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Updated: May 27, 2026

Murine Prostate Micro-dissection and Surgical Castration
Published on: May 11, 2016
Two cases of paraprostatic cysts in castrated male dogs
Zachary J Goodrich1, Vicki L Wilke, Margaret V Root Kustritz
1Department of Veterinary Clinical Sciences, University of Minnesota, St. Paul, MN, USA.
Abstract:
Two castrated male dogs presented for evaluation of tenesmus. Presurgical evaluations included complete physical examinations, serum biochemistry, abdominal ultrasonography, and MRI (case 2 only). Paraprostatic cysts were diagnosed in both cases based on the results of abdominal ultrasonography, MRI, and histopathology of tissue samples obtained during exploratory laparotomy. To the authors' knowledge, the two cases presented herein are the first documented cases of paraprostatic cysts that developed after castration in male dogs. Paraprostatic cysts should be considered in the differential diagnoses for castrated male dogs with prostatic disease.
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