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Short-Term Individual Animal Non Neoplastic Diagnosis

Study Information:

Chemical Name: alpha-Methylstyrene
CASRN: ="98-83-9"
Study Number: C88006B
Exposure Route: RESPIRATORY EXPOSURE WHOLE BODY
TDMS Number: 8800601
Sex: Female
Strain and Species: F 344/N Rats

Female Individual Animal Non Neoplastic Diagnoses
System Organ Site Treatment Group Number Examined Cage Number Animal Number Days on Study Lesion Found Lesion Name Lesion Qualifier Removal Reason
Alimentary System Liver 75 PPM 10 7 304 93 1 Hepatodiaphragmatic Nodule Terminal Sacrifice
Alimentary System Liver 75 PPM 10 8 306 93 1 Hepatodiaphragmatic Nodule Terminal Sacrifice
Alimentary System Liver 150 PPM 10 12 506 93 1 Hepatodiaphragmatic Nodule Terminal Sacrifice
Alimentary System Liver 1000 PPM 10 24 1110 93 1 Hepatodiaphragmatic Nodule Terminal Sacrifice
Alimentary System Mesentery Fat Vehicle Control 1 4 107 93 1 Necrosis Mild Terminal Sacrifice
Genital System Ovary Periovarn Tiss 1000 PPM 10 24 1108 93 1 Cyst Mild Terminal Sacrifice
Genital System Ovary 75 PPM 1 8 306 93 1 Cyst Marked Terminal Sacrifice
Genital System Ovary 1000 PPM 10 23 1102 93 1 Cyst Minimal Terminal Sacrifice
Hematopoietic System Lymph Node Mediastinal 75 PPM 2 8 309 93 1 Hemorrhage Mild Terminal Sacrifice
Hematopoietic System Lymph Node Mesenteric 75 PPM 2 8 307 93 1 Hyperplasia Moderate, Lymphoid Terminal Sacrifice
Hematopoietic System Thymus Vehicle Control 10 4 106 93 1 Hemorrhage Minimal Terminal Sacrifice
Respiratory System Lung Alveolus 1000 PPM 10 24 1108 93 1 Fibrosis Minimal Terminal Sacrifice
Respiratory System Lung Alveolus 1000 PPM 10 23 1102 93 1 Infiltration Cellular Minimal, Histiocyte Terminal Sacrifice
Respiratory System Lung Alveolus 1000 PPM 10 24 1107 93 1 Infiltration Cellular Minimal, Histiocyte Terminal Sacrifice
Respiratory System Nose 75 PPM 10 8 307 93 1 Infiltration Cellular Mild, Histiocyte Terminal Sacrifice
Respiratory System Pleura 300 PPM 1 16 708 93 1 Inflammation Mild, Focal Terminal Sacrifice
Urinary System Kidney Cortex, Renal Tubule 150 PPM 10 11 501 93 1 Regeneration Minimal Terminal Sacrifice
Urinary System Kidney Cortex, Renal Tubule 150 PPM 10 11 502 93 1 Regeneration Minimal Terminal Sacrifice
Urinary System Kidney Cortex, Renal Tubule 150 PPM 10 11 504 93 1 Regeneration Minimal Terminal Sacrifice
Urinary System Kidney Cortex, Renal Tubule 300 PPM 10 15 701 93 1 Regeneration Minimal Terminal Sacrifice
Urinary System Kidney Cortex, Renal Tubule 300 PPM 10 15 703 93 1 Regeneration Minimal Terminal Sacrifice
Urinary System Kidney Cortex, Renal Tubule 300 PPM 10 16 708 93 1 Regeneration Minimal Terminal Sacrifice
Urinary System Kidney Cortex, Renal Tubule 600 PPM 10 19 902 93 1 Regeneration Minimal Terminal Sacrifice
Urinary System Kidney Cortex, Renal Tubule 600 PPM 10 20 906 93 1 Regeneration Minimal Terminal Sacrifice
Urinary System Kidney Cortex, Renal Tubule 1000 PPM 10 23 1102 93 1 Regeneration Minimal Terminal Sacrifice
Urinary System Kidney 75 PPM 10 8 308 93 1 Inflammation Mild, Chronic Active Terminal Sacrifice
Urinary System Urinary Bladder Transit Epithe 1000 PPM 10 23 1103 93 1 Erosion Minimal Terminal Sacrifice
Urinary System Urinary Bladder 1000 PPM 10 23 1103 93 1 Hemorrhage Minimal Terminal Sacrifice