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Figure 1. Symptomatic neuroma of sciatic nerve after above-knee amputation (AKA). A 26-year-old man with a history of polyarteritis nodosa who underwent left below-knee amputation as well as right AKA presented with right sciatic nerve symptomatic neuroma approximately 1.5 years after his AKA. The symptomatic neuroma was diagnosed both clinically and radiographically with MRI. (A) In situ sciatic nerve terminal neuroma in his right AKA surgical site. (B) The neuroma was excised, and sciatic nerve cut back to healthy-appearing fascicles. The total resected neuroma and pathologic nerve measured roughly 6 cm long.