The current report summarizes the incidence and variety of neoplasms in pot-bellied pigs as documented by the pathology group at the University of Tennessee, College of Veterinary Medicine (UTCVM) between 2004 and 2011. Sixty-three pot-bellied pig cases (53 necropsies and 10 surgical biopsies) were identified from the UTCVM case database. Of these, 22 cases from 21 patients (34.9%) were given a diagnosis of neoplasia, including 10 females, 3 spayed females, 2 males, and 7 neutered males. The mean age of affected animals was 11.3 years. The incidence of neoplasia among the necropsy cases was 28% (15/53), and in the surgical biopsy material, the incidence was 70% (7/10). Reproductive and gastrointestinal tissues were most commonly affected, and malignancies were frequently identified, with hepatic and intestinal carcinomas predominating. Multiple neoplasms were often identified in patients submitted for necropsy, and in 4 out of 11 of the necropsy cases, at least 1 of the neoplasms was a malignancy. Six necropsy cases revealed metastatic spread.
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