Fig. 6From: Monoclonal gammopathy of renal significance (MGRS)-related AL amyloidosis complicated by amyloid myopathy: a case reportRenal biopsy specimen on electron microscopy. Electron microscopy (a; × 4000, b; × 30,000) shows amyloid fibrils in the mesangial region (white arrowheads) and podocyte foot process effacement (white arrows). The fiber diameter is between 9 nm and 12 nmBack to article page