ACTA VETERINARIA ET ZOOTECHNICA SINICA ›› 2018, Vol. 49 ›› Issue (4): 847-851.doi: 10.11843/j.issn.0366-6964.2018.04.024

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Pathological Analysis of Canine Ovarian Teratoma Complicated with Leydig Cell Tumor of Ovary

MA Ning, CONG Lin-lin, XIAO Jian-hua*   

  1. Key Laboratory of the Provincial Education Department of Heilongjiang for Common Animal Disease Prevention and Treatment, College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China
  • Received:2017-09-06 Online:2018-04-23 Published:2018-04-23

Abstract:

A case of canine ovarian teratoma complicated with Leydig cell tumor of ovary is reported in this article. It is rare in veterinary clinics and has not been reported in literature. A 2-year-old female border collie represented the clitoris hypertrophy, no signs of oestrus and occasional mating behavior. Abdominal palpation showed softness and no pain, but an egg sized mass that was tough and removable was palpated in right lower abdomen. In the exploratory laparotomy, a cyst-like mass was seen in the right side. The dog was sterilized and its ovarian mass was examined histopathologically. Resultant diagnosis was ovarian teratoma complicated with leydig cell tumor of ovary, the cystic region of tumor was filled with the fat, skin and their appendages. No recurrence was noted in our patient after one year of follow-up. Ovarian mature cystic teratoma complicated with Leydig cell tumor has not been previously reported in dog. This report will contribute to a better understanding of the pathology of this rare tumor in dog and has certain reference value for clinical diagnosis and treatment of related diseases.

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