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Primary copper-associated chronic hepatitis without copper metabolism domain containing 1 mutation in a Dalmatian: a case report

  • Sumin, Yun (Laboratory of Veterinary Internal Medicine, College of Veterinary Medicine, Chungbuk National University) ;
  • Dohee, Lee (Laboratory of Veterinary Internal Medicine, College of Veterinary Medicine, Chungbuk National University) ;
  • Jimin, Oh (Laboratory of Veterinary Internal Medicine, College of Veterinary Medicine, Chungbuk National University) ;
  • Yeon, Chae (Laboratory of Veterinary Internal Medicine, College of Veterinary Medicine, Chungbuk National University) ;
  • Taesik, Yun (Laboratory of Veterinary Internal Medicine, College of Veterinary Medicine, Chungbuk National University) ;
  • Yoonhoi, Koo (Laboratory of Veterinary Internal Medicine, College of Veterinary Medicine, Chungbuk National University) ;
  • Mhan-Pyo, Yang (Laboratory of Veterinary Internal Medicine, College of Veterinary Medicine, Chungbuk National University) ;
  • Byeong-Teck, Kang (Laboratory of Veterinary Internal Medicine, College of Veterinary Medicine, Chungbuk National University) ;
  • Hakhyun, Kim (Laboratory of Veterinary Internal Medicine, College of Veterinary Medicine, Chungbuk National University)
  • Received : 2022.06.21
  • Accepted : 2022.12.01
  • Published : 2022.12.31

Abstract

A 12-year-old intact male Dalmatian dog presented hyporexia and vomiting for 1 week. Blood analysis revealed increased liver enzyme activity. Histopathological examination of the liver confirmed chronic hepatitis with fibrosis and necrosis. Copper staining revealed marked copper accumulation (2,770 ppm; normal range, 200 to 400 ppm), prominent in the centrilobular region, and compatible with copper-associated chronic hepatitis. However, copper metabolism domain containing 1 (COMMD1) mutation predisposing to copper accumulation in the liver tissue was not identified. The dog received medications but died 1 month after first visit. This is the first case of primary copper-associated hepatitis without COMMD1 mutation in a Dalmatian dog in South Korea.

Keywords

Acknowledgement

The authors would like to thank the owners of the dog included in this report. This work was supported by the Global Research and Development Center (GRDC) Program through the National Research Foundation (NRF) of Korea funded by the Ministry of Science and ICT (2017K1A4A3014959) and Korea Institute of Planning and Evaluation for Technology in Food, Agriculture, Forestry and Fisheries (IPET) through Agriculture, Food and Rural Affairs Convergence Technologies Program for Educating Creative Global Leader, funded by Ministry of Agriculture, Food and Rural Affairs (MAFRA) (grant number: 320005-4).

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