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Bradley AE, Bolon B, Butt MT, Cramer SD, Czasch S, Garman RH, George C, Gröters S, Kaufmann W, Kovi RC, Krinke G, Little PB, Narama I, Rao DB, Sharma AK, Shibutani M, Sills R. Proliferative and Nonproliferative Lesions of the Rat and Mouse Central and Peripheral Nervous Systems: New and Revised INHAND Terms. Toxicol Pathol 2020; 48:827-844. [PMID: 32912053 DOI: 10.1177/0192623320951154] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Harmonization of diagnostic terminology used during the histopathologic analysis of rodent tissue sections from nonclinical toxicity studies will improve the consistency of data sets produced by laboratories located around the world. The INHAND Project (International Harmonization of Nomenclature and Diagnostic Criteria for Lesions in Rats and Mice) is a cooperative enterprise of 4 major societies of toxicologic pathology to develop a globally accepted standard vocabulary for proliferative and nonproliferative lesions in rodents. A prior manuscript (Toxicol Pathol 2012;40[4 Suppl]:87S-157S) defined multiple diagnostic terms for toxicant-induced lesions, common spontaneous and age-related changes, and principal confounding artifacts in the rat and mouse central nervous system (CNS) and peripheral nervous system (PNS). The current article defines 9 new diagnostic terms and updates 2 previous terms for findings in the rodent CNS and PNS, the need for which has become evident in the years since the publication of the initial INHAND nomenclature for findings in rodent neural tissues. The nomenclature presented in this document is also available electronically on the Internet at the goRENI website (http://www.goreni.org/).
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Affiliation(s)
- Alys E Bradley
- 57146Charles River Laboratories Edinburgh Ltd., Tranent, United Kingdom
| | | | - Mark T Butt
- Tox Path Specialists, LLC, Frederick, MD, USA
| | | | | | - Robert H Garman
- Consultants in Veterinary Pathology, Inc., Murrysville, PA, USA
| | | | | | | | - Ramesh C Kovi
- Experimental Pathology Laboratories (EPL), Inc., Research Triangle Park, NC, USA.,National Toxicology Program (NTP), US National Institute of Environmental Health Sciences (NIEHS), Research Triangle Park, NC, USA
| | | | - Peter B Little
- Experimental Pathology Laboratories (EPL), Inc., Durham, NC, USA
| | - Isao Narama
- 92109BioSafety Research Center, Inc. (BSRC), Iwata, Japan
| | - Deepa B Rao
- Tox Path Specialists, LLC, Frederick, MD, USA
| | | | - Makoto Shibutani
- Tokyo University of Agriculture and Technology, Laboratory of Veterinary Pathology, Tokyo, Japan
| | - Robert Sills
- National Toxicology Program (NTP), US National Institute of Environmental Health Sciences (NIEHS), Research Triangle Park, NC, USA
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