Korean Journal of Veterinary Research 2002;42(3):419-423.
A Histopathological Study on Suture Granuloma in Neutralized Dogs
Chun-Ho Park1, Young-Sam Kwon2, Hiroshi Isomura3
1Department of Pathobiological Sciences, School of Veterinary Medicine, University of Wisconsin
2College of Veterinary Medicine, Kyungpook National University
3Sapporo General Pathology Laboratory Co., Ltd.
개에서 거세 후 발생한 봉합사 육아종의 병리조직학적인 연구
박천호1, 권영삼2, 이소무라히로시3
1위스컨신대학교 수의과대학
2경북대학교 수의과대학
Postoperative suture granuloma have rarely been reported in animals. Eight biopsy masses from testes areas of neutralized dogs were diagnosed as suture granuloma. The suture granuloma occurred at any time from several weeks to a few years after surgery and appeared to be testicular tumors by macroscopic examination. The granulomas were classified into three types based on the histopathological findings. The first type of pyogranuloma was mainly composed of neutrophils, macrophages, and suture fragments. The second type was chronic necrotizing granuloma which was well demarcated by fibrous connective tissues and was composed of a few suture fragments, macrophages and central fibrinoid necrosis. The third type of granuloma had a poorly defined margin with scarcely observed suture fragments and central necrosis in the tissue. These histopathological findings suggested that various types of suture granuloma may be caused by suture material and could even appear long after surgery.
Key Words: histopathology, neutralized dog, suture granuloma

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