| Clitoral Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 4 | 2 4.0| |__________________________________________________________________________|____________| Ovary | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | 2 2| 4 2.8| |__________________________________________________________________________|____________| Uterus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Endometrium, Hyperplasia | 2 | 2 1.5| |__________________________________________________________________________|____________| Vagina | | 3 | Muscularis, Hypertrophy | | 1 4.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | |__________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Lymph Node | + + + + | 8 | Deep Cervical, Infiltration Cellular,| | | Histiocyte | 2 | 1 2.0| |__________________________________________________________________________|____________| Lymph Node, Bronchial | M M M + + M M + + M M + M M M M M M M M + M M + M| 14 | Infiltration Cellular, Histiocyte | 3 | 1 3.0| |__________________________________________________________________________|____________| Lymph Node, Mandibular | M M M M M M M M M M M M M M M M M + M M M M M + M| 3 | |__________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Pigmentation | | 1 4.0| |__________________________________________________________________________|____________| Lymph Node, Mediastinal | + M M + M + + M + + + + + + M + + + + M + + + + M| 34 | _____________________________________________________________________________________________________________________|____________| * : 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 47 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 __________________________________________________________________________________________________________________________________ | 5| 7| 7| 6| 6| 7| 5| 5| 7| 7| 7| 7| 7| 6| 7| 5| 7| 7| 7| 7| 5| 7| 6| 5| 7| | DAY ON TEST | 8| 3| 3| 1| 0| 0| 1| 8| 3| 3| 3| 3| 3| 5| 3| 3| 3| 3| 3| 3| 2| 3| 3| 4| 3| | | 6| 2| 1| 7| 0| 8| 6| 6| 2| 2| 2| 1| 2| 6| 1| 5| 1| 2| 2| 3| 5| 3| 1| 0| 2| | __________________________________________|__________________________________________________________________________| 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 | 400 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | _____________________________________________________________________________________________________________________|____________| HEMATOPOIETIC SYSTEM - cont | | | |__________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Fibrosis | | 1 2.0| Hemorrhage | 4 4 | 2 4.0| Necrosis | 4 | 1 4.0| |__________________________________________________________________________|____________| Thymus | + + M + + M M + + + + + + + M + + + + + + + + + M| 39 | Cyst | 4 | 1 4.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst Epithelial Inclusion | 4 | 1 4.0| Inflammation, Granulomatous | 4 | 1 4.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | |__________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Skeletal Muscle | + + + + | 5 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | |__________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Compression | 3 3 3 3 | 7 3.1| Hemorrhage | 3 4 | 3 3.7| |__________________________________________________________________________|____________| Peripheral Nerve | + + + + | 5 | |__________________________________________________________________________|____________| Spinal Cord | + + + + | 5 | _____________________________________________________________________________________________________________________| | 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 48 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 __________________________________________________________________________________________________________________________________ | 5| 7| 7| 6| 6| 7| 5| 5| 7| 7| 7| 7| 7| 6| 7| 5| 7| 7| 7| 7| 5| 7| 6| 5| 7| | DAY ON TEST | 8| 3| 3| 1| 0| 0| 1| 8| 3| 3| 3| 3| 3| 5| 3| 3| 3| 3| 3| 3| 2| 3| 3| 4| 3| | | 6| 2| 1| 7| 0| 8| 6| 6| 2| 2| 2| 1| 2| 6| 1| 5| 1| 2| 2| 3| 5| 3| 1| 0| 2| | __________________________________________|__________________________________________________________________________| 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 | 400 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | _____________________________________________________________________________________________________________________|____________| RESPIRATORY SYSTEM - cont | | | |__________________________________________________________________________|____________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemorrhage | | 1 3.0| Inflammation, Chronic, Diffuse | | 1 2.0| Inflammation, Chronic, Focal | 1 1 1 1 1 1 1 1 1 2 2 1 1 2 1 1 1| 33 1.2| Alveolar Epithelium, Hyperplasia | 3 | 1 3.0| Alveolar Epithelium, Hypertrophy | | 1 2.0| Alveolus, Infiltration Cellular, | | | Focal, Histiocyte | 1 1 1 | 5 1.2| Interstitium, Fibrosis | | 1 1.0| |__________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + A +| 49 | Inflammation, Suppurative | 2 2 1 2 | 7 1.6| Glands, Dilatation | 2 1 2 1 1 2 1 2 1 3 2 2 1 2 2 1 1 2 2 2| 44 1.7| Goblet Cell, Hyperplasia | 2 | 4 1.5| Nasolacrimal Duct, Inflammation, | | | Suppurative | | 1 2.0| Olfactory Epithelium, Degeneration, | | | Hyaline | 1 1| 4 1.0| Olfactory Epithelium, Degeneration | 2 2 3 2 1 2 1 1 2 3 2 2 2 2 2 2 2 3 2 2 1 2 2 3| 48 2.0| Olfactory Epithelium, Hyperplasia, | | | Basal Cell | 1 2 2 1 1 2 1 2 1 2 1 2 1 2 2 2 2 1 2 2 2| 45 1.8| Respiratory Epithelium, Metaplasia, | | | Squamous | | 1 2.0| |__________________________________________________________________________|____________| Pleura | + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Infiltration Cellular, Lymphoid | | 1 4.0| |__________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Glands, Degeneration, Cystic | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | SPECIAL SENSES 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 49 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 __________________________________________________________________________________________________________________________________ | 5| 7| 7| 6| 6| 7| 5| 5| 7| 7| 7| 7| 7| 6| 7| 5| 7| 7| 7| 7| 5| 7| 6| 5| 7| | DAY ON TEST | 8| 3| 3| 1| 0| 0| 1| 8| 3| 3| 3| 3| 3| 5| 3| 3| 3| 3| 3| 3| 2| 3| 3| 4| 3| | | 6| 2| 1| 7| 0| 8| 6| 6| 2| 2| 2| 1| 2| 6| 1| 5| 1| 2| 2| 3| 5| 3| 1| 0| 2| | __________________________________________|__________________________________________________________________________| 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 | 400 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | _____________________________________________________________________________________________________________________|____________| SPECIAL SENSES SYSTEM - cont | | | |__________________________________________________________________________|____________| Eye | + + + + + + + + + + + + + + + + + + + + + + + A +| 49 | Lens, Cataract | 4 | 1 4.0| |__________________________________________________________________________|____________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Lacrimal Gland | | 1 | |__________________________________________________________________________|____________| Zymbal's Gland | + + | 2 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | |__________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Nephropathy, Chronic | 2 2 3 1 1 2 4 1| 10 2.2| Bilateral, Cortex, Renal Tubule, | | | Degeneration | 4 | 1 4.0| Cortex, Infarct | 1 3 | 2 2.0| Cortex, Renal Tubule, Accumulation, | | | Hyaline Droplet | 4 | 1 4.0| Medulla, Renal Tubule, Degeneration | | 1 3.0| Pelvis, Transitional Epithelium, | | | Hyperplasia | | 1 2.0| |__________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + A +| 49 | __________________________________________________________________________________________________________________________________ * : 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 50 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 _____________________________________________________________________________________________________________________ | 5| 5| 7| 7| 7| 7| 7| 7| 3| 7| 7| 7| 7| 7| 5| 6| 5| 5| 7| 7| 7| 7| 6| 7| 7| DAY ON TEST | 8| 0| 3| 3| 3| 0| 3| 2| 5| 2| 2| 2| 2| 2| 8| 7| 3| 4| 2| 2| 2| 2| 2| 2| 2| | 9| 6| 0| 0| 1| 4| 1| 9| 5| 9| 9| 9| 9| 9| 9| 0| 6| 3| 2| 9| 9| 9| 3| 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 | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM | | |__________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + A + +| |__________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + A + +| |__________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + A + +| |__________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + A + +| |__________________________________________________________________________| Intestine Small, Jejunum | + + + + + A + + + + + + + + + + + + + + + + A + +| |__________________________________________________________________________| Intestine Small, Ileum | + + + + + A + + + + + + + + + + + + + + + + A + +| |__________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Clear Cell Focus | X 1 | Hemorrhage | 3 | Hepatodiaphragmatic Nodule | 4 | Necrosis | 4 | Vacuolization Cytoplasmic | | |__________________________________________________________________________| Mesentery | + + + + + + | Necrosis | 4 1 3 3 3 | |__________________________________________________________________________| Oral Mucosa | + | Gingival, Hyperplasia, Squamous | 1 | |__________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Acinus, Atrophy | 1 2 3 2 1 1 | Duct, Cyst | 1 | |__________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Squamous | | Ulcer | 4 | |__________________________________________________________________________| __________________________________________|__________________________________________________________________________| Page 51 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 _____________________________________________________________________________________________________________________ | 5| 5| 7| 7| 7| 7| 7| 7| 3| 7| 7| 7| 7| 7| 5| 6| 5| 5| 7| 7| 7| 7| 6| 7| 7| DAY ON TEST | 8| 0| 3| 3| 3| 0| 3| 2| 5| 2| 2| 2| 2| 2| 8| 7| 3| 4| 2| 2| 2| 2| 2| 2| 2| | 9| 6| 0| 0| 1| 4| 1| 9| 5| 9| 9| 9| 9| 9| 9| 0| 6| 3| 2| 9| 9| 9| 3| 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 | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM - cont | | Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Ulcer | | |__________________________________________________________________________| Tongue | | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | |__________________________________________________________________________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + + +| Thrombosis | 3 | |__________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 1 1 2 2 1 2 2| Atrium, Thrombosis | | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | |__________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 3 | Vacuolization Cytoplasmic | 2 2 2 2 3 2 | |__________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 1 4 4 4 1 2 | |__________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | | |__________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + M M + + + + + + + + + + +| Hyperplasia | 2 | |__________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 2 | Hemorrhage | | Pars Distalis, Hyperplasia | 2 4 1 | |__________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| C-Cell, Hyperplasia | 1 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | __________________________________________|__________________________________________________________________________| Page 52 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 _____________________________________________________________________________________________________________________ | 5| 5| 7| 7| 7| 7| 7| 7| 3| 7| 7| 7| 7| 7| 5| 6| 5| 5| 7| 7| 7| 7| 6| 7| 7| DAY ON TEST | 8| 0| 3| 3| 3| 0| 3| 2| 5| 2| 2| 2| 2| 2| 8| 7| 3| 4| 2| 2| 2| 2| 2| 2| 2| | 9| 6| 0| 0| 1| 4| 1| 9| 5| 9| 9| 9| 9| 9| 9| 0| 6| 3| 2| 9| 9| 9| 3| 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 | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| GENERAL BODY SYSTEM - cont | | |__________________________________________________________________________| Peritoneum | + + + + + + + + + + + + + + + + + + | _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | |__________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | | Hyperplasia | | |__________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | 2 1 1 | |__________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | | |__________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| Germinal Epithelium, Atrophy | 3 4 4 4 4 3 4 | Interstitial Cell, Hyperplasia | 2 2 4 3 3| _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | |__________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Lymph Node | + + + + + | Deep Cervical, Angiectasis | | Deep Cervical, Hyperplasia, Lymphoid | | |__________________________________________________________________________| Lymph Node, Bronchial | M M M M M M M M M M M M M M M + M + + M M + M M M| |__________________________________________________________________________| Lymph Node, Mandibular | M M M M M M M M M M M M M M M + M M M M M M M M M| |__________________________________________________________________________| Lymph Node, Mesenteric | + + + M + + + + + + + + + + + + + + + + + + + + +| Angiectasis | | Infiltration Cellular, Histiocyte | | |__________________________________________________________________________| Lymph Node, Mediastinal | M + M M + + M M M M + + + M M + M M + M + M M M M| __________________________________________|__________________________________________________________________________| Page 53 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 _____________________________________________________________________________________________________________________ | 5| 5| 7| 7| 7| 7| 7| 7| 3| 7| 7| 7| 7| 7| 5| 6| 5| 5| 7| 7| 7| 7| 6| 7| 7| DAY ON TEST | 8| 0| 3| 3| 3| 0| 3| 2| 5| 2| 2| 2| 2| 2| 8| 7| 3| 4| 2| 2| 2| 2| 2| 2| 2| | 9| 6| 0| 0| 1| 4| 1| 9| 5| 9| 9| 9| 9| 9| 9| 0| 6| 3| 2| 9| 9| 9| 3| 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 | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | |__________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrosis | | Necrosis | | Lymphocyte, Hyperplasia, Diffuse | 2 | |__________________________________________________________________________| Thymus | + M + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | |__________________________________________________________________________| Mammary Gland | + + + + + + + + + M M M + M M + M + + + + + + + +| Galactocele | 4 3 | |__________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst Epithelial Inclusion | 4 | Hyperkeratosis | 4| _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | |__________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Cartilage, Femur, Hyperplasia | | |__________________________________________________________________________| Skeletal Muscle | + | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | |__________________________________________________________________________| Brain | + + + + + + M + + + + + + + + + + + + + + + + + +| Compression | 2 4 3 2 3 | |__________________________________________________________________________| Peripheral Nerve | + | |__________________________________________________________________________| Spinal Cord | + | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | |__________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| Foreign Body | 4 | |__________________________________________________________________________| __________________________________________|__________________________________________________________________________| Page 54 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 _____________________________________________________________________________________________________________________ | 5| 5| 7| 7| 7| 7| 7| 7| 3| 7| 7| 7| 7| 7| 5| 6| 5| 5| 7| 7| 7| 7| 6| 7| 7| DAY ON TEST | 8| 0| 3| 3| 3| 0| 3| 2| 5| 2| 2| 2| 2| 2| 8| 7| 3| 4| 2| 2| 2| 2| 2| 2| 2| | 9| 6| 0| 0| 1| 4| 1| 9| 5| 9| 9| 9| 9| 9| 9| 0| 6| 3| 2| 9| 9| 9| 3| 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 | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| RESPIRATORY SYSTEM - cont | | Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 2 | Inflammation, Chronic, Focal | 1 1 | Inflammation, Suppurative | | Necrosis | | Thrombosis | | Alveolar Epithelium, Hyperplasia | 3 | Alveolus, Infiltration Cellular, | | Focal, Histiocyte | 2 2 2 2 | Interstitium, Fibrosis | 2 | Mediastinum, Abscess | | |__________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Foreign Body | 3 2 | Inflammation, Suppurative | 3 2 1 | Glands, Dilatation | | Goblet Cell, Hyperplasia | | Nasolacrimal Duct, Inflammation, | | Suppurative | | Olfactory Epithelium, Degeneration, | | Hyaline | 2 | Respiratory Epithelium, Hyperplasia | | |__________________________________________________________________________| Pleura | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| Glands, Degeneration, Cystic | | _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | |__________________________________________________________________________| Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| Lens, Cataract | 3 1 | |__________________________________________________________________________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Zymbal's Gland | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | __________________________________________|__________________________________________________________________________| Page 55 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 _____________________________________________________________________________________________________________________ | 5| 5| 7| 7| 7| 7| 7| 7| 3| 7| 7| 7| 7| 7| 5| 6| 5| 5| 7| 7| 7| 7| 6| 7| 7| DAY ON TEST | 8| 0| 3| 3| 3| 0| 3| 2| 5| 2| 2| 2| 2| 2| 8| 7| 3| 4| 2| 2| 2| 2| 2| 2| 2| | 9| 6| 0| 0| 1| 4| 1| 9| 5| 9| 9| 9| 9| 9| 9| 0| 6| 3| 2| 9| 9| 9| 3| 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 | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| URINARY SYSTEM - cont | | |__________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Nephropathy, Chronic | 1 1 2 1 1 1 1 1 2 2 1 1 1 4 2 1 1 2 2| Cortex, Infarct | | Cortex, Renal Tubule, Hyperplasia | 2 | Cortex, Renal Tubule, Hypertrophy | 1 | Pelvis, Transitional Epithelium, | | Hyperplasia | 4 | |__________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Calculus Micro Observation Only | 2 | Hemorrhage | 4 | __________________________________________|__________________________________________________________________________ Page 56 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 __________________________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 6| 7| 7| 6| 6| 7| 7| 7| 6| 7| 5| 7| 7| 6| 7| 7| 7| 7| 7| 7| | DAY ON TEST | 2| 7| 2| 2| 3| 3| 3| 2| 8| 1| 3| 3| 2| 6| 3| 6| 3| 2| 1| 3| 2| 3| 2| 3| 0| | | 9| 5| 5| 9| 1| 8| 1| 9| 2| 2| 1| 0| 9| 6| 0| 1| 1| 9| 2| 0| 9| 0| 9| 1| 1| | __________________________________________|__________________________________________________________________________| 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 | 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| A | CONTROL | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + A + + + + + + + + +| 48 | |__________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + A + + + + + + + + +| 48 | |__________________________________________________________________________|____________| Intestine Large, Cecum | + A + + + + + + + + + + + + + A + + + + + + + + +| 47 | |__________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + A + + + + + + + + +| 48 | |__________________________________________________________________________|____________| Intestine Small, Jejunum | + A + + + + + + + + + + + + + A + + + + + + + + +| 46 | |__________________________________________________________________________|____________| Intestine Small, Ileum | + A + + + + + + + + + + + + + A + + + + + + + + +| 46 | |__________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Clear Cell Focus | | 2 1.0| Hemorrhage | | 1 3.0| Hepatodiaphragmatic Nodule | 4 | 2 4.0| Necrosis | | 1 4.0| Vacuolization Cytoplasmic | 3 | 1 3.0| |__________________________________________________________________________|____________| Mesentery | + + + + + + | 12 | Necrosis | 3 3 | 7 2.9| |__________________________________________________________________________|____________| Oral Mucosa | | 1 | Gingival, Hyperplasia, Squamous | | 1 1.0| |__________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Acinus, Atrophy | 2 3 1 4 1 2 2 1 1 | 15 1.8| Duct, Cyst | | 1 1.0| |__________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| _____________________________________________________________________________________________________________________|____________| * : 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 57 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 __________________________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 6| 7| 7| 6| 6| 7| 7| 7| 6| 7| 5| 7| 7| 6| 7| 7| 7| 7| 7| 7| | DAY ON TEST | 2| 7| 2| 2| 3| 3| 3| 2| 8| 1| 3| 3| 2| 6| 3| 6| 3| 2| 1| 3| 2| 3| 2| 3| 0| | | 9| 5| 5| 9| 1| 8| 1| 9| 2| 2| 1| 0| 9| 6| 0| 1| 1| 9| 2| 0| 9| 0| 9| 1| 1| | __________________________________________|__________________________________________________________________________| 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 | 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| A | CONTROL | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM - cont | | | Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia, Squamous | 2 | 1 2.0| Ulcer | 3 4 1 | 4 3.0| |__________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Ulcer | 4 | 1 4.0| |__________________________________________________________________________|____________| Tongue | + | 1 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | |__________________________________________________________________________|____________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Thrombosis | | 1 3.0| |__________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cardiomyopathy | | 7 1.6| Atrium, Thrombosis | 3 4 | 2 3.5| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | |__________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | | 1 3.0| Vacuolization Cytoplasmic | 2 2 | 8 2.1| |__________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 4 4 4 3 4 3 | 12 3.2| |__________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 1 | 1 1.0| |__________________________________________________________________________|____________| Parathyroid Gland | + + + M + + + + + + + + + + + M + + + + + + + + +| 46 | Hyperplasia | | 1 2.0| |__________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________|____________| * : 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 58 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 __________________________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 6| 7| 7| 6| 6| 7| 7| 7| 6| 7| 5| 7| 7| 6| 7| 7| 7| 7| 7| 7| | DAY ON TEST | 2| 7| 2| 2| 3| 3| 3| 2| 8| 1| 3| 3| 2| 6| 3| 6| 3| 2| 1| 3| 2| 3| 2| 3| 0| | | 9| 5| 5| 9| 1| 8| 1| 9| 2| 2| 1| 0| 9| 6| 0| 1| 1| 9| 2| 0| 9| 0| 9| 1| 1| | __________________________________________|__________________________________________________________________________| 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 | 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| A | CONTROL | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | _____________________________________________________________________________________________________________________|____________| ENDOCRINE SYSTEM - cont | | | Cyst | | 1 2.0| Hemorrhage | 3 | 1 3.0| Pars Distalis, Hyperplasia | 3 1 | 5 2.2| |__________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | C-Cell, Hyperplasia | 4 | 2 2.5| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | |__________________________________________________________________________|____________| Peritoneum | + + + + + + + + + + + + + + + + + + + + + +| 40 | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | |__________________________________________________________________________|____________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Preputial Gland | + + M + M + + + + + + + + + + + + + + + + + + + +| 48 | Cyst | 3 | 1 3.0| Hyperplasia | 4 | 1 4.0| |__________________________________________________________________________|____________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Suppurative | 3 3 | 5 2.0| |__________________________________________________________________________|____________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Suppurative | 3 | 1 3.0| |__________________________________________________________________________|____________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Germinal Epithelium, Atrophy | 4 4 4 4 4 4 4 4 4| 16 3.9| Interstitial Cell, Hyperplasia | 4 3 | 7 3.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | |__________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Lymph Node | + + + + + + | 11 | _____________________________________________________________________________________________________________________|____________| * : 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 59 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 __________________________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 6| 7| 7| 6| 6| 7| 7| 7| 6| 7| 5| 7| 7| 6| 7| 7| 7| 7| 7| 7| | DAY ON TEST | 2| 7| 2| 2| 3| 3| 3| 2| 8| 1| 3| 3| 2| 6| 3| 6| 3| 2| 1| 3| 2| 3| 2| 3| 0| | | 9| 5| 5| 9| 1| 8| 1| 9| 2| 2| 1| 0| 9| 6| 0| 1| 1| 9| 2| 0| 9| 0| 9| 1| 1| | __________________________________________|__________________________________________________________________________| 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 | 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| A | CONTROL | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | _____________________________________________________________________________________________________________________|____________| HEMATOPOIETIC SYSTEM - cont | | | Deep Cervical, Angiectasis | 4 | 1 4.0| Deep Cervical, Hyperplasia, Lymphoid | 3 | 1 3.0| |__________________________________________________________________________|____________| Lymph Node, Bronchial | M + M M M M M M M M M M M + M + M M M M M M M M M| 7 | |__________________________________________________________________________|____________| Lymph Node, Mandibular | M M M M M M M M M M M M M M M M M M M M M M M M M| 1 | |__________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Angiectasis | 4 | 1 4.0| Infiltration Cellular, Histiocyte | 1 | 1 1.0| |__________________________________________________________________________|____________| Lymph Node, Mediastinal | M M M M M + + M + M + M + M M + M M + M + + M + M| 19 | |__________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Fibrosis | 4 3 | 2 3.5| Necrosis | 4 4 4 | 3 4.0| Lymphocyte, Hyperplasia, Diffuse | | 1 2.0| |__________________________________________________________________________|____________| Thymus | + + + + + M + + + + + + + + + + + + + + + + + + +| 48 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Mammary Gland | M + + + M M + M M + M + + + M + M + + + + + + + M| 35 | Galactocele | 4 | 3 3.7| |__________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst Epithelial Inclusion | 4 4 4 | 4 4.0| Hyperkeratosis | 3 | 2 3.5| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | |__________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cartilage, Femur, Hyperplasia | 1 | 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 60 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 __________________________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 6| 7| 7| 6| 6| 7| 7| 7| 6| 7| 5| 7| 7| 6| 7| 7| 7| 7| 7| 7| | DAY ON TEST | 2| 7| 2| 2| 3| 3| 3| 2| 8| 1| 3| 3| 2| 6| 3| 6| 3| 2| 1| 3| 2| 3| 2| 3| 0| | | 9| 5| 5| 9| 1| 8| 1| 9| 2| 2| 1| 0| 9| 6| 0| 1| 1| 9| 2| 0| 9| 0| 9| 1| 1| | __________________________________________|__________________________________________________________________________| 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 | 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| A | CONTROL | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | _____________________________________________________________________________________________________________________|____________| MUSCULOSKELETAL SYSTEM - cont | | | Skeletal Muscle | + | 2 