Lateral arm flap
by Amresh Baliarsing T

Jaypee’s Video Atlas of Operative Otorhinolaryngology AND Head & Neck Surgery

by Vicky S Khattar, Bachi T Hathiram
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A line drawn from the deltoid insertion to lateral epicondyle of humerus forms the axis of the flap. An elliptical skin flap of average 12 × 6 cm can be raised along the central axis of the flap. The flap is elevated from the posterior margin in a subfacial plane till the lateral intermuscular septum. The triceps muscle is separated from septum to expose the posterior radial collateral artery. The posterior cutaneous nerve of the forearm is elevated with the pedicle to make it a sensate flap. The pedicle is dissected proximally till its origin from the radial collateral artery. The anterior margin of the flap is raised in a subfacial plane above the brachialis muscle. The origin of brachioradialis is dissected from lateral septum. The distal end of the posterior radial collateral vessel is divided at the distal end of the flap.

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