Peer-reviewed veterinary case report
Cat with fused crossed kidneys causing kidney failure and high blood
By Allworth, M S & Hoffmann, K L·Published in Veterinary radiology & ultrasound : the official journal of the American College of Veterinary Radiology and the International Veterinary Radiology Association·1999·North Shore Veterinary Hospital, Australia·View original on PubMed →
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Original publication title: Crossed renal ectopia with fusion in a cat.
- Species:
- cat
Plain-English summary
A 7-year-old neutered male cat was brought in because he was drinking and urinating more than usual and had a noticeable lump in his abdomen. After various tests, the veterinarian discovered that one of his kidneys had moved to an unusual position and fused with the other kidney, which was causing kidney failure and high blood pressure. While this condition is rare in cats, it shares some similarities with cases seen in humans. Treatment focused on managing his kidney issues and hypertension, but the specifics of his recovery were not detailed.
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Abstract
In humans, crossed renal ectopia is a rare, usually asymptomatic, congenital malpositioning of the kidneys, involving wandering of one or both embryonic kidneys across the midline and usually fusion with its contralateral partner. This is the first report of crossed renal ectopia in the cat. A 7-year-old, neutered male cat was presented with polyuria, polydipsia, and a palpable abdominal mass. Diagnostic investigations, including clinical pathology, survey and contrast radiography, and ultrasonography, confirmed the presence of an ectopic left kidney fused with an orthotopic right kidney, with concurrent renal failure and hypertension. Many features of crossed renal ectopia in this cat are similar to those described in humans, however the vascular supply, the presence of renal failure, and the axial rotation of the fused kidney are atypical.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/10463828/