|Microsurgery: Transplantation and Replantation by Harry J. Buncke, MD, et al.|
| From proximal to distal, the biceps, brachialis, brachioradialis, and extensor carpi radialis longus arise from the anterior surface of the septum and humerus. From the posterior surface of the septum the lateral head of the triceps arises proximal to the spiral groove and the medial head distal to the groove.
The radial nerve, the superior profunda or the posterior radial collateral vessels, and the posterior cutaneous nerve of the arm and forearm wind around the humerus in the spinal groove.
B. The relationships between the skin flap lateral intermuscular septum and neurovascular structures are shown.
A. The posterior border of the flap has been incised, as well as the fascia overlying the triceps muscle and tendon.
A. The skin island, tacked to the fascia, is completely mobilized on the septum. The distal septum has been cut down to its humeral origin and is being detached proximally, visualizing the radial nerve as it emerges from the spinal groove from the lateral to the anterior muscular compartment.
A 42-year-old man had a vascular malformation of the medial ankle that had been treated by excision and closure by split-thickness skin grafts on several occasions.
FIG. 8-01. The patient now has an unstable scar that is prone to recurrent breakdown.
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