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KMID : 0882420210960010048
Korean Journal of Medicine
2021 Volume.96 No. 1 p.48 ~ p.52
Immunoglobulin G4-Related Kidney Disease with Membranous Proliferative Glomerulonephritis Presenting with a Renal Pelvic Mass
Cho Jong-Tae

Lee Eun-Kyoung
Go Jai-Hyang
Lee Yong-Moon
Lee Hwa-Young
Kim So-Mi
Abstract
Immunoglobulin G4 (IgG4)-related kidney disease is a chronic immune-mediated fibro-inflammatory disorder characterized by multiple organ infiltration with IgG4-positive plasma cells, storiform fibrosis, and obliterative phlebitis or tumefactive lesions. Previous studies have explored IgG4-related kidney disease, increasing our understanding of its clinical manifestations, and pathological and radiologic findings. However, IgG4-related kidney disease can be misdiagnosed since it mimics malignancies. We report a case of a 77-year-old Korean man diagnosed with IgG4-related kidney disease with membranous proliferative glomerulonephritis, presenting with a renal pelvic mass suspected of being malignant.
KEYWORD
Immunoglobulin G4-related disease, Glomerulonephritis, membranoproliferative, Acute kidney injury
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