TDMS Study 96007-04 Pathology Tables
NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 04/22/03 Route: GAVAGE Time: 10:23:04 14 WEEK SSAC Facility: Battelle Columbus Laboratory Chemical CAS #: TEFDIOXINMIX Lock Date: 09/12/01 Cage Range: All Reasons For Removal: 25017 Scheduled Sacrifice Removal Date Range: 09/17/98 - 09/18/98 Treatment Groups: Include 001 TERT.MIXCONTROL Include 002 TERT.MIXTEQ=10 Include 003 TERT.MIXTEQ=22 Include 004 TERT.MIXTEQ=46 Include 005 TERT.MIXTEQ=100 Page 1 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 04/22/03 Route: GAVAGE Time: 10:23:04 __________________________________________________________________________________________________________________________________ | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | | DAY ON TEST | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| | | | 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 4| 4| 4| 4| 4| 5| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 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| | A | TERT.MIX | 0| 0| 0| 0| 1| 1| 5| 6| 6| 7| 9| 9| 9| 9| 9| 9| | L | CONTROL | 6| 7| 8| 9| 0| 6| 2| 4| 9| 9| 1| 2| 3| 4| 5| 8| | | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Liver | + + + + + + + + + + | 10 | Inflammation | 1 1 1 1 1 1 1 1 1 1 | 10 1.0| |__________________________________________________________________________|____________| Pancreas | + + + + + + + + + + | 10 | |__________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + | 10 | Hyperkeratosis | 2 | 1 2.0| Hyperplasia, Squamous | 3 | 1 3.0| Inflammation | 2 | 1 2.0| |__________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + | 10 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | |__________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + | 10 | Hypertrophy | 2 | 1 2.0| |__________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + | 10 | |__________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + | 10 | |__________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + | 10 | |__________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + | 10 | _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | |__________________________________________________________________________|____________| _____________________________________________________________________________________________________________________|____________| * : Total animals with tissue examined microscopically; total animals with lesion and mean severity grade + : Tissue examined microscopically M : Missing tissue 1-4 : Lesion qualified as: X : Lesion present but not qualified A : Autolysis precludes examination 1) Minimal 3) Moderate I : Insufficient tissue BLANK : Not examined 2) Mild 4) Marked Page 2 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 04/22/03 Route: GAVAGE Time: 10:23:04 __________________________________________________________________________________________________________________________________ | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | | DAY ON TEST | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| | | | 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 4| 4| 4| 4| 4| 5| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 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| | A | TERT.MIX | 0| 0| 0| 0| 1| 1| 5| 6| 6| 7| 9| 9| 9| 9| 9| 9| | L | CONTROL | 6| 7| 8| 9| 0| 6| 2| 4| 9| 9| 1| 2| 3| 4| 5| 8| | | _____________________________________________________________________________________________________________________|____________| GENITAL SYSTEM - cont | | | Ovary | + + + + + + + + + + | 10 | |__________________________________________________________________________|____________| Uterus | + + + + + + + + + + | 10 | Endometrium, Hyperplasia, Cystic | 3 3 | 2 3.0| |__________________________________________________________________________|____________| Vagina | + + + + + + + + + + | 10 | _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | |__________________________________________________________________________|____________| Spleen | + + + + + + + + + + | 10 | Pigmentation | 1 1 1 1 1 2 1 2 1 1 | 10 1.2| |__________________________________________________________________________|____________| Thymus | + + + + + + + + + + | 10 | _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + | 10 | _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | |__________________________________________________________________________|____________| Lung | + + + + + + + + + + | 10 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | None | | | _____________________________________________________________________________________________________________________|____________| * : 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 3 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 04/22/03 Route: GAVAGE Time: 10:23:04 __________________________________________________________________________________________________________________________________ | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | | DAY ON TEST | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| | | | 4| 4| 4| 4| 4| 5| 5| 5| 5| 5| 4| 4| 4| 4| 4| 5| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 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| | A | TERT.MIX | 0| 0| 0| 0| 1| 1| 5| 6| 6| 7| 9| 9| 9| 9| 9| 9| | L | CONTROL | 6| 7| 8| 9| 0| 6| 2| 4| 9| 9| 1| 2| 3| 4| 5| 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 4 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 04/22/03 Route: GAVAGE Time: 10:23:04 __________________________________________________________________________________________________________________________________ | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | | DAY ON TEST | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| | | | 5| 5| 5| 5| 5| 5| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 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| | A | TERT.MIX | 0| 2| 4| 4| 5| 