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Case Reports
. 2008 Jul;10(3):280-3.
doi: 10.1016/j.jfms.2007.11.002. Epub 2008 Feb 6.

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

Kelly McCord  1 , Philip F Steyn, Katharine F Lunn
Affiliations
Case Reports

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

Kelly McCord et al. J Feline Med Surg. 2008 Jul.

Abstract

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.

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