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | |__________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Compression | 4 3 2 3 3| 10 2.9| |__________________________________________________________________________|____________| Peripheral Nerve | | 1 | |__________________________________________________________________________|____________| Spinal Cord | | 1 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | |__________________________________________________________________________|____________| Larynx | + + + + + + + + + + + + + + + A + + + + + + + + +| 49 | Foreign Body | | 1 4.0| |__________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemorrhage | 4 | 2 3.0| Inflammation, Chronic, Focal | 1 1 | 4 1.0| Inflammation, Suppurative | 1 | 1 1.0| Necrosis | 2 | 1 2.0| Thrombosis | 4 | 1 4.0| Alveolar Epithelium, Hyperplasia | 2 1 4 | 4 2.5| Alveolus, Infiltration Cellular, | | | Focal, Histiocyte | 1 1 2 1 1 | 9 1.6| Interstitium, Fibrosis | | 1 2.0| Mediastinum, Abscess | 3 | 1 3.0| |__________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Foreign Body | 1 2 2 | 5 2.0| Inflammation, Suppurative | 3 3 | 5 2.4| Glands, Dilatation | 1 2 2 | 3 1.7| Goblet Cell, Hyperplasia | 2 | 1 2.0| Nasolacrimal Duct, Inflammation, | | | _____________________________________________________________________________________________________________________|____________| * : 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: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 __________________________________________________________________________________________________________________________________ | 7| 6| 7| 7| 7| 6| 7| 7| 6| 6| 7| 7| 7| 6| 7| 5| 7| 7| 6| 7| 7| 7| 7| 7| 7| | DAY ON TEST | 2| 7| 2| 2| 3| 3| 3| 2| 8| 1| 3| 3| 2| 6| 3| 6| 3| 2| 1| 3| 2| 3| 2| 3| 0| | | 9| 5| 5| 9| 1| 8| 1| 9| 2| 2| 1| 0| 9| 6| 0| 1| 1| 9| 2| 0| 9| 0| 9| 1| 1| | __________________________________________|__________________________________________________________________________| 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 | 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| A | CONTROL | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | _____________________________________________________________________________________________________________________|____________| RESPIRATORY SYSTEM - cont | | | Suppurative | 1 1 | 2 1.0| Olfactory Epithelium, Degeneration, | | | Hyaline | 1 1 1| 4 1.3| Respiratory Epithelium, Hyperplasia | 3 | 1 3.0| |__________________________________________________________________________|____________| Pleura | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Glands, Degeneration, Cystic | 2 | 1 2.0| _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | |__________________________________________________________________________|____________| Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Lens, Cataract | | 2 2.0| |__________________________________________________________________________|____________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Zymbal's Gland | + | 1 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | |__________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Nephropathy, Chronic | 3 4 2 2 1 3 4 3 1 1 2 1 2 4 1 1 1 1| 37 1.8| Cortex, Infarct | 4 | 1 4.0| Cortex, Renal Tubule, Hyperplasia | | 1 2.0| Cortex, Renal Tubule, Hypertrophy | | 1 1.0| Pelvis, Transitional Epithelium, | | | Hyperplasia | | 1 4.0| |__________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Calculus Micro Observation Only | 2 2 2 | 4 2.0| Hemorrhage | 2 | 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 62 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 _____________________________________________________________________________________________________________________ | 7| 5| 7| 7| 5| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| DAY ON TEST | 3| 8| 2| 3| 6| 2| 2| 2| 3| 0| 3| 3| 3| 3| 8| 0| 2| 3| 3| 5| 2| 3| 2| 2| 3| | 1| 2| 9| 0| 9| 9| 2| 9| 1| 5| 1| 0| 1| 0| 2| 8| 9| 0| 1| 4| 8| 0| 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| 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| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 100 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM | | |__________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Colon | + A + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Rectum | + A + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Cecum | + A + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Duodenum | + A + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Jejunum | + A + + + + + + + + + + + + + + + + + + A + + + +| Necrosis | | |__________________________________________________________________________| Intestine Small, Ileum | + A + + + + + + + + + + + + + + + + + + A + + + +| Dilatation | | |__________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Clear Cell Focus | 2 2 3 | Hepatodiaphragmatic Nodule | 4 | Inflammation, Granulomatous | 3 | Necrosis | 2 | Vacuolization Cytoplasmic | | Serosa, Fibrosis | | |__________________________________________________________________________| Mesentery | + + + + + | Necrosis | 3 3 3 3 3 | |__________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Acinus, Atrophy | 2 1 1 1 2 2 1 2 1 4 1 2 | Acinus, Inflammation | 2 | Duct, Cyst | 3 2 | |__________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Stomach, Forestomach | + A + + + + + + + + + + + + + + + + + + + + + + +| Diverticulum | | Inflammation, Suppurative | 1 | __________________________________________|__________________________________________________________________________| Page 63 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 _____________________________________________________________________________________________________________________ | 7| 5| 7| 7| 5| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| DAY ON TEST | 3| 8| 2| 3| 6| 2| 2| 2| 3| 0| 3| 3| 3| 3| 8| 0| 2| 3| 3| 5| 2| 3| 2| 2| 3| | 1| 2| 9| 0| 9| 9| 2| 9| 1| 5| 1| 0| 1| 0| 2| 8| 9| 0| 1| 4| 8| 0| 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| 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| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 100 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM - cont | | Ulcer | 4 | |__________________________________________________________________________| Stomach, Glandular | + A + + + + + + + + + + + + + + + + + + + + + + +| Erosion | 2 | Ulcer | 4 | |__________________________________________________________________________| Tongue | + | Epithelium, Hyperplasia | 3 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | |__________________________________________________________________________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | 2 2 3 2 | Atrium, Thrombosis | 4 | Pericardium, Epicardium, | | Infiltration Cellular, Histiocyte| | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | |__________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Necrosis | | Vacuolization Cytoplasmic | 1 2 1 3 2 | |__________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 4 2 2 2 2 4 | |__________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | | |__________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + + + + + + M + + + + + + +| Hyperplasia | 3 | |__________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 4 | Pars Distalis, Hematocyst | 4 | Pars Distalis, Hyperplasia | 2 3 3 2 1 1 3 | __________________________________________|__________________________________________________________________________| Page 64 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 _____________________________________________________________________________________________________________________ | 7| 5| 7| 7| 5| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| DAY ON TEST | 3| 8| 2| 3| 6| 2| 2| 2| 3| 0| 3| 3| 3| 3| 8| 0| 2| 3| 3| 5| 2| 3| 2| 2| 3| | 1| 2| 9| 0| 9| 9| 2| 9| 1| 5| 1| 0| 1| 0| 2| 8| 9| 0| 1| 4| 8| 0| 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| 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| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 100 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| ENDOCRINE SYSTEM - cont | | |__________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| C-Cell, Hyperplasia | 4 | Follicular Cell, Hyperplasia | 2 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | |__________________________________________________________________________| Peritoneum | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | |__________________________________________________________________________| Coagulating Gland | | |__________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | | Hyperplasia | | |__________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | | |__________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | | |__________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| Germinal Epithelium, Atrophy | 4 2 3 3 | Interstitial Cell, Hyperplasia | 2 3 3 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | |__________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Lymph Node | + + + + | Deep Cervical, Cyst | 2 | |__________________________________________________________________________| Lymph Node, Bronchial | M M M M M M M M M M M M M M M + M M M M M + M M M| |__________________________________________________________________________| __________________________________________|__________________________________________________________________________| Page 65 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 _____________________________________________________________________________________________________________________ | 7| 5| 7| 7| 5| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| DAY ON TEST | 3| 8| 2| 3| 6| 2| 2| 2| 3| 0| 3| 3| 3| 3| 8| 0| 2| 3| 3| 5| 2| 3| 2| 2| 3| | 1| 2| 9| 0| 9| 9| 2| 9| 1| 5| 1| 0| 1| 0| 2| 8| 9| 0| 1| 4| 8| 0| 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| 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| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 100 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | Lymph Node, Mandibular | M M M M + M M M M M M M M M M M M M M M M M M M M| |__________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Ectasia | | |__________________________________________________________________________| Lymph Node, Mediastinal | + M + M + M + M M + M M + M + + M M M M + + M + +| |__________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Accessory Spleen | X | Fibrosis | 3 4 3 3 | Hemorrhage | 4 4 | Hyperplasia, Focal, Lymphoid | 3 | Necrosis | 4 | |__________________________________________________________________________| Thymus | + + + + + + + + + M + + M + M + + + + + + + + + +| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | |__________________________________________________________________________| Mammary Gland | + + + + + M M + + + + + + M + + + + + + + M + + +| Galactocele | | |__________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst Epithelial Inclusion | 4 | Hyperkeratosis | 3 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | |__________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Femur, Fracture | 4 | |__________________________________________________________________________| Skeletal Muscle | + | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | |__________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Compression | 3 | Hemorrhage | 4 | |__________________________________________________________________________| __________________________________________|__________________________________________________________________________| Page 66 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 _____________________________________________________________________________________________________________________ | 7| 5| 7| 7| 5| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| DAY ON TEST | 3| 8| 2| 3| 6| 2| 2| 2| 3| 0| 3| 3| 3| 3| 8| 0| 2| 3| 3| 5| 2| 3| 2| 2| 3| | 1| 2| 9| 0| 9| 9| 2| 9| 1| 5| 1| 0| 1| 0| 2| 8| 9| 0| 1| 4| 8| 0| 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| 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| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 100 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| NERVOUS SYSTEM - cont | | Peripheral Nerve | + | |__________________________________________________________________________| Spinal Cord | + | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | |__________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| Foreign Body | 4 | Inflammation, Suppurative | 2 | |__________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 2 | Inflammation, Chronic, Focal | 2 2 | Alveolar Epithelium, Hyperplasia | 1 1 3 2 1 2 | Alveolar Epithelium, Hypertrophy | 1 | Alveolus, Infiltration Cellular, | | Focal, Histiocyte | 2 3 1 1 | Interstitium, Fibrosis | 1 | |__________________________________________________________________________| Nose | + A + + + + + + + + + + + + + + + + + + + + + + +| Foreign Body | 3 | Inflammation, Suppurative | 3 1 1 1 1 2 | Glands, Dilatation | 1 1 2 1 1 1 1 1 2 2 1 1 1 1 1 1 2 2 2| Goblet Cell, Hyperplasia | 2 2 | Nasolacrimal Duct, Inflammation, | | Suppurative | 1 2 2 2 | Olfactory Epithelium, Degeneration | 2 1 1 1 1 1 1 2 1 2 2 2 1 2 2 2 2 1 2 2 2 1 2 2| Olfactory Epithelium, Hyperplasia, | | Basal Cell | 1 1 1 1 1 1 1 2 1 1 1 1 1 1 | Olfactory Epithelium, Metaplasia | | Turbinate, Cyst | 2 | |__________________________________________________________________________| Pleura | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | |__________________________________________________________________________| __________________________________________|__________________________________________________________________________| Page 67 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 _____________________________________________________________________________________________________________________ | 7| 5| 7| 7| 5| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 6| 7| 7| 7| 7| 7| DAY ON TEST | 3| 8| 2| 3| 6| 2| 2| 2| 3| 0| 3| 3| 3| 3| 8| 0| 2| 3| 3| 5| 2| 3| 2| 2| 3| | 1| 2| 9| 0| 9| 9| 2| 9| 1| 5| 1| 0| 1| 0| 2| 8| 9| 0| 1| 4| 8| 0| 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| 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| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 2| 100 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| SPECIAL