PMC5514321_01
Some key renal biopsy findings. (a) PAS-stained section showed (arrows) duplication of glomerular basement membranes and endotheliosis (PAS stain; bar = 50 mum). (b) Immunohistochemical stain demonstrated C4d deposition within glomerular capillaries (highlighted by arrowheads). (c) Electron microscopy demonstrated conspicuous subendothelial electron dense deposit (arrow).
CRIOG2017-8698670.001.jpg
PMC5514321_01_CRIOG2017-8698670.001.jpg
fig1
On review with the pathologist, the main finding was glomerular endotheliosis and glomerular capillary double contours (Figure 1).