Focal Xanthogranulomatous Pyelonephritis Associated with Xanthogranulomatous Cholecystitis: A Case Report
조숭문, 김호균, 이혜경, 이병모, 김기환, 이경은, 심재찬, 황대현, 이기재,
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조숭문 ( Cho Soong-Moon )
Inje University Seoul Paik Hospital Department of Radiology
김호균 ( Kim Ho-Kyun )
Inje University Seoul Paik Hospital Department of Radiology
이혜경 ( Lee Hye-Kyung )
Inje University Seoul Paik Hospital Department of Pathology
이병모 ( Lee Byung-Mo )
Inje University Seoul Paik Hospital Department of Surgery
김기환 ( Kim Ki-Hwan )
Inje University Seoul Paik Hospital Department of Radiology
이경은 ( Lee Kyoung-Eun )
Inje University Seoul Paik Hospital Department of Radiology
심재찬 ( Shim Jae-Chan )
Inje University Seoul Paik Hospital Department of Radiology
황대현 ( Hwang Dae-Hyun )
Inje University Seoul Paik Hospital Department of Radiology
이기재 ( Lee Ghi-Jai )
Inje University Seoul Paik Hospital Department of Radiology
Abstract
Xanthogranulomatous inflammation is a rare inflammatory reaction, characterized by lipid-laden macrophages, known as xanthomas, in histopathologic examination. Aggressive xanthogranulomatous inflammation often manifests as local infiltration but does not affect distant organs unless combined with rare systemic diseases. We report a case of focal xanthogranulomatous pyelonephritis (XGP) associated with severe xanthogranulomatous cholecystitis. Focal XGP was suspected in radiologic examination that showed a cystic lesion with an infiltrative margin, which were surgically resected and confirmed in pathologic examination. To our knowledge, this is the first report of focal xanthogranulomatous pyelonephritis associated with xanthogranulomatous cholecystitis. Moreover, we found peripheral hypointensity around the cystic lesion in the T2-weighted image, probably reflecting hemorrhage and fibrosis of the xanthogranulomatous inflammation.
키워드
Xanthogranulomatous Cholecystitis; Pyelonephritis, Xanthogranulomatous; Magnetic Resonance Imaging
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