Fig. 2
From: Diagnosis of membranous nephropathy with Anti-GBM glomerulonephritis: a case series report
A Direct immunofluorescence reaction with FITC (fluorescein isothiocyanate)-labeled anti-IgG (note the simultaneous granular and linear staining). B Indirect immunofluorescence reaction with FITC-labeled anti-IgG3 (linear and granular staining). C Indirect immunofluorescence reaction with FITC-labeled anti-IgG4 (granular staining). D Indirect immunofluorescence reaction with FITC-labeled anti-PLA2R (granular staining)