Fig. 1

Pathologic findings. a Minor glomerular abnormality. Periodic acid-Schiff stain. Original magnification × 600. b Immunofluorescence detection of C1q deposits in mesangial areas (2+ intensity). c Electron-dense deposits on mesangial and para-mesangial areas. d and e Minor glomerular abnormality. Periodic acid-Schiff stain. Original magnification × 200