Unique distribution by the peroneal nerves: a case report

Rajalakshmi Rai, Anu V Ranade, Shwetha Sequeira, Rajanigandha Vadgaonkar, P J Jiji, T Mamatha
Surgical and Radiologic Anatomy: SRA 2012, 34 (6): 559-61

PURPOSE: Among the branches of common peroneal nerve, the superficial peroneal provides cutaneous innervation to major part of the dorsum of the foot and deep peroneal nerve supplies the skin over the first interdigital cleft region.

METHODS: The present rare case was observed during routine dissection of leg for undergraduate students, in a 52-year-old male, formalin fixed cadaver.

RESULTS: The superficial peroneal nerve provided solely motor branches to peroneus longus and brevis, whereas cutaneous branches were provided by deep peroneal nerve. In the lower one-third of the leg deep peroneal nerve divided into medial and lateral branches. The medial branch supplied tibialis anterior and the lateral branch supplied skin of medial three and half toes. Moreover, the sural nerve supplied the skin of lateral one and a half toes.

CONCLUSION: Awareness of this type of variations in the course of nerves helps to alert the surgeons when there are complaints of atypical or unique pain in that particular region.

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