6| 7| 7| 7| 7| 7| 9| 9| 9| 9| 9| | L | TEQ=10 | 9| 5| 1| 7| 5| 4| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Liver | + + + + + + + + + + | 10 | Inflammation | 1 1 1 1 1 1 1 1 1 1 | 10 1.0| Hepatocyte, Hypertrophy | 1 | 1 1.0| |__________________________________________________________________________|____________| Pancreas | + + + + + + + + + + | 10 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | |__________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + | 10 | |__________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + | 10 | Follicular Cell, Hypertrophy | 1 1 1 | 3 1.0| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | |__________________________________________________________________________|____________| Ovary | + + + + + + + + + + | 10 | Atrophy | 3 | 1 3.0| |__________________________________________________________________________|____________| Uterus | + + + + + + + + + + | 10 | Metaplasia, Squamous | 1 | 1 1.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | |__________________________________________________________________________|____________| Thymus | + + + + + + + + + + | 10 | Atrophy | 1 1 | 2 1.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | None | | | _____________________________________________________________________________________________________________________|____________| * : 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 5 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 04/22/03 Route: GAVAGE Time: 10:23:04 __________________________________________________________________________________________________________________________________ | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | | DAY ON TEST | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| | | | 5| 5| 5| 5| 5| 5| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 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| | A | TERT.MIX | 0| 2| 4| 4| 5| 6| 7| 7| 7| 7| 7| 9| 9| 9| 9| 9| | L | TEQ=10 | 9| 5| 1| 7| 5| 4| 1| 2| 3| 4| 5| 1| 2| 3| 4| 5| | | _____________________________________________________________________________________________________________________|____________| MUSCULOSKELETAL SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | |__________________________________________________________________________|____________| Lung | + + + + + + + + + + | 10 | |__________________________________________________________________________|____________| Pleura | + | 1 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | None | | | _____________________________________________________________________________________________________________________|____________| _____________________________________________________________________________________________________________________|____________| __________________________________________________________________________________________________________________________________ * : 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 6 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 04/22/03 Route: GAVAGE Time: 10:23:04 __________________________________________________________________________________________________________________________________ | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | | DAY ON TEST | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| | | | 5| 5| 4| 4| 4| 4| 4| 5| 5| 4| 4| 4| 4| 4| 5| 5| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 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| | A | TERT.MIX | 0| 0| 1| 1| 1| 1| 2| 2| 2| 6| 6| 6| 6| 6| 8| 9| | L | TEQ=22 | 7| 9| 6| 7| 8| 9| 0| 1| 8| 1| 2| 3| 4| 5| 4| 3| | | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Liver | + + + + + + + + + + | 10 | Inflammation | 1 1 1 1 1 1 1 1 1 1 | 10 1.0| Hepatocyte, Hypertrophy | 1 1 1 | 3 1.0| |__________________________________________________________________________|____________| Pancreas | + + + + + + + + + + | 10 | _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | |__________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + | 10 | |__________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + | 10 | Follicular Cell, Hypertrophy | 1 1 1 1 1 1 1 | 7 1.0| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | |__________________________________________________________________________|____________| Ovary | + + + + + + + + + + | 10 | Atrophy | 3 3 | 2 3.0| |__________________________________________________________________________|____________| Uterus | + + + + + + + + + + | 10 | Metaplasia, Squamous | 1 | 1 1.0| _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | |__________________________________________________________________________|____________| Thymus | + + + + + + + + + + | 10 | Atrophy | 1 1 1 | 3 1.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | None | | | _____________________________________________________________________________________________________________________|____________| * : 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 7 NTP Experiment-Test: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 04/22/03 Route: GAVAGE Time: 10:23:04 __________________________________________________________________________________________________________________________________ | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | | DAY ON TEST | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| | | | 5| 5| 4| 4| 4| 4| 4| 5| 5| 4| 4| 4| 4| 4| 5| 5| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 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| | A | TERT.MIX | 0| 0| 1| 1| 1| 1| 2| 2| 2| 6| 6| 6| 6| 6| 8| 9| | L | TEQ=22 | 7| 9| 6| 7| 8| 9| 0| 1| 8| 1| 2| 3| 4| 5| 4| 3| | | _____________________________________________________________________________________________________________________|____________| MUSCULOSKELETAL SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | |__________________________________________________________________________|____________| Lung | + + + + + + + + + + | 10 | Hemorrhage | 1 | 1 1.0| Infiltration Cellular, Histiocyte | 1 | 1 1.0| |__________________________________________________________________________|____________| Pleura | + | 1 | _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | None | | | _____________________________________________________________________________________________________________________|____________| _____________________________________________________________________________________________________________________|____________| __________________________________________________________________________________________________________________________________ * : 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: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 04/22/03 Route: GAVAGE Time: 10:23:04 __________________________________________________________________________________________________________________________________ | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | | DAY ON TEST | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| | | | 5| 5| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| 5| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 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| | A | TERT.MIX | 1| 1| 2| 2| 2| 2| 3| 5| 5| 5| 5| 5| 6| 7| 7| 8| | L | TEQ=46 | 3| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 0| 6| 8| 8| | | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Liver | + + + + + + + + + + | 10 | Fatty Change, Diffuse | 1 | 1 1.0| Inflammation | 1 1 1 1 1 1 1 1 1 1 | 10 1.0| Hepatocyte, Hypertrophy | 1 1 1 1 2 | 5 1.2| |__________________________________________________________________________|____________| Pancreas | + + + + + + + + + + | 10 | Inflammation, Chronic Active | 1 1 | 2 1.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | |__________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + | 10 | |__________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + | 10 | Follicular Cell, Hypertrophy | 1 3 1 1 2 1 2 1 1 1 | 10 1.4| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | GENITAL SYSTEM | | | |__________________________________________________________________________|____________| Ovary | + + + + + + + + + + | 10 | Atrophy | 2 3 3 | 3 2.7| |__________________________________________________________________________|____________| Uterus | + + + + + + + + + + | 10 | _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | |__________________________________________________________________________|____________| Thymus | + + + + + + + + + + | 10 | Atrophy | 1 1 1 1 | 4 1.0| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | None | | | _____________________________________________________________________________________________________________________|____________| * : 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: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 04/22/03 Route: GAVAGE Time: 10:23:04 __________________________________________________________________________________________________________________________________ | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | | DAY ON TEST | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| | | | 5| 5| 4| 4| 4| 4| 4| 4| 4| 4| 4| 4| 5| 5| 5| 5| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 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| | A | TERT.MIX | 1| 1| 2| 2| 2| 2| 3| 5| 5| 5| 5| 5| 6| 7| 7| 8| | L | TEQ=46 | 3| 5| 6| 7| 8| 9| 0| 1| 2| 3| 4| 5| 0| 6| 8| 8| | | _____________________________________________________________________________________________________________________|____________| MUSCULOSKELETAL SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | |__________________________________________________________________________|____________| Lung | + + + + + + + + + + | 10 | Hemorrhage | 1 | 1 1.0| Alveolar Epithelium, Hyperplasia | 3 | 1 3.0| _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | URINARY SYSTEM | | | None | | | _____________________________________________________________________________________________________________________|____________| _____________________________________________________________________________________________________________________|____________| __________________________________________________________________________________________________________________________________ * : 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: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 04/22/03 Route: GAVAGE Time: 10:23:04 __________________________________________________________________________________________________________________________________ | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | | DAY ON TEST | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| | | | 5| 5| 4| 4| 4| 4| 4| 5| 5| 5| 5| 4| 4| 4| 4| 4| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 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| | A | TERT.MIX | 3| 5| 5| 5| 5| 5| 5| 6| 6| 8| 9| 9| 9| 9| 9| 9| | L | TEQ=100 | 3| 0| 1| 2| 3| 4| 5| 0| 1| 4| 0| 1| 2| 3| 4| 5| | | _____________________________________________________________________________________________________________________|____________| ALIMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Liver | + + + + + + + + + + | 10 | Clear Cell Focus | X | 1 | Inflammation | 1 1 1 1 1 1 1 1 | 8 1.0| Mixed Cell Focus, Multiple | X | 1 | Hepatocyte, Hypertrophy | 1 1 2 2 1 2 1 1 | 8 1.4| |__________________________________________________________________________|____________| Pancreas | + + + + + + + + + + | 10 | Basophilic Focus | X | 1 | Acinus, Atrophy | 1 | 1 1.0| |__________________________________________________________________________|____________| Stomach, Forestomach | + + + + + + + + + + | 10 | |__________________________________________________________________________|____________| Stomach, Glandular | + + + + + + + + + + | 10 | Cyst | 1 | 1 1.0| _____________________________________________________________________________________________________________________| | CARDIOVASCULAR SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | ENDOCRINE SYSTEM | | | |__________________________________________________________________________|____________| Adrenal Cortex | + + + + + + + + + + | 10 | Hyperplasia | 1 | 1 1.0| |__________________________________________________________________________|____________| Adrenal Medulla | + + + + + + + + + + | 10 | |__________________________________________________________________________|____________| Islets, Pancreatic | + + + + + + + + + + | 10 | |__________________________________________________________________________|____________| Pituitary Gland | + + + + + + + + + + | 10 | |__________________________________________________________________________|____________| Thyroid Gland | + + + + + + + + + + | 10 | Follicular Cell, Hypertrophy | 1 1 2 1 1 3 1 | 7 1.4| _____________________________________________________________________________________________________________________| | GENERAL BODY SYSTEM | | | None | | | _____________________________________________________________________________________________________________________|____________| * : 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: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 04/22/03 Route: GAVAGE Time: 10:23:04 __________________________________________________________________________________________________________________________________ | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | | DAY ON TEST | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| | | | 5| 5| 4| 4| 4| 4| 4| 5| 5| 5| 5| 4| 4| 4| 4| 4| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 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| | A | TERT.MIX | 3| 5| 5| 5| 5| 5| 5| 6| 6| 8| 9| 9| 9| 9| 9| 9| | L | TEQ=100 | 3| 0| 1| 2| 3| 4| 5| 0| 1| 4| 0| 1| 2| 3| 4| 5| | | _____________________________________________________________________________________________________________________|____________| GENITAL SYSTEM | | | |__________________________________________________________________________|____________| Ovary | + + + + + + + + + + | 10 | Atrophy | 4 3 3 4 | 4 3.5| |__________________________________________________________________________|____________| Uterus | + + + + + + + + + + | 10 | Metaplasia, Squamous | 2 1 | 2 1.5| Endometrium, Hyperplasia, Cystic | 2 4 | 2 3.0| |__________________________________________________________________________|____________| Vagina | + + + + + + + + + + | 10 | _____________________________________________________________________________________________________________________| | HEMATOPOIETIC SYSTEM | | | |__________________________________________________________________________|____________| Spleen | + + + + + + + + + + | 10 | Pigmentation | 1 1 1 1 1 1 1 1 1 1 | 10 1.0| |__________________________________________________________________________|____________| Thymus | + + + + + + + + + + | 10 | Atrophy | 2 1 1 1 1 1 1 | 7 1.1| _____________________________________________________________________________________________________________________| | INTEGUMENTARY SYSTEM | | | |__________________________________________________________________________|____________| Mammary Gland | + + + + + + + + + + | 10 | _____________________________________________________________________________________________________________________| | MUSCULOSKELETAL SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | NERVOUS SYSTEM | | | None | | | _____________________________________________________________________________________________________________________| | RESPIRATORY SYSTEM | | | |__________________________________________________________________________|____________| Lung | + + + + + + + + + + | 10 | Inflammation, Chronic Active | 1 | 1 1.0| _____________________________________________________________________________________________________________________| | SPECIAL SENSES SYSTEM | | | None | | | _____________________________________________________________________________________________________________________|____________| * : 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: 96007-04 NONNEOPLASTIC LESIONS BY INDIVIDUAL ANIMAL Report: PEIRPT09 Study Type: CHRONIC TOXIC EQUIVALENCY FACTOR EVALUATION (DIOXIN MIXTURE) Date: 04/22/03 Route: GAVAGE Time: 10:23:04 __________________________________________________________________________________________________________________________________ | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | | DAY ON TEST | 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| 9| | | | 5| 5| 4| 4| 4| 4| 4| 5| 5| 5| 5| 4| 4| 4| 4| 4| | | __________________________________________|__________________________________________________________________________| T (*) | | 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| 0| | O | SPRAGUE-DAWLEY RATS FEMALE | 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| | A | TERT.MIX | 3| 5| 5| 5| 5| 5| 5| 6| 6| 8| 9| 9| 9| 9| 9| 9| | L | TEQ=100 | 3| 0| 1| 2| 3| 4| 5| 0| 1| 4| 0| 1| 2| 3| 4| 5| | | _____________________________________________________________________________________________________________________|____________| URINARY SYSTEM | | | None | | | _____________________________________________________________________________________________________________________|____________| _____________________________________________________________________________________________________________________|____________| __________________________________________________________________________________________________________________________________ * : 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 ------------------------------------------------------------ ---------- END OF REPORT ---------- ------------------------------------------------------------