Clinicopathological Implications of Proteinuria after Long-Term Isolated Hematuria due to Thin Basement Membrane Nephropathy and Focal Segmental Glomerulosclerosis

A 45-year-old obese man presented with persistent hematuria for 21 years. At the age of 37, he developed hypertension and proteinuria which later increased up to 1.6 g/g creatinine. Kidney biopsy revealed thin basement membrane nephropathy (TBMN) and focal segmental glomerulosclerosis (FSGS), which...

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Main Authors: Ryo Togashi, Yoshikazu Nemoto, Kaito Waki, Michito Nagura, Shigeyuki Arai, Yoshifuru Tamura, Yasutoshi Oshima, Fukuo Kondo, Ryuji Ohashi, Shunya Uchida, Shigeru Shibata, Yoshihide Fujigaki
Format: Article
Language:English
Published: Wiley 2019-01-01
Series:Case Reports in Nephrology
Online Access:http://dx.doi.org/10.1155/2019/1627392
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Summary:A 45-year-old obese man presented with persistent hematuria for 21 years. At the age of 37, he developed hypertension and proteinuria which later increased up to 1.6 g/g creatinine. Kidney biopsy revealed thin basement membrane nephropathy (TBMN) and focal segmental glomerulosclerosis (FSGS), which explained his urinary abnormalities. Although a subgroup of TBMN can be complicated by FSGS, his FSGS was associated with obesity because of its histological features. Reduction of body weight and increasing a dose of angiotensin-receptor blocker could transiently reduce the amount of proteinuria. Clinicopathological implications of proteinuria after long-term hematuria by TBMN and FSGS were further discussed.
ISSN:2090-6641
2090-665X