Japanese Journal of Veterinary Anesthesia & Surgery
Online ISSN : 1349-7669
Print ISSN : 0916-5908
ISSN-L : 0916-5908
A Canine Case of Prostatic Cyst with Bone Metaplasia
Toshihiko SATOU
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2007 Volume 38 Issue 3+4 Pages 59-62


A 9-year-old Labrador retriever dog was presented with a history of cystitis such as hematuria and urinary incontinence. Abdominal radiography revealed a large mass in the abdominal cavity. Ultrasonography revealed fluid retention and echogenic mass within the mass. On intravenous urography, a cystic bladder and both ureters were located caudal and dorsal to the mass respectivly. On laparotomy, the mass was attached to the prostate, ureters and surrounding tissues, which was removed. The mass was diagnosed as a prostatic cyst. Histologically, the wall of the mass was consistent with fibrous tissue and the prostatic tissue with bone metaplasia was confirmed in the mass within the cyst. Because the prostatic tissue was observed in the mass, castration was performed. The patient has been in good health without any recurrence of clinical signs 35 months after surgery.

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© 2007 by Japanese Society of Veterinary Anesthesia & Surgery
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