Peer-reviewed veterinary case report
Ultrasound signs of bladder cancer in cats and dogs are similar
By Hamlin, Alessandra N et al.·Published in Veterinary radiology & ultrasound : the official journal of the American College of Veterinary Radiology and the International Veterinary Radiology Association·2019·Department of Veterinary Clinical Sciences, United States·View original on PubMed →
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Original publication title: Ultrasound characteristics of feline urinary bladder transitional cell carcinoma are similar to canine urinary bladder transitional cell carcinoma.
- Species:
- cat
Plain-English summary
A group of 20 cats diagnosed with transitional cell carcinoma (TCC), a type of bladder cancer, showed symptoms like blood in the urine, frequent urination, and difficulty urinating. Ultrasound exams revealed that the tumors in these cats often appeared as single, broad-based masses located in the middle or top part of the bladder. Interestingly, the ultrasound characteristics of feline TCC were found to be similar to those seen in dogs with the same condition, although the tumors in cats were less likely to extend into the urethra. Understanding these ultrasound features can help veterinarians diagnose and treat bladder cancer in cats more effectively.
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Abstract
Feline transitional cell carcinoma (TCC) is a rare neoplasia of cats with an estimated prevalence of 0.18%. Cats with TCC share clinical signs with common pathologies like feline idiopathic cystitis or urinary tract infections. Nonspecific clinical signs include hematuria, pollakiuria, or stranguria. The literature lacks a feline-specific ultrasound description of TCC. The aim of this multicenter retrospective descriptive study was to report ultrasound findings of a collection of feline TCC and then assess if feline TCC and canine TCC have similar ultrasound appearances. It was hypothesized that the ultrasound characteristics would be similar between feline and canine TCC. Ultrasound studies were assessed for tumor shape, number of isolated mural masses, location within the bladder, presence of Doppler signal, echogenicity of urine, mineralization within the mass, extension of the mass into the proximal urethra or ureters, urethral/ureteral obstruction, pyelectasia, and sublumbar lymphadenopathy. Feline studies were compared to 20 cases of confirmed canine TCC. A total of 20 cats with histologically or cytologically confirmed diagnosis of TCC were included. Feline and canine TCC had similarities when viewed using ultrasound. Statistically significant differences were identified for location of the bladder mass (cats were more likely to be mid-body vs trigonal in dogs, P = .011) and urethral extension of the tumor was less likely in cats than dogs (P = .0436). Based on this sample of 20 cats, feline TCC was most commonly a singular, broad-based mass within the mid-body or apex of the urinary bladder.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/31144408/