PMC5703149_01
Allodynia (arrow, circle area) of scar tissue area and hypoesthesia (arrow head, oblique line area) on the dorsolateral side of the foot.
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The patient complained of allodynia around the scar area and tingling sensation in the dorsolateral left foot (Figure 1). However, tingling sensation in the forefoot dorsum was not changed (Figure 1).
Excision of the hypersensitive painful skin and vein wrapping of superficial peroneal nerve (between arrow head and arrow).
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The superficial vein for wrapping the superficial peroneal nerve was harvested from the left inguinal area (Figure 2).
Microscopic findings of immunohistochemistry for neurofilament protein show more axons (arrowhead and arrows) in lesion site (B) than normal skin (A); (hematoxylin and eosin stain 100x).
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Compared with the contralateral normal skin tissue, the lesion site contained more axons (Figure 3).
The flap healed well and there was no allodynia 1 year after flap surgery.
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The patient could tolerate walking and was satisfied with the results of our flap surgery (Figure 4).