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[Xanthogranulomatous pyelonephritis : bear paw sign].
Rev Med Liege
September 2024
Service de radiodiagnostic, CHU de Liège, Belgique.
We present the pathognomonic image of the «bear paw sign» of xanthogranulomatous pyelonephritis, a rare form of chronic pyelonephritis typically occurring in association with obstructive uropathy (especially with staghorn calculi) and recurrent urinary tract infections.
View Article and Find Full Text PDFXanthogranulomatous Pyelonephritis in Peritoneal Dialysis.
Case Rep Nephrol Dial
June 2024
Nephrology, Hospital Universitario Virgen Macarena, Seville, Spain.
Introduction: Xanthogranulomatous pyelonephritis (XGP) is a rare illness that consists of a destructive chronic inflammatory process of the renal parenchyma associated with recurrent infection and obstructions of the urinary tract. Peritoneal dialysis (PD) is a form of renal replacement therapy used in advanced kidney disease. PD patients demonstrate a systemic inflammatory state, secondary to the increase in uremic toxins, decreased filtration of proinflammatory cytokines, as well as constant exposure to bioincompatible dialysis solutions or a foreign body reaction from the catheter, among other factors, as peritoneal infections.
View Article and Find Full Text PDFBackground: Yucatan stands out as the state with the highest prevalence of urolithiasis in Mexico, placing significant demands on healthcare services, such as consultation and surgical intervention. Staghorn calculi are related to recurrent urinary tract infections, and their management is always surgical. The stone-free rate is a parameter used to measure the success of surgery, with residual stones considered those persisting four weeks after surgical management.
View Article and Find Full Text PDFA Rare Case of Retroperitoneal Abscess Caused by Nephro-Colic Fistula Resulting from Staghorn Calculus.
Am J Case Rep
February 2024
Department of General Surgery, HELORA, Site Kennedy, Monss, Belgium.
BACKGROUND Nephro-colic fistulas are uncommon, generally caused by local inflammation, trauma, or neoplasia affecting the kidney or the colon. Their association with a coralliform stone is described in a few case reports, but their management is difficult and differs quite a lot, depending on the clinical situation. We report an atypical clinical case of a reno-colic fistula associated with a staghorn calculus.
View Article and Find Full Text PDF2022 Recommendations of the AFU Lithiasis Committee: Combined approach for the management of kidney and ureteral stones (Endoscopic Combined IntraRenal Surgery, ECIRS).
Prog Urol
November 2023
UroSud, Clinique La Croix du Sud, Quint-Fonsegrives, France. Electronic address:
The primary objective of the combined approach is to limit the number of percutaneous access tracts for the treatment of staghorn, or complex kidney stones by simultaneous percutaneous antegrade and retrograde ureteroscopy. The other indication is the simultaneous presence of several kidney and ureteral stones or of an impacted pelvic stone. The combination of the two techniques may increase the stone-free rate and decrease the retreatment rate of complex stones compared with percutaneous nephrolithotomy alone.
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