Fig. 1From: Clinico-pathological considerations in a 48-years-old female with acute kidney injury: is it lupus nephritis, ANCA-associated vasculitis or something else?Kidney biopsy done at admission. (a,b) Light microscopy examination showing (a) cellular circumferential crescents within 3 glomeruli, and (b) a normal glomeruli. Periodic acid-Schiff staining. (c, d, e), Immunofluorescence analysis showing predominant C1q staining (d), as compared to IgG (c) and C3 (e) stainingBack to article page