Peer-reviewed veterinary case report
Cat with prostate tumor causing urination and constipation
By Zambelli, Daniele et al.·Published in Journal of feline medicine and surgery·2010·Veterinary Clinical Department, Italy·View original on PubMed →
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Original publication title: Successful surgical treatment of a prostatic biphasic tumour (sarcomatoid carcinoma) in a cat.
- Species:
- cat
Plain-English summary
A 12-year-old neutered male cat was brought in for difficulty urinating and blood in his urine, along with issues with constipation. The vet found a non-painful mass near the rectum during an examination, and an ultrasound revealed that the prostate was affected by a tumor. The cat underwent surgery to remove the prostate and a part of the urethra, and after testing, the tumor was identified as a type of malignant growth. Remarkably, two years later, the cat is doing well and has had no further health issues.
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Abstract
A 12-year-old, neutered male, mixed-breed, domestic cat was presented for dysuria and haematuria accompanied by recurrent dyschezia and constipation. At rectal digital examination a non-painful, globose and relatively immobile mass was detected at the pelvic brim, ventral to the rectum. Abdominal ultrasound showed the prostate replaced by a mass with a regular shape but patchy/non-uniform echogenicity. A prostatectomy followed by prepubic urethrostomy was performed. At histopathology the tumour was composed of epithelial ducts and acini with malignant features, surrounded by proliferating cellular stroma with mitoses and nuclear atypia; an immunohistochemical panel confirmed the biphasic nature of the tumour proliferation. The diagnosis was non-infiltrating malignant mixed tumour, resembling human sarcomatoid carcinoma of the prostate. Two years after surgery the animal has not shown any health problems. To the author's knowledge, this is the first reported case of prostatic tumour with a positive follow-up after surgical treatment in cat.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/19740688/