J Korean Soc Radiol.  2021 Mar;82(2):475-480. 10.3348/jksr.2020.0044.

A Case of Xanthogranulomatous Pyelonephritis with Nephropleural Fistula Formation: Role of MRI in Diagnosis and Treatment

Affiliations
  • 1Department of Radiology, Kyung Hee University Hospital, College of Medicine, Kyung Hee University, Seoul, Korea

Abstract

Xanthogranulomatous pyelonephritis (XGP) is a rare type of chronic bacterial nephritis, which rarely involves the invasion of adjacent organs or the formation of fistulas due to tissue-destructive granulomatous reactions. Although the invasions of various adjacent organs have been reported in several cases of XGP, MRI data on their features are limited. MRI has a better soft-tissue resolution than CT. Thus, it can identify the extent of extrarenal involvement in advanced XGP, and the findings can be used in treatment planning. Herein, we report a rare case of XGP with nephropleural fistula formation diagnosed using CT and MRI.

Keyword

Pyelonephritis; Xanthogranulomatous; Magnetic Reonance Imaging; Fistula; Kidney
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