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Squamous cell carcinoma of the urethral process in a horse with hemospermia and self-mutilation behavior

2000; American Veterinary Medical Association; Volume: 216; Issue: 4 Linguagem: Inglês

10.2460/javma.2000.216.551

1943-569X

Sylvia J. Bedford, Sue M. McDonnell, Eric P. Tulleners, Dana S. King, Perry L. Habecker,

Genital Health and Disease

A 14-year-old Arabian stallion was examined because of acute hemospermia. The stallion was used in an artificial breeding program and had a 6-year history of low-grade hemospermia and a 4-year history of self-mutilation behavior. During previous examinations, minor irritation of the urethral process was identified as the source of the bleeding. Physical examination revealed a mucosal ulceration in the distal portion of the urethra. Histologic examination of a biopsy specimen from this area revealed low-grade squamous cell carcinoma. The urethral process was excised, and the hemospermia resolved. Frequency of self-mutilation behaviors also decreased after surgery, suggesting that there may have been a link between irritation of the urethral process and development of self-mutilation behavior.