Case Report

Haemangiosarcoma of the os penis in a dog: The most common neoplasm of the canine penis

Richard K. Burchell, Robert M. Kirberger, Drienie D. (Didi) Janse van Rensberg
Journal of the South African Veterinary Association | Vol 85, No 1 | a1092 | DOI: https://doi.org/10.4102/jsava.v85i1.1092 | © 2014 Richard K. Burchell, Robert M. Kirberger, Drienie D. (Didi) Janse van Rensberg | This work is licensed under CC Attribution 4.0
Submitted: 01 August 2013 | Published: 21 August 2014

About the author(s)

Richard K. Burchell, Department of Companion Animal Clinical Studies, University of Pretoria, South Africa
Robert M. Kirberger, Department of Companion Animal Clinical Studies, University of Pretoria, South Africa
Drienie D. (Didi) Janse van Rensberg, Department of Paraclinical Studies, University of Pretoria, South Africa


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Abstract

A castrated 9-year-old intact male boerboel cross-breed dog was presented with a month-longhistory of stranguria. On physical examination, a mass was noted at the caudal extremity of the os penis. Haematology, serum chemistry and urinalysis were all unremarkable. Abdominal and urethral ultrasound demonstrated an enlarged bladder and a dilated urethra, whichwas followed to the caudal extremity of the os penis. A hyperechoic, roughly spherical,vascularised mass was noted at the caudal os penis, which resulted in obstruction of the penileurethra. Radiographs demonstrated a soft tissue mass with osteolysis of the os penis. Cytologysuggested an osteosarcoma. Treatment included amputation of the penis and adjuvantdoxorubicin with carboplatin. Histopathology of the penis confirmed a haemangiosarcoma. The patient survived for 20 months. This is only the second published case report describinga penile haemangiosarcoma, and the first published report demonstrating the treatment and outcome of a case of haemangiosarcoma of the os penis. Based on published and unpublished reports, haemangiosarcoma appears to be the most common neoplasm of the canine penis.

Keywords

Haemangiosarcoma, os penis, canine

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