https://ntp.niehs.nih.gov/go/8919

Target Organs and Levels of Evidence for TR-361

Toxicology and Carcinogenesis Studies of Hexachloroethane (CASRN 67-72-1) in F344/N Rats (Gavage Studies)

Chemical (Study Title)
CASRN		 Peer Review Date Route/Exposure Levels Study Laboratory
Hexachloroethane
67-72-1		 10/03/1988 Gavage
MR: 0, 10, 20, FR: 0, 80, 160 MG/KG/50 PER GROUP		 T.S.I. Mason Laboratories, Inc.

Levels of Evidence

Male Rats: Clear Evidence
Type Organ/Tissue (Lesion)
Neoplastic Lesions
  • Kidney Tubular Cell: ADENOMA 0/50 0/50 1/50
  • Kidney Tubular Cell: ADENOMA 1/50 2/50 3/50 OR CARCINOMA 0/50 0/50 3/50 COMBINED 1/50 2/50 7/50
May Have Been Related
  • Adrenal Gland Medulla: PHEOCHROMOCYTOMA 15/50 28/45 21/49
Non-Neoplastic Lesions
  • KIDNEY: INCREASED SEVERITY OF NEPHROPATHY; MINERALIZATION 2/50 15/50 32/50; PELVIS, TRANSITIONAL EPITHELIUM, HYPERPLASIA 0/50 7/50 7/50
Female Rats: No Evidence
Type Organ/Tissue (Lesion)
Non-Neoplastic Lesions
  • KIDNEY: INCREASED SEVERITY OF NEPHROPATHY; NEPHROPATHY 22/50 42/50 45/50