Simultaneous occurrence of hepatitis C virus-associated glomerulonephritis and AL amyloidosis
Author(s) -
Yuncan Cao,
Yuehua Zhang,
Shuang Wang,
MingHui Zhao,
Wen Zou
Publication year - 2009
Publication title -
nephrology dialysis transplantation
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.654
H-Index - 168
eISSN - 1460-2385
pISSN - 0931-0509
DOI - 10.1093/ndt/gfp296
Subject(s) - immunoelectron microscopy , medicine , amyloidosis , pathology , mesangium , glomerulonephritis , hepatitis c virus , hepatitis c , immunohistochemistry , kidney , virology , virus
We report a 65-year-old male with hepatitis C virus (HCV)-associated glomerulonephritis (GN) and AL amyloidosis. This patient had a 14-year history of HCV infection with positive serum HCV RNA at presentation. Diagnosis of HCV-related GN was established using immunohistochemistry in which the HCV-NS3 antigen was mainly detected as granular deposition in glomerular mesangium. AL amyloidosis was determined by electron microscopy, positive Congo red staining and identification of lambda-chain in the kidney specimen and monoclonal IgG-lambda in serum and urine. Under immunoelectron microscopy, the HCV-NS3 antigen was found in electron-dense deposits, while lambda-chains appeared in the amyloid-like filaments.
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