SENSES SYSTEM - cont | | Eye | + A + + + + + + + + + + + + + + + + + + + + + + +| Lens, Cataract | 4 | Retina, Atrophy | 4 | |__________________________________________________________________________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| URINARY SYSTEM | | |__________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | | Nephropathy, Chronic | 1 1 1 1 1 2 2 1 1 2 2 2 1 1 1 2 1 1 1 1 1| Cortex, Infarct | 2 | Cortex, Renal Tubule, Hyperplasia | | Medulla, Infarct | | Medulla, Infiltration Cellular, | | Lipocyte | 3| Pelvis, Transitional Epithelium, | | Hyperplasia | | |__________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Calculus Micro Observation Only | | Hemorrhage | 4 | __________________________________________|__________________________________________________________________________ Page 68 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 3| 7| 7| 7| 7| 6| 7| 7| 7| 7| 1| 7| 7| 7| 7| 7| 6| | DAY ON TEST | 3| 3| 3| 3| 3| 1| 0| 1| 9| 2| 2| 2| 3| 5| 2| 3| 3| 3| 0| 3| 3| 2| 2| 3| 5| | | 0| 0| 0| 1| 0| 7| 4| 0| 3| 9| 9| 9| 0| 9| 9| 0| 1| 0| 6| 1| 1| 9| 9| 1| 4| | __________________________________________|__________________________________________________________________________| 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 | 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| A | 100 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + A + + + + + +| 48 | |__________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + A + + + + + +| 48 | |__________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + A + + + + + +| 48 | |__________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + A + + + + + +| 48 | |__________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + + + + + A + + + + + +| 47 | Necrosis | 3 | 1 3.0| |__________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + + + + + A + + + + + +| 47 | Dilatation | 4 | 1 4.0| |__________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + A + + + + + +| 49 | Clear Cell Focus | 3 X | 5 2.5| Hepatodiaphragmatic Nodule | 4 | 2 4.0| Inflammation, Granulomatous | | 1 3.0| Necrosis | | 1 2.0| Vacuolization Cytoplasmic | 2 2 | 2 2.0| Serosa, Fibrosis | 4 | 1 4.0| |__________________________________________________________________________|____________| Mesentery | + + + + + + + + | 13 | Necrosis | 3 3 3 3 3 3 2 3 | 13 2.9| |__________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + A + + + + + +| 49 | Acinus, Atrophy | 1 2 1 3 1 4 | 18 1.8| Acinus, Inflammation | | 1 2.0| Duct, Cyst | | 2 2.5| |__________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + A + + + + + +| 49 | _____________________________________________________________________________________________________________________|____________| * : 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 69 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 3| 7| 7| 7| 7| 6| 7| 7| 7| 7| 1| 7| 7| 7| 7| 7| 6| | DAY ON TEST | 3| 3| 3| 3| 3| 1| 0| 1| 9| 2| 2| 2| 3| 5| 2| 3| 3| 3| 0| 3| 3| 2| 2| 3| 5| | | 0| 0| 0| 1| 0| 7| 4| 0| 3| 9| 9| 9| 0| 9| 9| 0| 1| 0| 6| 1| 1| 9| 9| 1| 4| | __________________________________________|__________________________________________________________________________| 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 | 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| A | 100 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM - cont | | | |__________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + A + + + + + +| 48 | Diverticulum | 3 | 1 3.0| Inflammation, Suppurative | | 1 1.0| Ulcer | | 1 4.0| |__________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + A + + + + + +| 48 | Erosion | 3 | 2 2.5| Ulcer | 4 | 2 4.0| |__________________________________________________________________________|____________| Tongue | | 1 | Epithelium, Hyperplasia | | 1 3.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | |__________________________________________________________________________|____________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cardiomyopathy | 2 | 5 2.2| Atrium, Thrombosis | | 1 4.0| Pericardium, Epicardium, | | | Infiltration Cellular, Histiocyte| 4 | 1 4.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | |__________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Necrosis | 3 2 | 2 2.5| Vacuolization Cytoplasmic | 1 2 2 | 8 1.8| |__________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 3 2 3 3 3 2 3 | 13 2.7| |__________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + M + + + + + + A + + + + + +| 48 | Hyperplasia | 1 | 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 70 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 3| 7| 7| 7| 7| 6| 7| 7| 7| 7| 1| 7| 7| 7| 7| 7| 6| | DAY ON TEST | 3| 3| 3| 3| 3| 1| 0| 1| 9| 2| 2| 2| 3| 5| 2| 3| 3| 3| 0| 3| 3| 2| 2| 3| 5| | | 0| 0| 0| 1| 0| 7| 4| 0| 3| 9| 9| 9| 0| 9| 9| 0| 1| 0| 6| 1| 1| 9| 9| 1| 4| | __________________________________________|__________________________________________________________________________| 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 | 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| A | 100 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | _____________________________________________________________________________________________________________________|____________| ENDOCRINE SYSTEM - cont | | | |__________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + M + + + + + +| 48 | Hyperplasia | | 1 3.0| |__________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | | 1 4.0| Pars Distalis, Hematocyst | | 1 4.0| Pars Distalis, Hyperplasia | 3 | 8 2.3| |__________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | C-Cell, Hyperplasia | 4 2 2 | 4 3.0| Follicular Cell, Hyperplasia | 2 | 2 2.0| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | |__________________________________________________________________________|____________| Peritoneum | + + + + + + + + + + + + + + + + + + + + + + + +| 49 | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | |__________________________________________________________________________|____________| Coagulating Gland | + | 1 | |__________________________________________________________________________|____________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | 4 | 1 4.0| Hyperplasia | 4 4 4 3 | 4 3.8| |__________________________________________________________________________|____________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Suppurative | 2 | 1 2.0| |__________________________________________________________________________|____________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + A + + + + + +| 49 | Hyperplasia | 3 | 1 3.0| |__________________________________________________________________________|____________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________|____________| * : 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 71 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 3| 7| 7| 7| 7| 6| 7| 7| 7| 7| 1| 7| 7| 7| 7| 7| 6| | DAY ON TEST | 3| 3| 3| 3| 3| 1| 0| 1| 9| 2| 2| 2| 3| 5| 2| 3| 3| 3| 0| 3| 3| 2| 2| 3| 5| | | 0| 0| 0| 1| 0| 7| 4| 0| 3| 9| 9| 9| 0| 9| 9| 0| 1| 0| 6| 1| 1| 9| 9| 1| 4| | __________________________________________|__________________________________________________________________________| 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 | 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| A | 100 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | _____________________________________________________________________________________________________________________|____________| GENITAL SYSTEM - cont | | | Germinal Epithelium, Atrophy | 3 3 3 4 3 3 3 3 | 12 3.1| Interstitial Cell, Hyperplasia | 3 3 3 | 6 2.8| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | |__________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Lymph Node | + | 5 | Deep Cervical, Cyst | | 1 2.0| |__________________________________________________________________________|____________| Lymph Node, Bronchial | M M M M M + M M M M M + M M M M M M M + M M + M M| 6 | |__________________________________________________________________________|____________| Lymph Node, Mandibular | M M M M M M M M M M M M M M + M M M M M M M M M M| 2 | |__________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + A + + + + + +| 49 | Ectasia | 4 | 1 4.0| |__________________________________________________________________________|____________| Lymph Node, Mediastinal | + M M + M + + + M M M M M M M + + + A + M M + + M| 23 | |__________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + A + + + + + +| 49 | Accessory Spleen | X X | 3 | Fibrosis | 3 3 | 6 3.2| Hemorrhage | | 2 4.0| Hyperplasia, Focal, Lymphoid | | 1 3.0| Necrosis | | 1 4.0| |__________________________________________________________________________|____________| Thymus | M + + + + + M + M + + + + + + + + + + + + + + + +| 44 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + M + + + + + + + M M + + + + +| 43 | Galactocele | 1 2 | 2 1.5| |__________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________|____________| * : 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 72 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 3| 7| 7| 7| 7| 6| 7| 7| 7| 7| 1| 7| 7| 7| 7| 7| 6| | DAY ON TEST | 3| 3| 3| 3| 3| 1| 0| 1| 9| 2| 2| 2| 3| 5| 2| 3| 3| 3| 0| 3| 3| 2| 2| 3| 5| | | 0| 0| 0| 1| 0| 7| 4| 0| 3| 9| 9| 9| 0| 9| 9| 0| 1| 0| 6| 1| 1| 9| 9| 1| 4| | __________________________________________|__________________________________________________________________________| 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 | 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| A | 100 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | _____________________________________________________________________________________________________________________|____________| INTEGUMENTARY SYSTEM - cont | | | Cyst Epithelial Inclusion | | 1 4.0| Hyperkeratosis | | 1 3.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | |__________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Femur, Fracture | | 1 4.0| |__________________________________________________________________________|____________| Skeletal Muscle | + + + + + | 6 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | |__________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Compression | 2 2 3 2| 5 2.4| Hemorrhage | | 1 4.0| |__________________________________________________________________________|____________| Peripheral Nerve | + | 2 | |__________________________________________________________________________|____________| Spinal Cord | + + | 3 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | |__________________________________________________________________________|____________| Larynx | + + + + + + + + + + + + + + + + + + A + + + + + +| 49 | Foreign Body | 4 | 2 4.0| Inflammation, Suppurative | | 1 2.0| |__________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemorrhage | | 1 2.0| Inflammation, Chronic, Focal | 1 1 | 4 1.5| Alveolar Epithelium, Hyperplasia | 2 2 | 8 1.8| Alveolar Epithelium, Hypertrophy | | 1 1.0| Alveolus, Infiltration Cellular, | | | Focal, Histiocyte | 1 1 2 1 3 2 1 1| 12 1.6| Interstitium, Fibrosis | | 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 73 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 3| 7| 7| 7| 7| 6| 7| 7| 7| 7| 1| 7| 7| 7| 7| 7| 6| | DAY ON TEST | 3| 3| 3| 3| 3| 1| 0| 1| 9| 2| 2| 2| 3| 5| 2| 3| 3| 3| 0| 3| 3| 2| 2| 3| 5| | | 0| 0| 0| 1| 0| 7| 4| 0| 3| 9| 9| 9| 0| 9| 9| 0| 1| 0| 6| 1| 1| 9| 9| 1| 4| | __________________________________________|__________________________________________________________________________| 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 | 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| A | 100 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | _____________________________________________________________________________________________________________________|____________| RESPIRATORY SYSTEM - cont | | | |__________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + A + + + + + +| 48 | Foreign Body | | 1 3.0| Inflammation, Suppurative | 1 2 1 | 9 1.4| Glands, Dilatation | 1 1 1 1 1 1 1 1 2 1 1 | 30 1.2| Goblet Cell, Hyperplasia | 1 | 3 1.7| Nasolacrimal Duct, Inflammation, | | | Suppurative | 2 1 | 6 1.7| Olfactory Epithelium, Degeneration | 1 2 2 2 1 1 2 1 1 2 2 1 2 1 2 2 2 1 1 2 2 1 1| 47 1.6| Olfactory Epithelium, Hyperplasia, | | | Basal Cell | 1 1 1 1 1 1 1 | 21 1.0| Olfactory Epithelium, Metaplasia | 1 | 1 1.0| Turbinate, Cyst | | 1 2.0| |__________________________________________________________________________|____________| Pleura | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + A + + + + + +| 49 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | |__________________________________________________________________________|____________| Eye | + + + + + + + + + + + + + + + + + + A + + + + + +| 48 | Lens, Cataract | | 1 4.0| Retina, Atrophy | | 1 4.0| |__________________________________________________________________________|____________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | |__________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + A + + + + + +| 49 | Cyst | 4 | 1 4.0| Nephropathy, Chronic | 4 1 1 3 3 1 1 1 2 1 1 2 2 2 1 3 3 2 1 1| 41 1.5| Cortex, Infarct | | 1 2.0| Cortex, Renal Tubule, Hyperplasia | 1 1 | 2 1.0| Medulla, Infarct | 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: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 3| 7| 7| 7| 7| 6| 7| 7| 7| 7| 1| 7| 7| 7| 7| 7| 6| | DAY ON TEST | 3| 3| 3| 3| 3| 1| 0| 1| 9| 2| 2| 2| 3| 5| 2| 3| 3| 3| 0| 3| 3| 2| 2| 3| 5| | | 0| 0| 0| 1| 0| 7| 4| 0| 3| 9| 9| 9| 0| 9| 9| 0| 1| 0| 6| 1| 1| 9| 9| 1| 4| | __________________________________________|__________________________________________________________________________| 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 | 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| A | 100 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | _____________________________________________________________________________________________________________________|____________| URINARY SYSTEM - cont | | | Medulla, Infiltration Cellular, | | | Lipocyte | | 1 3.0| Pelvis, Transitional Epithelium, | | | Hyperplasia | 2 | 1 2.0| |__________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + A + + + + + +| 49 | Calculus