n SA Journal of Radiology - Humeral avulsion of the glenohumeral ligament : the J sign : case report
|Article Title||Humeral avulsion of the glenohumeral ligament : the J sign : case report|
|Journal||SA Journal of Radiology|
|Affiliations||1 University of Pretoria|
|Publication Date||Jan 2014|
|Pages||1 - 2|
The lesion resulting from humeral avulsion of the glenohumeral ligament (HAGL) is an important cause of anterior glenohumeral instability and can be seen in isolation or combination with an antero-inferior labral complex lesion. A conclusive magnetic resonance imaging diagnosis is aided when either a joint effusion is present or a contrast arthrography of the shoulder is performed. It is important to be familiar with the J sign as it represents contrast leaking through the defect in the lateral attachment of the joint capsule.
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