canis - Articles
Urethra: neoplasia
Introduction
- Uncommon, most frequent in female.
- Cause: usually transitional cell carcinoma.
- Signs: urinary frequency increased - mild incontinence to severe urinary retention.
- Diagnosis: signs, radiography.
- Treatment: most are not treatable (except distal urethra in male: amputation and urethrostomy).
- Prognosis: poor.
Presenting signs
- Urinary frequency increased.
- Mild incontinence to severe retention.
- Hematuria.
Age predisposition
- >8 years old.
Breed/Species predisposition
- Terrier breeds.
Pathogenesis
Etiology
- Transitional cell carcinoma.
- Squamous cell carcinoma.
- Adenocarcinoma.
- Undifferentiated carcinoma.
Pathophysiology
- Urethral tumor → partial or complete obstruction Urethra: obstruction.
Timecourse
- Months.
Diagnosis
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Treatment
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Prevention
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Outcomes
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Further Reading
Publications
Refereed papers
- Recent references from PubMed and VetMedResource.
- Valli V E et al (1995) Pathology of canine bladder and urethral cancer and correlation with tumour progression and survival. J Comp Pathol 113 (2), 113-130 PubMed.
- Norris A M et al (1992) Canine bladder and urethral tumours - a retrospective study of 115 cases (1980-1985). J Vet Intern Med 6 (3), 145-153 PubMed.