The most accessible sensory nerve for biopsy is the sural nerve located behind the ankle. The procedure involves injection of a local anesthetic in the area to be biopsied. An incision about two ...

Nerve and muscle biopsy are occasionally performed to exclude infiltrative neoplasms, paraproteinemic vasculitis, or AL. If vasculitis is suspected, biopsy of the sural nerve is indicated.

and the glucose 64 mg. per 100 ml. Photomicrograph (Transverse Section) of a Sural-Nerve Biopsy (1 per Cent Osmium Tetroxide Stain X625), Showing Multiple Axons with Myelin Loss. Figure 3 ...