What incisions are made in a subcutaneous transposition for ulnar neuropathy?

Updated: Jun 08, 2018
  • Author: Charles F Guardia, III, MD; Chief Editor: Nicholas Lorenzo, MD, MHA, CPE  more...
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A longitudinal incision approximately 15 cm in length is made over the course of the ulnar nerve. Once the nerve is visualized from about 8 cm proximal to the medial epicondyle to 6 cm distal to the epicondyle, the distal portion of the medial intermuscular septum, the fibroaponeurotic roof of the epicondylar groove, the Osborne ligament, and the flexor carpi ulnaris fascia are incised, freeing the nerve. About 3-4 cm of the medial intermuscular septum proximal to the medial epicondyle is excised to prevent postoperative kinking of the nerve.

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