Peer-reviewed veterinary case report
Male cat spraying urine caused by hormone tumor after neutering
By Rosen, D K & Carpenter, J L·Published in Journal of the American Veterinary Medical Association·1993·Cat Hospital of Milwaukee·View original on PubMed →
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Original publication title: Functional ectopic interstitial cell tumor in a castrated male cat.
- Species:
- cat
Plain-English summary
A 12-year-old male cat that had been neutered at 6 months was brought in for urine spraying that had been happening for two years. Despite trying different medications, the spraying continued, and the cat showed signs of male characteristics, including high testosterone levels. After the cat passed away, a tumor was discovered in a remnant of the spermatic cord, which likely caused the hormone imbalance and the urine spraying behavior. Unfortunately, the treatments did not resolve the issue, and the underlying tumor was only found after the cat's death.
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Abstract
A 12-year-old male cat that had been castrated at 6 months of age was examined to determine the cause of urine spraying of 2 years' duration. The cat had acquired physical characteristics of a sexually intact male, and its serum testosterone concentration was greater than values expected for a castrated cat. Administration of a variety of medications did not halt urine spraying. At necropsy, an interstitial cell tumor was found in a remnant of a spermatic cord.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/8320156/