Staphylococcus Infection–Associated GN – Spectrum of IgA Staining and Prevalence of ANCA in a Single-Center Cohort
Author(s) -
Anjali A. Satoskar,
Sarah Suleiman,
Isabelle Ayoub,
Jessica Hemminger,
Samir M. Parikh,
Sergey V. Brodsky,
Cherri Bott,
Edward Calomeni,
Gyongyi Nadasdy,
Brad H. Rovin,
Lee A. Hebert,
Tibor Nádasdy
Publication year - 2016
Publication title -
clinical journal of the american society of nephrology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.755
H-Index - 151
eISSN - 1555-905X
pISSN - 1555-9041
DOI - 10.2215/cjn.05070516
Subject(s) - medicine , nephropathy , serology , staining , pathology , biopsy , single center , glomerulonephritis , renal biopsy , immunoglobulin a , antibody , immunology , immunoglobulin g , kidney , diabetes mellitus , endocrinology
Staphylococcus infection-associated GN (SAGN) is a well recognized disease entity, particularly because of the frequent IgA-dominant glomerular immunoglobulin staining on kidney biopsy. Biopsy features can resemble two other disease entities - primary IgA nephropathy and Henoch-Schönlein purpura nephritis - posing a diagnostic pitfall. This is clinically relevant because of the crucial difference in the therapeutic approach. The diagnosis of SAGN is further complicated by the variability in the degree of glomerular IgA (and C3) staining, the extent of electron dense immune-type deposits, and positive ANCA serology in some patients.
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