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Histological change of the sciatic nerve (middle segment of graft level) regenerated with a nerve autograft (A), inside-out vein autograft (B), and inside-out vein autograft filled with platelet-rich plasma (PRP) (C) at 16 and 24 weeks post-operation (toluidine blue staining, × 400).
PRP-filled inside-out vein autograft has a larger axon diameter and better-organized fascicles than an inside-out vein autograft.
