Variations in the cutaneous innervation of the dorsum of foot- A case report

Kotian, Sushma R and Billakanti, Prakash Babu and Singh, Jitendra Yadav (2015) Variations in the cutaneous innervation of the dorsum of foot- A case report. International Archives of Integrated Medicine, 2 (2). pp. 143-147. ISSN 2394-0026

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Abstract

The skin on the dorsum of the foot is innervated by the superficial peroneal, sural and saphenous nerves. Most of the dorsum is supplied by the superficial peroneal nerve. Here we report a variation in the sensory innervation of the dorsum of the left foot in a 52 years old male cadaver. The skin of the first inter-digital cleft i.e., cleft between the great and second toes which is normally innervated by the deep peroneal nerve was also supplied by the superficial peroneal nerve. A communication between the superficial and the deep peroneal branches were also observed prior to innervation. In addition, the fourth inter digital cleft i.e., cleft between the fourth and fifth toes which is normally innervated by the superficial peroneal nerve was supplied by the sural nerve. Cutaneous nerves on the dorsum of foot are at risk for iatrogenic damage while performing arthroscopy, local anaesthetic block, and surgical approach to the fibula, open reduction and internal fixation of lateral malleolar fractures, application of external fixators, elevation of a fasciocutaneous or fibular flaps for grafting, surgical decompression of neurovascular structures, or miscellaneous surgery on leg, foot and ankle. Therefore a detailed knowledge about the variations in the pattern of cutaneous innervation of dorsum of foot may decrease the damage to these nerves during operative procedures.

Item Type: Article
Uncontrolled Keywords: Dorsum of foot; innervation; surgery; sural nerve.
Subjects: Medicine > KMC Manipal > Anatomy
Depositing User: KMC Manipal
Date Deposited: 19 Feb 2015 10:19
Last Modified: 19 Feb 2015 10:19
URI: http://eprints.manipal.edu/id/eprint/141981

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