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Anterior shoulder dislocation with Perthes lesion and HAGL

Case contributed by Dr. Mandakini Siwach


Recent shoulder dislocation.

Patient Data

Age: 30 years
Gender: Male

Localized marrow edema and depression over the posterosuperior aspect of the humeral head, consistent with a Hill-Sachs lesion

A tear involving the anterior labrum between 2 o'clock and 5 o'clock positions. There is a fluid cleft signal intensity between the detached labroligamentous complex and the anterior aspect of the glenoid, consistent with periosteal stripping.  No displacement of the labroligamentous complex is noted. The appearance is consistent with Perthes lesion.

The adjoining middle glenohumeral ligament also appears thickened and hyperintense and is likely torn.

Thickening and hyperintensity of the anterior and posterior bands of the inferior glenohumeral ligament. with localized soft tissue edema at the attachment of the posterior band of the inferior glenohumeral ligament to the humerus consistent with a capsular tear (HAGL).

Linear defect in the articular cartilage of glenoid suggesting GLAD.

Mild glenohumeral joint effusion.

A partial thickness tear involving the superior labrum between 11 and 12 o'clock positions.


Annotated images as described.

Case Discussion

This case depicts several typical findings of anterior shoulder dislocation.

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Case information

rID: 53956
Published: 20th Jun 2017
Last edited: 14th Aug 2019
Inclusion in quiz mode: Included

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