Peer-reviewed veterinary case report
Male Siamese cat with cystine bladder stones and urination trouble
By DiBartola, S P et al.·Published in Journal of the American Veterinary Medical Association·1991·Department of Veterinary Clinical Sciences, United States·View original on PubMed →
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Original publication title: Cystinuria in a cat.
- Species:
- cat
Plain-English summary
A 10-month-old male Siamese cat was brought in for difficulty urinating (dysuria) and was found to have small stones made of cystine in his bladder. Tests showed that the cat had trouble reabsorbing certain amino acids, which led to the formation of these stones. The diagnosis was cystinuria (a condition that causes cystine crystals to form) and cystine urolithiasis (bladder stones made of cystine). Treatment options typically include dietary changes and medications to help dissolve the stones and prevent new ones from forming.
People also search for: Siamese cat difficulty urinating · cystine stones in cats · cat urinary problems treatment
Abstract
A 10-month-old male Siamese cat with dysuria was determined to have cystine crystalluria. Many small calculi composed entirely of cystine were found in the urinary bladder. Measurement of serum and urine amino acids and calculation of fractional reabsorption of amino acids indicated reabsorption defects for cystine, ornithine, lysine, and arginine. Urinary acidification, fractional reabsorption of glucose, and fractional reabsorption of electrolytes were normal. Diagnoses of cystinuria and cystine urolithiasis were made on the basis of low fractional reabsorption of cystine and dibasic amino acids and the detection of cystine calculi in the urinary bladder.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/1995560/