Presentation
History of electrocution followed by loss of left shoulder movement.
Patient Data
There is a posterior dislocation of the humeral head better appreciated in the AP oblique standing view. Axial view shows dislocation as well as bony defect more clearly.
No bony lesion.
Post relocation 1 wk. For check XR as well as USG for rotator cuff status.
No dislocation. There is a defect in the anterior-medial aspect of the humeral head.
There is no full-thickness tear of the rotator cuff.
There is bony depression in the anterior medial aspect of the humeral head; deep to subscapularis tendon ( Reverse Hill Sachs or McLaughlin lesion ).
Case Discussion
The shows classic history of electrocution leading to posterior shoulder dislocation. Plain radiography and ultrasound show reverse Hill Sachs lesion ( or McLaughlin Lesion ).
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