Three intact male dogs were presented with faecal tenesmus and obvious peri
neal swelling. All three animals had paraprostatic cysts originating within
the abdominal cavity and extending caudally through the pelvic canal, caus
ing perineal swelling. Two of the dogs were found to have concurrent benign
prostatic hyperplasia, while the third had chronic active prostatitis. Thi
s report describes the investigations, surgical management and outcome for
the three dogs presented.