This is a hyperplastic lesion characterized by the proliferation of all of the elements constituting the nerve. After amputation or transection of a nerve trunk, when proximal nervous regeneration cannot be channeled in the distal nerve segment, it constitutes a tangle of cells and fibers. It is a disorderly proliferation of nerve fibers, with their myelinic coating, Schwann cells and fibroblasts, deriving from the proximal segment of the nerve, and which is exhausted within a few months. The lesion is exquisitely painful.
KeywordsNerve Fiber Schwann Cell Proximal Segment Nerve Trunk Island Flap
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