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Peer-reviewed veterinary case report

Cat with kidney failure from blocked tubes between kidney and bladder

By Foster, Jonathan D & Pinkerton, Marie E·Published in Journal of feline medicine and surgery·2012·University of Wisconsin Veterinary Medical Teaching Hospital, United States·View original on PubMed

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Original publication title: Bilateral ureteropelvic junction stenosis causing hydronephrosis and renal failure in an adult cat.

Species:
cat

Plain-English summary

A 3.5-year-old male neutered cat was found to have enlarged kidneys during a routine check-up. Further tests showed he had chronic kidney disease and later developed severe lethargy and reduced urine output. Unfortunately, despite medical treatment, his condition did not improve, and he was euthanized. A post-mortem examination revealed that his kidney failure was caused by a blockage in the ureters, which led to severe swelling of the kidneys. This case highlights a rare cause of kidney failure in cats.

People also search for: cat kidney disease symptoms · why is my cat lethargic · cat ureter blockage treatment

Abstract

A 3.5-year-old male neutered cat was presented for investigation of renomegaly appreciated during a routine physical examination. Marked renomegaly due to bilateral hydronephrosis was detected and further testing identified International Renal Interest Society stage 2, non-hypertensive, non-proteinuric chronic kidney disease. Ten months later the cat was evaluated for acute lethargy; severe azotemia with oliguria was documented. Medical therapy failed to result in clinical improvement and the cat was euthanased. Necropsy revealed bilateral marked hydronephrosis secondary to a tortuous proximal ureter consistent with proximal ureteropelvic junction stenosis. This is the first report of this disorder leading to progressive renal failure in a cat.

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Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/22914571/