Abstract
C3 glomerulopathy (C3G) is a rare entity that is defined by glomerular pathology characterized by predominant deposition of C3 in the glomeruli, with absent or scant immunoglobulin deposition. The aim of this study was to diagnose this rare entity, using clinical features, light microscopy (LM) and direct immunofluorescence (DIF) findings. A retrospective study was done from January 2016 to December 2018. Out of 207 kidney biopsies, eight cases of C3G were included in the study. Clinical, laboratory, and demographic data of all patients were obtained. LM and DIF findings were further evaluated. Nephrotic syndrome was the predominant clinical presentation in this study. All eight cases showed a membranoproliferative pattern on LM. DIF showed predominant mesangiocapillary staining with C3 in all eight cases. DIF plays an important role in making the correct diagnosis, which is necessary to further perform appropriate complement investigations, as these patients respond well to complement inhibitor therapy.
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Schedule a callMore From: Saudi journal of kidney diseases and transplantation : an official publication of the Saudi Center for Organ Transplantation, Saudi Arabia
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