Fig. 1From: Spontaneous remission of adult-onset minimal change nephrotic syndrome associated with influenza B infection: a case reportThe light microscopic examination of a kidney biopsy specimen. a Periodic acid-Schiff staining did not show mesangial cell proliferation or increases in mesangial matrix. b Periodic acid methenamine silver staining did not show thickening, double-contouring, or spike formation of the basement membrane. Scale bars, 50 μmBack to article page