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Urethral haemangiosarcoma in a boxer
R J Mellanby1, J C Chantrey, E A Baines
1Queen's Veterinary School Hospital, University of Cambridge, Madingley Road, Cambridge CB3 0ES.
The Journal of Small Animal Practice
|March 31, 2004
Summary
A rare urethral hemangiosarcoma caused neurological deficits in a seven-year-old boxer. This unusual cancer diagnosis in dogs highlights the importance of thorough diagnostics for pelvic masses.
Area of Science:
- Veterinary Oncology
- Canine Pathology
- Surgical Oncology
Background:
- Urethral tumors in dogs are uncommon.
- Transitional cell carcinomas are the most frequent type of urethral neoplasia.
- Clinical presentation often involves lower urinary tract signs.
Observation:
- A seven-year-old female boxer exhibited behavioral changes and a hunched gait.
- Abdominal ultrasonography identified a cranial pelvic canal mass.
- Progressive neurological deficits, including proprioceptive deficits and loss of deep pain sensation, developed over five days.
Findings:
- Postmortem examination confirmed a urethral hemangiosarcoma.
- The tumor had metastasized to the second lumbar vertebra.
- This represents an unusual etiology for urethral neoplasia and associated neurological compromise.
Implications:
- Highlights the importance of considering rare tumor types in differential diagnoses for canine pelvic masses.
- Underscores the potential for urethral tumors to cause significant neurological dysfunction through metastasis.
- Emphasizes the need for advanced imaging and diagnostic workup in cases of unexplained neurological signs in dogs.