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Fig. 1 | BMC Nephrology

Fig. 1

From: AL amyloidosis with non-amyloid forming monoclonal immunoglobulin deposition; a case mimicking AHL amyloidosis

Fig. 1

Renal biopsy findings consistent with IgM-kappa type AHL amyloidosis. a Glomeruli with mesangial widening consisting amorphous deposition (× 100, periodic acid-Schiff stain), (b) Glomeruli with mesangial Congo red positive deposition (× 100), (c) Electron micrograph with mesangial organized deposition with fibrillary structure of 8 to 12 nm in diameter (× 1500, × 20000), (d-f) Immunofluorescent staining positive for mu heavy-chain (d) and kappa light-chain (e) and negative for lambda light-chain (F)

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