Bilateral ureteropelvic junction stenosis causing hydronephrosis and renal failure in an adult cat.
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.
University of Wisconsin Veterinary Medical Teaching Hospital, Madison, WI 53706, USA. jfoster3@svm.vetmed.wisc.edu
Jonathan D
JD
Foster
Marie E
ME
Pinkerton
D000818:Animals; D002371:Cat Diseases / Q000473:pathology* / Q000601:surgery*; D002415:Cats; D017809:Fatal Outcome; D006869:Hydronephrosis / Q000473:pathology / Q000601:surgery / Q000662:veterinary*; D007676:Kidney Failure, Chronic / Q000473:pathology / Q000601:surgery / Q000662:veterinary*; D007682:Kidney Pelvis; D008297:Male; D014515:Ureteral Diseases / Q000473:pathology / Q000601:surgery / Q000662:veterinary*