Os acromiale with impingement

Case contributed by Dr Andrew Dixon

Presentation

Sport associated shoulder pain.

Patient Data

Age: 25 years
Gender: Male
X-ray

Os acromiale

MRI

Hypointense line traversing the distal acromion in keeping with an os acromiale with a fibrous synchondrosis. There is edema of the os together with focal effusion of the subjacent subacromial bursa consistent with bursitis from impingement.

Case Discussion

Os acromiale with subacromial bursitis related to rotator cuff impingement..

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