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Sensate osteocutaneous fibula flap: Anatomic study of the innervation pattern of the skin flap

✍ Scribed by Leonie A. E. Woerdeman; Bryan J. Chaplin; Francisca M. M. Griffioen; Kurt E. Bos

Publisher: John Wiley and Sons
Year: 1998
Tongue: English
Weight: 133 KB
Volume: 20
Category: Article
ISSN: 1043-3074
DOI: 10.1002/(sici)1097-0347(199807)20:4<310::aid-hed5>3.0.co;2-1

No coin nor oath required. For personal study only.

✦ Synopsis

Background. For oromandibular reconstructions, an osteocutaneous fibula flap provides sufficient bone and pliable skin. Sensory reinnervation could possibly prevent problems in mastication and deglutition.

Methods. In this anatomic study, 33 cadaver limbs were microsurgical dissected. We investigated the lateral sural cutaneous nerve (LSCN), which supplies sensation to the skin of the lateral lower leg, in relation to the fibula skin flap. The fibula is vascularized by the peroneal vessels via the posterior intermuscular septum. Therefore, the posterior septum determines the center line of the flap design.

Results. The LSCN runs in 74% of the dissections posterior to the posterior septum, whereas an anterior branch was seen in 26%. In 54% of the dissections, the distance to the posterior septum was within 3 cm from the septum, whereas in 86%, the distance was found to be within 4 cm.

Conclusion. The skin flap should be designed more posteriorly to achieve maximal reinnervation.

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