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Unilateral improvement in glomerular filtration rate after permanent drainage of a perinephric pseudocyst in a cat

A 12-year-old, 6 kg, castrated male Siamese-cross cat was referred for investigation of an abdominal mass. The cat was found to have a left perinephric pseudocyst (PNP), accompanied by azotemia, with a small right kidney detected on ultrasound. Glomerular filtration rate (GFR) was determined by rena...

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Bibliographic Details
Published in:Journal of feline medicine and surgery 2008-07, Vol.10 (3), p.280-283
Main Authors: McCord, Kelly, Steyn, Philip F., Lunn, Katharine F.
Format: Article
Language:English
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Summary:A 12-year-old, 6 kg, castrated male Siamese-cross cat was referred for investigation of an abdominal mass. The cat was found to have a left perinephric pseudocyst (PNP), accompanied by azotemia, with a small right kidney detected on ultrasound. Glomerular filtration rate (GFR) was determined by renal scintigraphy and was found to be low, with the left kidney contributing 64% of the total GFR. Percutaneous ultrasound-guided drainage of the PNP did not improve the GFR, and fluid reaccumulated within a short period of time. Laparoscopic fenestration of the cyst capsule was performed to allow for permanent drainage. The PNP did not recur, renal values progressively improved, and 8 months after the capsulotomy the GFR of the left kidney had increased by 50%, while renal function remained static on the right side.
ISSN:1098-612X
1532-2750
DOI:10.1016/j.jfms.2007.11.002