Overlap syndrome consisting of PSC-AIH with concomitant presence of a membranous glomerulonephritis and ulcerative colitis

Figure 1 Hematoxylin eosin. Centrilobular necrosis (disorganized appearance) (red arrow) centrilobular vein (black arrow) (original magnification × 40).

Figure 2 Optic microscopy: Jones’ staining. Presence of spikes in a diffuse manner (arrows) (silver impregnation of the basement membrane, original magnification × 400).

Figure 3 Immunoperoxidase (anti-IgG Ab). Binding of the antibody in the sub-epithelial region of the basal membrane. The immunofixation for C3d and C4d are positive in the same locations, original magnification × 400.