Micro Observation Only | 3 2 | 2 2.5| Hemorrhage | | 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 75 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 6| 7| 6| 6| 5| 7| 7| 7| 7| 6| 7| 7| 6| 6| 7| 1| 4| 7| 7| 5| 7| DAY ON TEST | 3| 3| 3| 3| 6| 2| 8| 9| 6| 2| 2| 3| 3| 5| 2| 3| 9| 1| 3| 1| 6| 2| 2| 8| 2| | 0| 1| 1| 0| 1| 9| 7| 4| 8| 9| 9| 1| 1| 3| 9| 1| 4| 7| 0| 4| 0| 9| 9| 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 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| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 200 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM | | |__________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Colon | + + + + + + A + A + + + + + + + + + + + A + + + +| |__________________________________________________________________________| Intestine Large, Rectum | + + + + + + A + A + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Cecum | + + + + + + A + A + + + + + + + + + + A A + + + +| |__________________________________________________________________________| Intestine Small, Duodenum | + + + + + + A + A + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Jejunum | + + + + + + A + A + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Ileum | + + + + + + A + A + + + + + + + + + + + A + + + +| |__________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | | Clear Cell Focus | 4 | Hepatodiaphragmatic Nodule | 4 4 | Necrosis | 4 2| Vacuolization Cytoplasmic | 3 | Bile Duct, Hyperplasia | | Hepatocyte, Regeneration | 4| Periportal, Inflammation, Chronic | 2 | |__________________________________________________________________________| Mesentery | + + + + + + | Necrosis | 3 3 3 2 2 3 | |__________________________________________________________________________| Oral Mucosa | | |__________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Thrombosis | 4| Acinus, Atrophy | 1 1 1 2 2 4 1 3 1 1 1 2 1 3 2 1| Acinus, Hyperplasia | 3 | Duct, Cyst | 3 | |__________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| __________________________________________|__________________________________________________________________________| Page 76 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 6| 7| 6| 6| 5| 7| 7| 7| 7| 6| 7| 7| 6| 6| 7| 1| 4| 7| 7| 5| 7| DAY ON TEST | 3| 3| 3| 3| 6| 2| 8| 9| 6| 2| 2| 3| 3| 5| 2| 3| 9| 1| 3| 1| 6| 2| 2| 8| 2| | 0| 1| 1| 0| 1| 9| 7| 4| 8| 9| 9| 1| 1| 3| 9| 1| 4| 7| 0| 4| 0| 9| 9| 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 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| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 200 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM - cont | | Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| Ulcer | | |__________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Erosion | 2| Ulcer | 3 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | |__________________________________________________________________________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | | Atrium, Thrombosis | 4 | Pericardium, Inflammation | 3 | Pericardium, Pigmentation | 4 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | |__________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Vacuolization Cytoplasmic | 3 2 2 1 | |__________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 3 3 3| |__________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | | |__________________________________________________________________________| Parathyroid Gland | + + + + + + + + + M + + + + + + + + + + + + + + +| |__________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 4 | Pars Distalis, Hyperplasia | 2 3 2 1 3 | |__________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| C-Cell, Hyperplasia | 2 2 4 1 3 3 4 2| Follicular Cell, Hyperplasia | | __________________________________________|__________________________________________________________________________| Page 77 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 6| 7| 6| 6| 5| 7| 7| 7| 7| 6| 7| 7| 6| 6| 7| 1| 4| 7| 7| 5| 7| DAY ON TEST | 3| 3| 3| 3| 6| 2| 8| 9| 6| 2| 2| 3| 3| 5| 2| 3| 9| 1| 3| 1| 6| 2| 2| 8| 2| | 0| 1| 1| 0| 1| 9| 7| 4| 8| 9| 9| 1| 1| 3| 9| 1| 4| 7| 0| 4| 0| 9| 9| 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 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| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 200 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| GENERAL BODY SYSTEM | | |__________________________________________________________________________| Peritoneum | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | |__________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Penis | + +| Inflammation | 4| |__________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 4 | Hyperplasia | | |__________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | | Inflammation, Suppurative | 2 4| |__________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| Artery, Inflammation, Chronic Active | | Germinal Epithelium, Atrophy | 3 4 2 3 4 3 | Interstitial Cell, Hyperplasia | 2 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | |__________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Lymph Node | + + + | Deep Cervical, Hemorrhage | 3 | Pancreatic, Ectasia | | Pancreatic, Infiltration Cellular, | | Histiocyte | | |__________________________________________________________________________| Lymph Node, Bronchial | M + M M M M M M + M M M M M M M M M M M + M M M +| |__________________________________________________________________________| Lymph Node, Mandibular | M M M M M M M M M M M M M M M M M M M M M M M M M| __________________________________________|__________________________________________________________________________| Page 78 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 6| 7| 6| 6| 5| 7| 7| 7| 7| 6| 7| 7| 6| 6| 7| 1| 4| 7| 7| 5| 7| DAY ON TEST | 3| 3| 3| 3| 6| 2| 8| 9| 6| 2| 2| 3| 3| 5| 2| 3| 9| 1| 3| 1| 6| 2| 2| 8| 2| | 0| 1| 1| 0| 1| 9| 7| 4| 8| 9| 9| 1| 1| 3| 9| 1| 4| 7| 0| 4| 0| 9| 9| 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 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| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 200 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | |__________________________________________________________________________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia, Lymphoid | 4 | Infiltration Cellular, Histiocyte | 4 | |__________________________________________________________________________| Lymph Node, Mediastinal | + + + + M + + M M M + + M + + + + M + + M M + M M| |__________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Fibrosis | 4 3 | Hemorrhage | 4 | Necrosis | | |__________________________________________________________________________| Thymus | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 3 | _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | |__________________________________________________________________________| Mammary Gland | M M + + + + M + + + + + + + + + + + + + + + + + +| Galactocele | 4 4 4 | |__________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst Epithelial Inclusion | 4 | Hyperkeratosis | | Inflammation, Acute | 4 4 | Ulcer | 4 3 | Subcutaneous Tissue, Thrombosis | 4 | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | |__________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperostosis | | |__________________________________________________________________________| Skeletal Muscle | + | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | |__________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Compression | 3 3 3 | __________________________________________|__________________________________________________________________________| Page 79 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 6| 7| 6| 6| 5| 7| 7| 7| 7| 6| 7| 7| 6| 6| 7| 1| 4| 7| 7| 5| 7| DAY ON TEST | 3| 3| 3| 3| 6| 2| 8| 9| 6| 2| 2| 3| 3| 5| 2| 3| 9| 1| 3| 1| 6| 2| 2| 8| 2| | 0| 1| 1| 0| 1| 9| 7| 4| 8| 9| 9| 1| 1| 3| 9| 1| 4| 7| 0| 4| 0| 9| 9| 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 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| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 200 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| NERVOUS SYSTEM - cont | | |__________________________________________________________________________| Peripheral Nerve | + | |__________________________________________________________________________| Spinal Cord | + | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | |__________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| Foreign Body | 4 4 | Inflammation, Suppurative | 4 | Epiglottis, Metaplasia, Squamous | 3 | |__________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 2 2 2 1 | Inflammation, Chronic, Diffuse | 2 | Inflammation, Chronic, Focal | 1 | Inflammation, Chronic | 3| Necrosis | | Alveolar Epithelium, Hyperplasia | 2 1 3 1 2 | Alveolar Epithelium, Hypertrophy | | Alveolus, Infiltration Cellular, | | Focal, Histiocyte | 2 2 2 1 1 2 1 1 | Interstitium, Fibrosis | 1 | Mediastinum, Inflammation, Chronic | 2 | Mediastinum, Pigmentation | 4 | |__________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Foreign Body | 1 1 | Inflammation, Suppurative | 1 1 1 2 1 3 1 2 2 2 2 2 2| Glands, Dilatation | 1 1 1 1 2 2 2 1 2 1 2 2 1 1 2 1 2 2 1 1 2 2 2| Goblet Cell, Hyperplasia | 1 2 3 1 2 | Nasolacrimal Duct, Inflammation, | | Suppurative | | Nasopharyngeal Duct, Inflammation, | | Suppurative | 2 | Olfactory Epithelium, Degeneration, | | Hyaline | 1 | Olfactory Epithelium, Degeneration | 2 2 1 2 2 2 2 1 2 2 2 2 3 2 2 2 2 1 2 2 2 2 2 2| __________________________________________|__________________________________________________________________________| Page 80 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 _____________________________________________________________________________________________________________________ | 7| 7| 7| 7| 6| 7| 6| 6| 5| 7| 7| 7| 7| 6| 7| 7| 6| 6| 7| 1| 4| 7| 7| 5| 7| DAY ON TEST | 3| 3| 3| 3| 6| 2| 8| 9| 6| 2| 2| 3| 3| 5| 2| 3| 9| 1| 3| 1| 6| 2| 2| 8| 2| | 0| 1| 1| 0| 1| 9| 7| 4| 8| 9| 9| 1| 1| 3| 9| 1| 4| 7| 0| 4| 0| 9| 9| 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 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| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 200 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| RESPIRATORY SYSTEM - cont | | Olfactory Epithelium, Hyperplasia, | | Basal Cell | 2 2 2 1 2 2 2 2 2 1 2 1 1 2 1 2 1 1 2 2 2 1| |__________________________________________________________________________| Pleura | + + + + + + + + + + + + + + + + + + + + + + + + +| Mesothelium, Hyperplasia | 2 | |__________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | |__________________________________________________________________________| Eye | + + + + + + A + A + + + + + + + + + + + + + + + +| Anterior Chamber, Hemorrhage | | Lens, Cataract | 3 | |__________________________________________________________________________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Atrophy | | |__________________________________________________________________________| Zymbal's Gland | + | Inflammation, Suppurative | | _____________________________________________________________________________________________________________________| URINARY SYSTEM | | |__________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Nephropathy, Chronic | 1 2 4 1 3 2 2 1 1 2 1 1 1 3 3 2 2 2| |__________________________________________________________________________| Urethra | | Transitional Epithelium, Hyperplasia | | |__________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Calculus Micro Observation Only | 2 4| Hemorrhage | | Transitional Epithelium, Hyperplasia | | __________________________________________|__________________________________________________________________________ Page 81 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 5| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| | DAY ON TEST | 3| 1| 3| 2| 2| 3| 3| 2| 7| 3| 2| 2| 7| 1| 3| 3| 2| 2| 2| 2| 3| 3| 3| 4| 3| | | 0| 7| 0| 9| 2| 0| 0| 9| 6| 1| 9| 9| 8| 9| 0| 0| 9| 9| 9| 3| 1| 0| 1| 4| 1| | __________________________________________|__________________________________________________________________________| 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 | 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| A | 200 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| 47 | |__________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | |__________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| 46 | |__________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | |__________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + A + + + + + + + + + + + + + + + +| 47 | |__________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + A + + + + + + + + + + + + + + A +| 45 | |__________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Angiectasis | 4 | 1 4.0| Clear Cell Focus | | 1 4.0| Hepatodiaphragmatic Nodule | 4 4 | 4 4.0| Necrosis | 1 | 3 2.3| Vacuolization Cytoplasmic | 3 2 | 3 2.7| Bile Duct, Hyperplasia | 2 2 2 | 3 2.0| Hepatocyte, Regeneration | | 1 4.0| Periportal, Inflammation, Chronic | 2 | 2 2.0| |__________________________________________________________________________|____________| Mesentery | + + + + + + + + + + + +| 18 | Necrosis | 3 3 3 3 3 3 3 3 3 3 3 3| 18 2.9| |__________________________________________________________________________|____________| Oral Mucosa | + | 1 | |__________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Thrombosis | | 1 4.0| Acinus, Atrophy | 1 1 2 3 1 3 1 3 2 1 1 | 27 1.7| Acinus, Hyperplasia | | 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 82 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 5| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| | DAY ON TEST | 3| 1| 3| 2| 2| 3| 3| 2| 7| 3| 2| 2| 7| 1| 3| 3| 2| 2| 2| 2| 3| 3| 3| 4| 3| | | 0| 7| 0| 9| 2| 0| 0| 9| 6| 1| 9| 9| 8| 9| 0| 0| 9| 9| 9| 3| 1| 0| 1| 4| 1| | __________________________________________|__________________________________________________________________________| 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 | 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| A | 200 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM - cont | | | Duct, Cyst | 3 3 | 3 3.0| |__________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Ulcer | 4 | 1 4.0| |__________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Erosion | 3 | 2 2.5| Ulcer | | 1 3.