Rapidly progressive,pauci-immune diffuse crescentic glomerulonephritis in an infant |
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Authors: | Tanaka Hiroshi Waga Shinobu Suzuki Koichi Nakahata Tohru Kawachi Hiroshi Shimizu Fujio Ito Etsuro |
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Affiliation: | Department of Pediatrics, Hirosaki University, School of Medicine, 5 Zaifu-cho, Hirosaki, 036-8562 Japan. hirotana@cc.hirosaki-u.ac.jp |
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Abstract: | A Japanese male infant presented with nephrotic syndrome at 41 days. His renal function progressively deteriorated, and he died at 4 months of the age. An open renal biopsy revealed diffuse crescentic glomerulonephritis (CrGN) without immune complex deposition, which is not characteristic of the congenital nephrotic syndrome (CNS). Examination for nephrin antigen using rabbit anti-nephrin extra- and intracellular site antibodies was positive. These clinical observations suggest that the patient had a unique histological variant of CNS. This is the first report of rapidly progressive, pauci-immune diffuse CrGN in infancy. |
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