Pseudo-hermafroditismo masculino em cadela / Male pseudohermaphroditism in bitch

A case of male pseudo-hermaphrodite in a six-month-old Pinscher dog with mild signs of agression towards other dogs is reported. The animal presented fibrous mass in clitorial region, with structure similar to a diminutive penis. Testicles were found in the abdominal cavity, uterus had normal size and localization and hypertrophic clitoris was seen during exploratory laparotomy. The histopathological examination revealed testicular tissue, composed of hypotrophic seminipherous tubules and exuberant stroma and uterus with normal histological appearance. Moreover, the animal presented high levels of testosterone.(AU)