Peer-reviewed veterinary case report
Accuracy of bladder tumor biopsies in male and female dogs
By Childress, Michael O et al.·Published in Journal of the American Veterinary Medical Association·2011·Department of Veterinary Clinical Sciences, United States·View original on PubMed →
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Original publication title: Results of biopsy via transurethral cystoscopy and cystotomy for diagnosis of transitional cell carcinoma of the urinary bladder and urethra in dogs: 92 cases (2003-2008).
- Species:
- dog
Plain-English summary
A group of 92 dogs with confirmed transitional cell carcinoma (TCC) of the urinary bladder and urethra underwent a special procedure called cystoscopic biopsy to help diagnose their condition. The results showed that this method provided high-quality biopsy samples, especially in female dogs, where the success rate was 96%. In male dogs, the success rate was lower at 65%. This suggests that cystoscopic biopsy is a reliable way to diagnose TCC in dogs, and it may be particularly effective for female dogs.
People also search for: dog bladder cancer diagnosis · transitional cell carcinoma in dogs · cystoscopy for dog urinary problems
Abstract
OBJECTIVE: To assess the diagnostic utility of transurethral cystoscopic biopsy in dogs with histologically confirmed transitional cell carcinoma (TCC) of the urinary bladder and urethra. DESIGN: Retrospective case series. ANIMALS: 92 dogs with histologically confirmed TCC. PROCEDURES: Information on sex, breed, neuter status, body weight, tumor location, biopsy method, number of biopsy procedures, experience level of clinician performing biopsy, and quality of biopsy sample was obtained from medical records. The association of variables with likelihood of achieving a diagnostic-quality biopsy sample was evaluated by use of logistic regression. RESULTS: If used as the initial biopsy method, cystoscopic biopsy samples were of diagnostic quality in 65% of male dogs and 96% of female dogs with histologically confirmed TCC. Cystoscopic biopsy samples were significantly more likely to be of diagnostic quality in female dogs than in male dogs. CONCLUSIONS AND CLINICAL RELEVANCE: Cystoscopic biopsy is an effective method to obtain biopsy samples in dogs with TCC of the bladder and urethra. Cystoscopy is more likely to produce a diagnostic-quality biopsy sample in female dogs with TCC than in male dogs with TCC. Cystoscopy should be considered as a primary means of biopsy in male and female dogs with masses of the urinary bladder or urethra.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/21801049/