Fig. 5From: Monoclonal gammopathy of renal significance (MGRS)-related AL amyloidosis complicated by amyloid myopathy: a case reportRenal biopsy specimen on immunofluorescence microscopy. Direct immunofluorescence microscopy shows (1+) staining for lambda light chains (a; × 200) in the mesangial region and negative staining for kappa light chains (b; × 200)Back to article page