Article text Home Figure 1. Histopathologic and morphometric findings in the biopsy specimens obtained from the sural nerves. Sural nerve before transplantation. Diffuse fiber loss is seen.
Arrowheads indicate a nodular deposit of amyloid.
Sural nerve after transplantation. Depleted areas of myelinated fibers are less extensive than areas in the left sural nerve. Inset reveals amyloid deposits in the endoneurium after staining with Congo red. The area framed in the middle panel at higher magnification. All sections were embedded in epoxy resin and stained with toluidine blue.