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | |__________________________________________________________________________|____________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cardiomyopathy | 2 | 1 2.0| Atrium, Thrombosis | 4 | 2 4.0| Pericardium, Inflammation | | 1 3.0| Pericardium, Pigmentation | | 1 4.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | |__________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Vacuolization Cytoplasmic | 2 1 1 | 7 1.7| |__________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 1 3 2 1 3| 8 2.4| |__________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 3 1 | 2 2.0| |__________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | |__________________________________________________________________________|____________| _____________________________________________________________________________________________________________________|____________| * : 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 83 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 5| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| | DAY ON TEST | 3| 1| 3| 2| 2| 3| 3| 2| 7| 3| 2| 2| 7| 1| 3| 3| 2| 2| 2| 2| 3| 3| 3| 4| 3| | | 0| 7| 0| 9| 2| 0| 0| 9| 6| 1| 9| 9| 8| 9| 0| 0| 9| 9| 9| 3| 1| 0| 1| 4| 1| | __________________________________________|__________________________________________________________________________| 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 | 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| A | 200 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | _____________________________________________________________________________________________________________________|____________| ENDOCRINE SYSTEM - cont | | | Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | | 1 4.0| Pars Distalis, Hyperplasia | 4 3 1 4 | 9 2.6| |__________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | C-Cell, Hyperplasia | 2 | 9 2.6| Follicular Cell, Hyperplasia | 1 4 | 2 2.5| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | |__________________________________________________________________________|____________| Peritoneum | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | |__________________________________________________________________________|____________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Penis | | 2 | Inflammation | | 1 4.0| |__________________________________________________________________________|____________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst | 4 | 2 4.0| Hyperplasia | 4 | 1 4.0| |__________________________________________________________________________|____________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 1 | 1 1.0| Inflammation, Suppurative | 4 4 | 4 3.5| |__________________________________________________________________________|____________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Artery, Inflammation, Chronic Active | 3 3 | 2 3.0| Germinal Epithelium, Atrophy | 2 4 3 4 4 | 11 3.3| Interstitial Cell, Hyperplasia | 3 | 2 2.5| _____________________________________________________________________________________________________________________| | * : 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 84 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 5| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| | DAY ON TEST | 3| 1| 3| 2| 2| 3| 3| 2| 7| 3| 2| 2| 7| 1| 3| 3| 2| 2| 2| 2| 3| 3| 3| 4| 3| | | 0| 7| 0| 9| 2| 0| 0| 9| 6| 1| 9| 9| 8| 9| 0| 0| 9| 9| 9| 3| 1| 0| 1| 4| 1| | __________________________________________|__________________________________________________________________________| 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 | 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| A | 200 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | _____________________________________________________________________________________________________________________|____________| HEMATOPOIETIC SYSTEM | | | |__________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Lymph Node | + + + + + + + + | 11 | Deep Cervical, Hemorrhage | | 1 3.0| Pancreatic, Ectasia | 3 | 1 3.0| Pancreatic, Infiltration Cellular, | | | Histiocyte | 3 | 1 3.0| |__________________________________________________________________________|____________| Lymph Node, Bronchial | + + + M + + M + M M M M M M M M M M M M M + + M M| 12 | |__________________________________________________________________________|____________| Lymph Node, Mandibular | M M M M M M M M M M M M M M M M M + M M + + + M M| 4 | |__________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia, Lymphoid | | 1 4.0| Infiltration Cellular, Histiocyte | | 1 4.0| |__________________________________________________________________________|____________| Lymph Node, Mediastinal | M + M M M M + M M M M M + M M M M + + + + + + + M| 25 | |__________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Fibrosis | 4 2 | 4 3.3| Hemorrhage | | 1 4.0| Necrosis | 4 | 1 4.0| |__________________________________________________________________________|____________| Thymus | M M + + + + + + + + + + + + + + + + + + M M + + +| 46 | Hemorrhage | | 1 3.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 47 | Galactocele | 4 4 4 | 6 4.0| |__________________________________________________________________________|____________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst Epithelial Inclusion | 4 4 | 3 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 85 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 5| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| | DAY ON TEST | 3| 1| 3| 2| 2| 3| 3| 2| 7| 3| 2| 2| 7| 1| 3| 3| 2| 2| 2| 2| 3| 3| 3| 4| 3| | | 0| 7| 0| 9| 2| 0| 0| 9| 6| 1| 9| 9| 8| 9| 0| 0| 9| 9| 9| 3| 1| 0| 1| 4| 1| | __________________________________________|__________________________________________________________________________| 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 | 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| A | 200 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | _____________________________________________________________________________________________________________________|____________| INTEGUMENTARY SYSTEM - cont | | | Hyperkeratosis | 4 3 | 2 3.5| Inflammation, Acute | | 2 4.0| Ulcer | | 2 3.5| Subcutaneous Tissue, Thrombosis | | 1 4.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | |__________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperostosis | 3 | 1 3.0| |__________________________________________________________________________|____________| Skeletal Muscle | | 1 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | |__________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Compression | 2 3 3 3 3 | 8 2.9| |__________________________________________________________________________|____________| Peripheral Nerve | | 1 | |__________________________________________________________________________|____________| Spinal Cord | | 1 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | |__________________________________________________________________________|____________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Foreign Body | 4 | 3 4.0| Inflammation, Suppurative | | 1 4.0| Epiglottis, Metaplasia, Squamous | | 1 3.0| |__________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemorrhage | | 4 1.8| Inflammation, Chronic, Diffuse | | 1 2.0| Inflammation, Chronic, Focal | 1 1 1 4 | 5 1.6| Inflammation, Chronic | | 1 3.0| Necrosis | 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 86 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 5| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| | DAY ON TEST | 3| 1| 3| 2| 2| 3| 3| 2| 7| 3| 2| 2| 7| 1| 3| 3| 2| 2| 2| 2| 3| 3| 3| 4| 3| | | 0| 7| 0| 9| 2| 0| 0| 9| 6| 1| 9| 9| 8| 9| 0| 0| 9| 9| 9| 3| 1| 0| 1| 4| 1| | __________________________________________|__________________________________________________________________________| 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 | 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| A | 200 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | _____________________________________________________________________________________________________________________|____________| RESPIRATORY SYSTEM - cont | | | Alveolar Epithelium, Hyperplasia | 1 | 6 1.7| Alveolar Epithelium, Hypertrophy | 1 | 1 1.0| Alveolus, Infiltration Cellular, | | | Focal, Histiocyte | 1 2 1 | 11 1.5| Interstitium, Fibrosis | | 1 1.0| Mediastinum, Inflammation, Chronic | | 1 2.0| Mediastinum, Pigmentation | | 1 4.0| |__________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Foreign Body | 3 | 3 1.7| Inflammation, Suppurative | 2 2 1 2 | 17 1.7| Glands, Dilatation | 1 1 2 2 1 1 2 1 1 2 2 2 1 2 1 1 1 1 2 1 2 2 2 1 1| 48 1.5| Goblet Cell, Hyperplasia | 1 2 | 7 1.7| Nasolacrimal Duct, Inflammation, | | | Suppurative | 1 | 1 1.0| Nasopharyngeal Duct, Inflammation, | | | Suppurative | | 1 2.0| Olfactory Epithelium, Degeneration, | | | Hyaline | 1 | 2 1.0| Olfactory Epithelium, Degeneration | 1 2 2 2 1 1 2 1 1 1 1 2 1 1 1 2 1 2 2 1 2 2 1 1 2| 49 1.7| Olfactory Epithelium, Hyperplasia, | | | Basal Cell | 1 1 2 1 1 1 1 1 1 1 2 1 1 1 1 1 2 1 2 2 1 1| 44 1.4| |__________________________________________________________________________|____________| Pleura | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Mesothelium, Hyperplasia | | 1 2.0| |__________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | |__________________________________________________________________________|____________| Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Anterior Chamber, Hemorrhage | 4 | 1 4.0| Lens, Cataract | 3 3 | 3 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 87 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 __________________________________________________________________________________________________________________________________ | 7| 7| 7| 7| 7| 7| 7| 7| 6| 7| 7| 7| 5| 6| 7| 7| 7| 7| 7| 7| 7| 7| 7| 5| 7| | DAY ON TEST | 3| 1| 3| 2| 2| 3| 3| 2| 7| 3| 2| 2| 7| 1| 3| 3| 2| 2| 2| 2| 3| 3| 3| 4| 3| | | 0| 7| 0| 9| 2| 0| 0| 9| 6| 1| 9| 9| 8| 9| 0| 0| 9| 9| 9| 3| 1| 0| 1| 4| 1| | __________________________________________|__________________________________________________________________________| 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 | 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| A | 200 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | _____________________________________________________________________________________________________________________|____________| SPECIAL SENSES SYSTEM - cont | | | Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Atrophy | 4 | 1 4.0| |__________________________________________________________________________|____________| Zymbal's Gland | + + | 3 | Inflammation, Suppurative | 4 | 1 4.0| _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | |__________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Nephropathy, Chronic | 2 2 4 2 2 1 2 2 4 1 1 2 1 1 2 3 3 2 4 2 2 3 3| 41 2.1| |__________________________________________________________________________|____________| Urethra | + | 1 | Transitional Epithelium, Hyperplasia | 3 | 1 3.0| |__________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Calculus Micro Observation Only | 4 X | 4 3.3| Hemorrhage | 3 | 1 3.0| Transitional Epithelium, Hyperplasia | 2 | 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 88 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 _____________________________________________________________________________________________________________________ | 7| 5| 7| 7| 7| 7| 7| 7| 5| 7| 7| 6| 6| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 3| 6| 2| 3| 2| 2| 3| 2| 6| 3| 3| 3| 8| 1| 3| 2| 2| 2| 3| 2| 0| 3| 3| 3| 2| | 0| 7| 9| 1| 9| 9| 0| 9| 2| 1| 1| 8| 7| 3| 1| 9| 4| 9| 0| 9| 8| 1| 1| 1| 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 | 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| 400 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM | | |__________________________________________________________________________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| Foreign Body | | |__________________________________________________________________________| Intestine Large, Colon | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Rectum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Large, Cecum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Duodenum | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Jejunum | + A + + + + + + A + + + + A + + + + + + + + + + +| |__________________________________________________________________________| Intestine Small, Ileum | + A + + + + + + A + + + + A + + + + + + + + + + +| |__________________________________________________________________________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| Angiectasis | | Clear Cell Focus | 4 | Hepatodiaphragmatic Nodule | 4 4 4 | Necrosis | 3 | Vacuolization Cytoplasmic | 2 | Serosa, Fibrosis | | Serosa, Hemorrhage | | |__________________________________________________________________________| Mesentery | + + + | Necrosis | 3 3 3 | Fat, Hemorrhage | | |__________________________________________________________________________| Oral Mucosa | + | Gingival, Cyst | 4 | |__________________________________________________________________________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| Acinus, Atrophy | 2 3 3 2 1 1 3 2 2 2 4 2 3 1| |__________________________________________________________________________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| __________________________________________|__________________________________________________________________________| Page 89 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 _____________________________________________________________________________________________________________________ | 7| 5| 7| 7| 7| 7| 7| 7| 5| 7| 7| 6| 6| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 3| 6| 2| 3| 2| 2| 3| 2| 6| 3| 3| 3| 8| 1| 3| 2| 2| 2| 3| 2| 0| 3| 3| 3| 2| | 0| 7| 9| 1| 9| 9| 0| 9| 2| 1| 1| 8| 7| 3| 1| 9| 4| 9| 0| 9| 8| 1| 1| 1| 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 | 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| 400 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| ALIMENTARY SYSTEM - cont | | |__________________________________________________________________________| Stomach, Glandular | + + + + + + + + + + + + + + + + + + + + + + + + +| Erosion | 3 2 | Epithelium, Hyperplasia | 2 | _____________________________________________________________________________________________________________________| CARDIOVASCULAR SYSTEM | | |__________________________________________________________________________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| Cardiomyopathy | | Atrium, Thrombosis | 4 | _____________________________________________________________________________________________________________________| ENDOCRINE SYSTEM | | |__________________________________________________________________________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 1 | Vacuolization Cytoplasmic | 2 2 1 | |__________________________________________________________________________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 3 2 3 1 3 2 2 3 | Bilateral, Hyperplasia | 4 | |__________________________________________________________________________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| Hyperplasia | 3 | |__________________________________________________________________________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + M + + + + + +| |__________________________________________________________________________| Pituitary Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | 3 | Hemorrhage | | Pars Distalis, Hyperplasia | 3 3 3 2 3 3 | |__________________________________________________________________________| Thyroid Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| C-Cell, Hyperplasia | 3 2 3 2 | Follicular Cell, Hyperplasia | 1 | _____________________________________________________________________________________________________________________| GENERAL BODY SYSTEM | | __________________________________________|__________________________________________________________________________| Page 90 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 _____________________________________________________________________________________________________________________ | 7| 5| 7| 7| 7| 7| 7| 7| 5| 7| 7| 6| 6| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 3| 6| 2| 3| 2| 2| 3| 2| 6| 3| 3| 3| 8| 1| 3| 2| 2| 2| 3| 2| 0| 3| 3| 3| 2| | 0| 7| 9| 1| 9| 9| 0| 9| 2| 1| 1| 8| 7| 3| 1| 9| 4| 9| 0| 9| 8| 1| 1| 1| 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 | 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| 400 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| GENERAL BODY SYSTEM - cont | | |__________________________________________________________________________| Peritoneum | + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| GENITAL SYSTEM | | |__________________________________________________________________________| Coagulating Gland | | |__________________________________________________________________________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Preputial Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | | Hyperplasia | | |__________________________________________________________________________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | 1 | |__________________________________________________________________________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| Dilatation | | |__________________________________________________________________________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| Germinal Epithelium, Atrophy | 4 3 4 3 | Interstitial Cell, Hyperplasia | 2 3 3 | _____________________________________________________________________________________________________________________| HEMATOPOIETIC SYSTEM | | |__________________________________________________________________________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Lymph Node | + + + | Deep Cervical, Angiectasis | | Pancreatic, Hemorrhage | 3 | |__________________________________________________________________________| Lymph Node, Bronchial | M M M M M M M M + M M M M M M M M M M M M M + M M| Hemorrhage | 3 | Infiltration Cellular | 3 | Pigmentation | 3 | |__________________________________________________________________________| Lymph Node, Mandibular | M M M M M M M M M M M M M M M M M M M M M M M M M| |__________________________________________________________________________| __________________________________________|__________________________________________________________________________| Page 91 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 _____________________________________________________________________________________________________________________ | 7| 5| 7| 7| 7| 7| 7| 7| 5| 7| 7| 6| 6| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 3| 6| 2| 3| 2| 2| 3| 2| 6| 3| 3| 3| 8| 1| 3| 2| 2| 2| 3| 2| 0| 3| 3| 3| 2| | 0| 7| 9| 1| 9| 9| 0| 9| 2| 1| 1| 8| 7| 3| 1| 9| 4| 9| 0| 9| 8| 1| 1| 1| 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 | 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| 400 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| HEMATOPOIETIC SYSTEM - cont | | Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| Hemorrhage | 3 | Infiltration Cellular, Histiocyte | 4 3 3 | |__________________________________________________________________________| Lymph Node, Mediastinal | M + + M + + + + + + + + + + + + + + M + + + + + +| Angiectasis | 4 | Hyperplasia, Lymphoid | | |__________________________________________________________________________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| Accessory Spleen | | Fibrosis | | Hematopoietic Cell Proliferation | 4 | Hemorrhage | | Necrosis | | |__________________________________________________________________________| Thymus | + + + + + + + + + M M + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| INTEGUMENTARY SYSTEM | | |__________________________________________________________________________| Mammary Gland | + + + + + + + + + M + + + + + + + + + + + + + + +| Galactocele | 4 4 | |__________________________________________________________________________| Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst Epithelial Inclusion | | Inflammation, Granulomatous | | _____________________________________________________________________________________________________________________| MUSCULOSKELETAL SYSTEM | | |__________________________________________________________________________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Skeletal Muscle | + | _____________________________________________________________________________________________________________________| NERVOUS SYSTEM | | |__________________________________________________________________________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| Compression | 3 3 3 | Gliosis | | Hemorrhage | | __________________________________________|__________________________________________________________________________| Page 92 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 _____________________________________________________________________________________________________________________ | 7| 5| 7| 7| 7| 7| 7| 7| 5| 7| 7| 6| 6| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 3| 6| 2| 3| 2| 2| 3| 2| 6| 3| 3| 3| 8| 1| 3| 2| 2| 2| 3| 2| 0| 3| 3| 3| 2| | 0| 7| 9| 1| 9| 9| 0| 9| 2| 1| 1| 8| 7| 3| 1| 9| 4| 9| 0| 9| 8| 1| 1| 1| 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 | 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| 400 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| NERVOUS SYSTEM - cont | | |__________________________________________________________________________| Peripheral Nerve | + | |__________________________________________________________________________| Spinal Cord | + | _____________________________________________________________________________________________________________________| RESPIRATORY SYSTEM | | |__________________________________________________________________________| Larynx | + + + + + + + + + + + + + + + + + + + + + + + + +| Foreign Body | 3 | Inflammation, Suppurative | | Epiglottis, Metaplasia, Squamous | | |__________________________________________________________________________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| Congestion | | Hemorrhage | 1 1 | Inflammation, Chronic, Focal | 1 1 1 1 2 1 1 | Alveolar Epithelium, Hyperplasia | 4 2 3 | Alveolar Epithelium, Hypertrophy | 1 | Alveolus, Hypertrophy | 1 | Alveolus, Infiltration Cellular, | | Focal, Histiocyte | 2 2 1 | Interstitium, Fibrosis | 1 | Perivascular, Edema | 1 | Perivascular, Infiltration Cellular, | | Eosinophil | 1 | |__________________________________________________________________________| Nose | + + + + + + + + + + + + + + + + + + + + + + + + +| Inflammation, Suppurative | 1 3 1 1 | Glands, Dilatation | 1 1 2 1 1 2 1 1 2 1 1 1 1 2 2 1 2 2 1 1 2 2 2 1| Goblet Cell, Hyperplasia | 1 1 3 1 1 3 2 2 2 1 | Nasolacrimal Duct, Inflammation, | | Suppurative | 1 | Nasopharyngeal Duct, Cyst | 4 | Nasopharyngeal Duct, Foreign Body | 1 | Nasopharyngeal Duct, Respiratory | | Epithelium, Hyperplasia | 4 | Olfactory Epithelium, Degeneration, | | Hyaline | | __________________________________________|__________________________________________________________________________| Page 93 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 _____________________________________________________________________________________________________________________ | 7| 5| 7| 7| 7| 7| 7| 7| 5| 7| 7| 6| 6| 5| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| 7| DAY ON TEST | 3| 6| 2| 3| 2| 2| 3| 2| 6| 3| 3| 3| 8| 1| 3| 2| 2| 2| 3| 2| 0| 3| 3| 3| 2| | 0| 7| 9| 1| 9| 9| 0| 9| 2| 1| 1| 8| 7| 3| 1| 9| 4| 9| 0| 9| 8| 1| 1| 1| 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 | 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| 400 PPM | 0| 0| 0| 0| 0| 0| 0| 0| 0| 1| 1| 1| 1| 1| 1| 1| 1| 1| 1| 2| 2| 2| 2| 2| 2| | 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| __________________________________________|__________________________________________________________________________| RESPIRATORY SYSTEM - cont | | Olfactory Epithelium, Degeneration | 2 2 3 2 2 2 2 2 2 3 2 2 1 2 2 2 2 2 2 2 2 2 2 2 2| Olfactory Epithelium, Hyperplasia, | | Basal Cell | 2 2 3 1 2 2 1 1 2 2 2 1 2 2 2 2 1 2 2 2 2 1 2 2| Olfactory Epithelium, Metaplasia | | |__________________________________________________________________________| Pleura | + + + + + + + + + + + + + + + + + + + + + + + + +| |__________________________________________________________________________| Trachea | + + + + + + + + + + + + + + + + + + + + + + + + +| Glands, Degeneration, Cystic | 1 2 2 1 | _____________________________________________________________________________________________________________________| SPECIAL SENSES SYSTEM | | |__________________________________________________________________________| Eye | + + + + + + + + + + + + + + + + + + + + + + + + +| Cornea, Mineralization | 1 | Lens, Cataract | 2 | |__________________________________________________________________________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| _____________________________________________________________________________________________________________________| URINARY SYSTEM | | |__________________________________________________________________________| Kidney | + + + + + + + + + + + + + + + + + + + + + + + + +| Cyst | | Nephropathy, Chronic | 1 1 2 2 1 2 2 1 1 2 1 1 2 1 2 2 2 3 1 4 2 4 1 1| Cortex, Renal Tubule, Degeneration | 2 | Cortex, Renal Tubule, Hyperplasia | 4 | Papilla, Renal Tubule, Dilatation | | Pelvis, Transitional Epithelium, | | Mineralization | | |__________________________________________________________________________| Urinary Bladder | + + + + + + + + + + + + + + + + + + + + + + + + +| Calculus Micro Observation Only | 3 2 1 | __________________________________________|__________________________________________________________________________ Page 94 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 __________________________________________________________________________________________________________________________________ | 7| 7| 6| 6| 6| 7| 7| 6| 6| 7| 7| 6| 7| 7| 7| 7| 7| 5| 7| 5| 7| 6| 7| 7| 7| | DAY ON TEST | 2| 2| 8| 7| 1| 3| 2| 8| 3| 3| 2| 9| 3| 2| 2| 2| 3| 8| 2| 6| 2| 8| 2| 2| 1| | | 9| 9| 2| 4| 4| 0| 9| 0| 3| 0| 9| 4| 1| 9| 3| 9| 0| 9| 9| 9| 9| 0| 9| 9| 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 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 | 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| A | 400 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Esophagus | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Foreign Body | X | 1 | |__________________________________________________________________________|____________| Intestine Large, Colon | + + + + + + + + + + + + + + A + + + + + + + + + +| 49 | |__________________________________________________________________________|____________| Intestine Large, Rectum | + + + + + + + + + + + + + + A + + + + + + + + + +| 49 | |__________________________________________________________________________|____________| Intestine Large, Cecum | + + + + + + + + + + + + + + A + + + + + + + + + +| 49 | |__________________________________________________________________________|____________| Intestine Small, Duodenum | + + + + + + + + + + + + + + A + + + + + + + + + +| 49 | |__________________________________________________________________________|____________| Intestine Small, Jejunum | + + + + + + + + + + + + + + A + + + + + + + + + +| 46 | |__________________________________________________________________________|____________| Intestine Small, Ileum | + + + + + + + + + + + + + + A + + + + + + + + + +| 46 | |__________________________________________________________________________|____________| Liver | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Angiectasis | 3 | 1 3.0| Clear Cell Focus | | 1 4.0| Hepatodiaphragmatic Nodule | 4 4 4 4 4 | 8 4.0| Necrosis | 4 | 2 3.5| Vacuolization Cytoplasmic | 3 2 | 3 2.3| Serosa, Fibrosis | 4 | 1 4.0| Serosa, Hemorrhage | 4 | 1 4.0| |__________________________________________________________________________|____________| Mesentery | + + + + + + + + | 11 | Necrosis | 3 4 3 2 3 3 | 9 3.0| Fat, Hemorrhage | 4 | 1 4.0| |__________________________________________________________________________|____________| Oral Mucosa | + + + | 4 | Gingival, Cyst | | 1 4.0| |__________________________________________________________________________|____________| Pancreas | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Acinus, Atrophy | 1 1 2 1 1 2 2| 21 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 95 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 __________________________________________________________________________________________________________________________________ | 7| 7| 6| 6| 6| 7| 7| 6| 6| 7| 7| 6| 7| 7| 7| 7| 7| 5| 7| 5| 7| 6| 7| 7| 7| | DAY ON TEST | 2| 2| 8| 7| 1| 3| 2| 8| 3| 3| 2| 9| 3| 2| 2| 2| 3| 8| 2| 6| 2| 8| 2| 2| 1| | | 9| 9| 2| 4| 4| 0| 9| 0| 3| 0| 9| 4| 1| 9| 3| 9| 0| 9| 9| 9| 9| 0| 9| 9| 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 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 | 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| A | 400 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM - cont | | | |__________________________________________________________________________|____________| Salivary Glands | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + + + + + A + + + + + + + + + +| 49 | Erosion | | 2 2.5| Epithelium, Hyperplasia | | 1 2.