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Washington University Experience | NEOPLASMS - CRANIAL AND PARASPINAL NERVEs | Perineurioma, Intraneural | 9A1 Perineurioma (Case 9) H&E 7
Case 9 History ---- The patient is an 8-year-old boy with progressive right foot weakness. Electrophysiology showed a severe right common peroneal neuropathy and ultrasound identified an intraneural tumor. Operative procedure: Right peroneal nerve biopsy 9A1,2 Multiple fascicles contain numerous variably sized whorled structures within the nerve, composed of a concentric population of spindle cells and collagen fibers forming pseudo-onion bulbs. (H&E)
