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Peer-reviewed veterinary case report

Left kidney function improved after draining cyst in cat

By McCord, Kelly et al.·Published in Journal of feline medicine and surgery·2008·Veterinary Specialists of Northern Colorado, United States·View original on PubMed

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Original publication title: Unilateral improvement in glomerular filtration rate after permanent drainage of a perinephric pseudocyst in a cat.

Species:
cat

Plain-English summary

A 12-year-old Siamese-cross cat was brought in for an abdominal mass and was found to have a fluid-filled sac near the left kidney, which was affecting its kidney function. Despite an initial attempt to drain the fluid using ultrasound, the problem returned quickly. The vet then performed a surgical procedure to create a permanent opening in the cyst, which successfully prevented it from coming back. Over the next eight months, the cat's kidney function improved significantly, with the left kidney's filtration rate increasing by 50%, while the right kidney remained stable.

People also search for: cat abdominal mass · cat kidney function improvement · perinephric pseudocyst treatment · Siamese cat kidney disease · cat surgery for kidney issues

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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Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/18258473/