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | |__________________________________________________________________________|____________| Blood Vessel | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Heart | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cardiomyopathy | 2 | 1 2.0| Atrium, Thrombosis | | 1 4.0| _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | |__________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 2 | 2 1.5| Vacuolization Cytoplasmic | 2 2 2 | 6 1.8| |__________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 2 2 2 2 2 3 | 14 2.3| Bilateral, Hyperplasia | | 1 4.0| |__________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hyperplasia | 3 | 2 3.0| |__________________________________________________________________________|____________| Parathyroid Gland | + + + + + + + + + + + + + + + + + + + + M + M + +| 47 | |__________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + + + + + A + + + + + + + + + +| 49 | Cyst | | 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 96 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 __________________________________________________________________________________________________________________________________ | 7| 7| 6| 6| 6| 7| 7| 6| 6| 7| 7| 6| 7| 7| 7| 7| 7| 5| 7| 5| 7| 6| 7| 7| 7| | DAY ON TEST | 2| 2| 8| 7| 1| 3| 2| 8| 3| 3| 2| 9| 3| 2| 2| 2| 3| 8| 2| 6| 2| 8| 2| 2| 1| | | 9| 9| 2| 4| 4| 0| 9| 0| 3| 0| 9| 4| 1| 9| 3| 9| 0| 9| 9| 9| 9| 0| 9| 9| 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 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 | 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| A | 400 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | _____________________________________________________________________________________________________________________|____________| ENDOCRINE SYSTEM - cont | | | Hemorrhage | 3 | 1 3.0| Pars Distalis, Hyperplasia | 2 3 | 8 2.8| |__________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + + + + + A + + + + + + + + + +| 49 | C-Cell, Hyperplasia | 3 2 2 | 7 2.4| Follicular Cell, Hyperplasia | | 1 1.0| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | |__________________________________________________________________________|____________| Peritoneum | + + + + + + + + + + + + + + + + + + + + + + + + +| 49 | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | |__________________________________________________________________________|____________| Coagulating Gland | + | 1 | |__________________________________________________________________________|____________| Epididymis | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Preputial Gland | M + + + + + + + + + + + + + + + + + + + + + + + +| 49 | Cyst | 4 | 1 4.0| Hyperplasia | 4 | 1 4.0| |__________________________________________________________________________|____________| Prostate | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Inflammation, Suppurative | 2| 2 1.5| |__________________________________________________________________________|____________| Seminal Vesicle | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Dilatation | 4 | 1 4.0| |__________________________________________________________________________|____________| Testes | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Germinal Epithelium, Atrophy | 4 3 4 3 3 | 9 3.4| Interstitial Cell, Hyperplasia | | 3 2.7| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | |__________________________________________________________________________|____________| Bone Marrow | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________|____________| * : 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 97 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 __________________________________________________________________________________________________________________________________ | 7| 7| 6| 6| 6| 7| 7| 6| 6| 7| 7| 6| 7| 7| 7| 7| 7| 5| 7| 5| 7| 6| 7| 7| 7| | DAY ON TEST | 2| 2| 8| 7| 1| 3| 2| 8| 3| 3| 2| 9| 3| 2| 2| 2| 3| 8| 2| 6| 2| 8| 2| 2| 1| | | 9| 9| 2| 4| 4| 0| 9| 0| 3| 0| 9| 4| 1| 9| 3| 9| 0| 9| 9| 9| 9| 0| 9| 9| 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 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 | 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| A | 400 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | _____________________________________________________________________________________________________________________|____________| HEMATOPOIETIC SYSTEM - cont | | | |__________________________________________________________________________|____________| Lymph Node | + + + | 6 | Deep Cervical, Angiectasis | 2 | 1 2.0| Pancreatic, Hemorrhage | | 1 3.0| |__________________________________________________________________________|____________| Lymph Node, Bronchial | M M M M M + M + M M M + M M M M M M M M M M M M M| 5 | Hemorrhage | | 1 3.0| Infiltration Cellular | | 1 3.0| Pigmentation | | 1 3.0| |__________________________________________________________________________|____________| Lymph Node, Mandibular | M M M M M M M M M M M M + M M M M M M M M M M M M| 1 | |__________________________________________________________________________|____________| Lymph Node, Mesenteric | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Hemorrhage | | 1 3.0| Infiltration Cellular, Histiocyte | | 3 3.3| |__________________________________________________________________________|____________| Lymph Node, Mediastinal | + + + + + M + + + + + M M + M M M + + + M + M M +| 38 | Angiectasis | | 1 4.0| Hyperplasia, Lymphoid | 3 | 1 3.0| |__________________________________________________________________________|____________| Spleen | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Accessory Spleen | X | 1 | Fibrosis | 4 | 1 4.0| Hematopoietic Cell Proliferation | | 1 4.0| Hemorrhage | 4 | 1 4.0| Necrosis | 4 | 1 4.0| |__________________________________________________________________________|____________| Thymus | + + + + + + + + M + + + + + M M M + + + M + M + +| 42 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Mammary Gland | M + + + + + + + + + + + + + + + + + + + + + + + +| 48 | Galactocele | 4 | 3 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 98 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 __________________________________________________________________________________________________________________________________ | 7| 7| 6| 6| 6| 7| 7| 6| 6| 7| 7| 6| 7| 7| 7| 7| 7| 5| 7| 5| 7| 6| 7| 7| 7| | DAY ON TEST | 2| 2| 8| 7| 1| 3| 2| 8| 3| 3| 2| 9| 3| 2| 2| 2| 3| 8| 2| 6| 2| 8| 2| 2| 1| | | 9| 9| 2| 4| 4| 0| 9| 0| 3| 0| 9| 4| 1| 9| 3| 9| 0| 9| 9| 9| 9| 0| 9| 9| 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 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 | 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| A | 400 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | _____________________________________________________________________________________________________________________|____________| INTEGUMENTARY SYSTEM - cont | | | Skin | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Cyst Epithelial Inclusion | X 4 | 2 4.0| Inflammation, Granulomatous | 4 | 1 4.0| _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | |__________________________________________________________________________|____________| Bone | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Skeletal Muscle | + + + | 4 | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | |__________________________________________________________________________|____________| Brain | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Compression | 4 4 4| 6 3.5| Gliosis | 3 | 1 3.0| Hemorrhage | 3| 1 3.0| |__________________________________________________________________________|____________| Peripheral Nerve | + | 2 | |__________________________________________________________________________|____________| Spinal Cord | + | 2 | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | |__________________________________________________________________________|____________| Larynx | + + + + + + + + + + + + + + A + + + + + + + + + +| 49 | Foreign Body | 2 | 2 2.5| Inflammation, Suppurative | 1 | 1 1.0| Epiglottis, Metaplasia, Squamous | 2 | 1 2.0| |__________________________________________________________________________|____________| Lung | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | Congestion | 2 | 1 2.0| Hemorrhage | 3 1 | 4 1.5| Inflammation, Chronic, Focal | 1 1 1 1 1 1 2 | 14 1.1| Alveolar Epithelium, Hyperplasia | 3 4 3 | 6 3.2| Alveolar Epithelium, Hypertrophy | 1 | 2 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 99 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 __________________________________________________________________________________________________________________________________ | 7| 7| 6| 6| 6| 7| 7| 6| 6| 7| 7| 6| 7| 7| 7| 7| 7| 5| 7| 5| 7| 6| 7| 7| 7| | DAY ON TEST | 2| 2| 8| 7| 1| 3| 2| 8| 3| 3| 2| 9| 3| 2| 2| 2| 3| 8| 2| 6| 2| 8| 2| 2| 1| | | 9| 9| 2| 4| 4| 0| 9| 0| 3| 0| 9| 4| 1| 9| 3| 9| 0| 9| 9| 9| 9| 0| 9| 9| 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 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 | 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| A | 400 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | _____________________________________________________________________________________________________________________|____________| RESPIRATORY SYSTEM - cont | | | Alveolus, Hypertrophy | | 1 1.0| Alveolus, Infiltration Cellular, | | | Focal, Histiocyte | 1 | 4 1.5| Interstitium, Fibrosis | | 1 1.0| Perivascular, Edema | | 1 1.0| Perivascular, Infiltration Cellular, | | | Eosinophil | | 1 1.0| |__________________________________________________________________________|____________| Nose | + + + + + + + + + + + + + + A + + + + + + + + + +| 49 | Inflammation, Suppurative | 2 2 1 2 2 1 | 10 1.6| Glands, Dilatation | 1 2 2 2 1 1 1 1 2 2 2 2 2 1 2 2 1 2 1 1 2 2| 46 1.5| Goblet Cell, Hyperplasia | 1 1 1 2 2 1 | 16 1.6| Nasolacrimal Duct, Inflammation, | | | Suppurative | 3 2 3| 4 2.3| Nasopharyngeal Duct, Cyst | | 1 4.0| Nasopharyngeal Duct, Foreign Body | | 1 1.0| Nasopharyngeal Duct, Respiratory | | | Epithelium, Hyperplasia | | 1 4.0| Olfactory Epithelium, Degeneration, | | | Hyaline | 2 | 1 2.0| Olfactory Epithelium, Degeneration | 2 2 2 2 1 2 2 1 2 2 2 2 2 2 2 2 2 2 1 2 2 2 2 2| 49 2.0| Olfactory Epithelium, Hyperplasia, | | | Basal Cell | 2 2 2 1 1 2 1 1 2 2 2 2 2 2 2 2 1 2 1 1 1 2 2 2| 48 1.7| Olfactory Epithelium, Metaplasia | 1 2 | 2 1.5| |__________________________________________________________________________|____________| Pleura | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | |__________________________________________________________________________|____________| Trachea | + + + + + + + + + + + + + + A + + + + + + + + + +| 49 | Glands, Degeneration, Cystic | 2 | 5 1.6| _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | |__________________________________________________________________________|____________| Eye | + + + + + + + + + + + + + + A + + + + + + + + + +| 49 | Cornea, Mineralization | | 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 100 NTP Experiment-Test: 88004-05 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC DIVINYLBENZENE Date: 12/17/03 Route: RESPIRATORY EXPOSURE WHOLE BODY Time: 11:44:00 __________________________________________________________________________________________________________________________________ | 7| 7| 6| 6| 6| 7| 7| 6| 6| 7| 7| 6| 7| 7| 7| 7| 7| 5| 7| 5| 7| 6| 7| 7| 7| | DAY ON TEST | 2| 2| 8| 7| 1| 3| 2| 8| 3| 3| 2| 9| 3| 2| 2| 2| 3| 8| 2| 6| 2| 8| 2| 2| 1| | | 9| 9| 2| 4| 4| 0| 9| 0| 3| 0| 9| 4| 1| 9| 3| 9| 0| 9| 9| 9| 9| 0| 9| 9| 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 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 | 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| A | 400 PPM | 2| 2| 2| 2| 3| 3| 3| 3| 3| 3| 3| 3| 3| 3| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| L | | 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| | _____________________________________________________________________________________________________________________|____________| SPECIAL SENSES SYSTEM - cont | | | Lens, Cataract | | 1 2.0| |__________________________________________________________________________|____________| Harderian Gland | + + + + + + + + + + + + + + + + + + + + + + + + +| 50 | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | |__________________________________________________________________________|____________| Kidney | + + + + + + + + + + + + + + A + + + + + + + + + +| 49 | Cyst | 4 | 1 4.0| Nephropathy, Chronic | 2 1 4 3 4 1 1 1 1 1 2 2 2 1 2 1 2 3 1 3 3| 45 1.8| Cortex, Renal Tubule, Degeneration | | 1 2.0| Cortex, Renal Tubule, Hyperplasia | 4 | 2 4.0| Papilla, Renal Tubule, Dilatation | 4 | 1 4.0| Pelvis, Transitional Epithelium, | | | Mineralization | 3 | 1 3.0| |__________________________________________________________________________|____________| Urinary Bladder | + + + + + + + + + + + + + + A + + + + + + + + + +| 49 | Calculus Micro Observation Only | 2 | 4 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 101 ------------------------------------------------------------ ---------- END OF REPORT ---------- ------------------------------------------------------------