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Case Reports
. 2019 Oct;60(10):1104-1110.

Surgical fenestration combined with omentalization for the treatment of renal cysts in 2 dogs

Jiyoung Park  1 , Changhwan Moon  1 , Mokhyeon Lee  1 , Hae-Beom Lee  1 , Seong Mok Jeong  1
Affiliations
Case Reports

Surgical fenestration combined with omentalization for the treatment of renal cysts in 2 dogs

Jiyoung Park et al. Can Vet J. 2019 Oct.

Abstract
in English, French

Two cases of surgical fenestration combined with omentalization for canine renal cysts using laparotomy and laparoscopy are described. After surgery, the cystic lesions gradually diminished in size, and a complete regression was confirmed in Case 2 by ultrasonography. The dogs maintained good condition without clinical signs of renal compromise for 14 months (Case 1) and 24 months (Case 2). Omentalization is a simple and effective procedure for canine renal cysts that conserves the remaining parenchyma and can be performed by a laparoscopic approach.

Fenestration chirurgicale combinée à une omentalisation pour le traitement de kystes rénaux chez deux chiens. Deux cas de fenestration chirurgicale combinée à une omentalisation pour traiter des kystes rénaux canins utilisant la laparotomie et la laparoscopie sont décrits. Après la chirurgie, les lésions kystiques ont graduellement diminué en grosseur, et une régression complète fut confirmée par échographie dans le Cas 2. Les chiens ont maintenu une bonne condition sans signe clinique de complication rénale pendant 14 mois (Cas 1) et 24 mois (Cas 2). L’omentalisation est une procédure simple et efficace pour les kystes rénaux canins qui conserve le parenchyme restant et peut être réalisée par une approche laparoscopique.(Traduit par Dr Serge Messier).

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Conflict of interest statement

The authors report no financial or other conflicts of interest related to this report.

Figures

Figure 1
Figure 1
Diagnostic images of renal cysts in 2 dogs using computed tomography and ultrasonography. In Case 1, a 36 × 40 × 46 mm round, anechoic, and hypodense cyst was identified in the right kidney, which was separated from the renal pelvis (A — CT; B — ultrasonography). A 30 × 36 mm round anechoic cyst was observed in Case 2 (C — ultrasonography).
Figure 2
Figure 2
Open fenestration and omentalization of a canine renal cyst (RC) by laparotomy (Case 1). An RC occupying the cranial pole in the right kidney (A), internal view of the opened cyst after aspiration (B), omentalized renal cyst after decortication (C). * — kidney, O — omentum.
Figure 3
Figure 3
Ultrasonographic images of renal cysts after surgical fenestration with omentalization in 2 dogs. The omentum was maintained at its intended location, and the cyst regressed gradually in both patients. The lesion was 19.4 mm on post-operation day (POD) 28 (A) and 7 mm on POD 213 (B) in Case 1. In Case 2, complete regression was achieved (C — POD 1 and D — POD 156). * — omentum; arrow — renal cyst; arrowhead — cystic wall line.
Figure 4
Figure 4
Laparoscopic fenestration and omentalization of a canine renal cyst (RC) (Case 2). Intra-abdominal image of the RC (arrow) in the right kidney (A) and percutaneous aspiration using a spinal needle (B). The collapsed cyst (arrow) was circumferentially separated from the peritoneal lining with perinephric fat (arrowheads), and then the cyst wall was opened (C). The turbid orange-colored fluid was completely drained (D). Cyst wall tissue was removed using an ultrasonic scalpel (E), and the kidney returned to its normal bean-like shape (F). The omentum was packed into the cystic pocket (G) and sutured to the trimmed edge (H). Omentalized kidney (I).
See this image and copyright information in PMC

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