Posterior shoulder dislocation

Case contributed by Dr Maulik S Patel

Presentation

H/o electrocution followed by loss of left shoulder movement.

Patient Data

Age: 50 yrs
Gender: Female
Modality: X-ray

There is a posterior dislocation of humeral head better appreciated in AP oblique standing view. Axial view shows dislocation as well as bony defect more clearly.

No bony lesion.

Post relocation 1 wk. For check radiograph as well as USG for rotator cuff status.

Modality: X-ray

No dislocation. There is defect in anterior-medial aspect of humeral head.

Modality: Ultrasound

There is no full thickness tear of rotator cuff.

There is bony depression in anterior medial aspect of 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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Case Information

rID: 48732
Case created: 21st Oct 2016
Last edited: 1st Dec 2016
Inclusion in quiz mode: Included

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