Proximally, the incision can't be extended to expose the rest of the radius.As long as the dissection at the level of the wrist joint remains below the periosteum, the artery is difficult to damage.Cutting a cutaneous nerve may result in a painful neuroma.If the incision is taken down to the extensor retinaculum before the ulnar and radial flaps are elevated, the nerves are protected by the full thickness of the fat. Damage to cutaneous nerves occurs only if the dissection begin within the fat.The extensor retinaculum is preserved during closure it can be sutured underneath the extensor tendons to prevent them from being abraded by the bones.Dissect the radial edge of the cut extensor retinaculum radially to deroof the first compartment.To expose the other compartments, incise the ulnar edge of the cut retinaculum by sharp dissection in an ulnar direction to deroof sequentially the four compartments on the ulnar side.The compartment is on the radial side of Lister's tubercle. ![]()
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