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Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_XXXVII | Pages 451 - 451
1 Sep 2012
Visoná E Godenèche A Nové-Josserand L Neyton L Hardy M Piovan G Aldegheri R Walch G
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PURPOSE

We performed an anatomical study to clarify humeral insertions of coracohumeral ligament (CHL) and superior glenohumeral ligament (SGHL) and their relationship with subscapularis tendon. The purpose of our study was to explain the « Comma Sign » observed in retracted subscapularis tears treated by arthroscopy.

MATERIAL AND METHODS

20 fresh cadaveric shoulders were dissected by wide delto-pectoral approach. After removal the deltoid and posterior rotator cuff, we removed humeral head on anatomical neck. So we obtained an articular view comparable to arthroscopical posterior portal view. We looked for a structure inserted on subscapularis tendon behind SGHL. By intra-articular view we removed SGHL and CHL from the medial edge of the bicipital groove, then subscapularis tendon from lesser tuberosity. We splitted the rotators interval above the superior edge of subscapularis tendon and observed the connections between subscapularis tendon, CHL and SGHL.