Spiral glenohumeral ligament
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The spiral glenohumeral ligament, also termed fasciculus obliquus, ligamentum glenohumerale spirale and spiral GHL, is a focal thickening of the glenohumeral joint capsule, like the other glenohumeral ligaments, which has been described only relatively recently and it is not so well-known 1.
The spiral glenohumeral ligament arises from the infraglenoid tubercle and the triceps tendon and has a joint insertion on the lesser tubercle of the humerus together with the subscapularis tendon 1.
The spiral glenohumeral ligament has been consistently demonstrated by anatomic dissection and on MRI 1.
When visualized it is best appreciated as a hypointense structure on sagittal oblique and axial T1 and PD weighted sequences of MR arthrography 1.
- 1. Merila M, Leibecke T, Gehl HB et-al. The anterior glenohumeral joint capsule: macroscopic and MRI anatomy of the fasciculus obliquus or so-called ligamentum glenohumerale spirale. Eur Radiol. 2004;14 (8): 1421-6. doi:10.1007/s00330-004-2296-2 - Pubmed citation
- 2. Pouliart N, Somers K, Gagey O. Arthroscopic glenohumeral folds and microscopic glenohumeral ligaments: the fasciculus obliquus is the missing link. J Shoulder Elbow Surg. 2008;17 (3): 418-30. doi:10.1016/j.jse.2007.11.011 - Pubmed citation