PubMed · 10834794
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D I Sessler. Statistically significant?. https://pubmed.ncbi.nlm.nih.gov/10834794/
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During routine dissection a subclavius posticus muscle was found on the left side of a male cadaver. This muscle arose from the upper margin of the scapula and transverse scapular ligament, inserted in the superior side of the first rib cartilage, and was innervated by a small branch from the suprascapular nerve. The anatomical relationships of the supernumerary muscle with the brachial plexus and the subclavian artery is suggestive of a possible cause of the thoracic outlet syndrome and therefore of clinical significance.
The selection of patients who will benefit from peripheral nerve surgery continues to evolve. The evaluation of patients with peripheral nerve problems, and the indications and timing of surgery are reviewed. This includes patients with transections, lesions in continuity, entrapments, tumors, injection injuries, and birth palsies. The treatment outlined for patients with peripheral nerve and brachial plexus injuries is based on a comprehensive clinical and electrodiagnostic evaluation complemented by imaging studies. A systematic approach to the surgical management of these neural lesions has evolved at our institution, based in part on extensive experience with intraoperative recording of nerve action potentials (NAPs) and a resultant large number of referrals. Advanced microsurgical techniques including use of grafts have expanded the scope of peripheral nerve surgery. These advances coupled with intraoperative electrophysiologic measurements have improved outcomes.
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