Acromial fracture

Case contributed by Bahman Rasuli
Diagnosis certain

Presentation

Direct trauma to the top of the right shoulder.

Patient Data

Age: 30 years
Gender: Female
mri
This study is a stack
Coronal
T1
This study is a stack
Coronal PD
fat sat
This study is a stack
Sagittal
T1
This study is a stack
Sagittal
PD fat sat
This study is a stack
Axial PD
fat sat
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Info

Mildly displaced vertical fracture line with surrounding bone marrow oedema/bruise is seen through the acromial process middle third portion.

Low lying type II acromion also is noted.

The acromioclavicular joint is unremarkable.

Subacromial/subdeltoid bursal effusion is present.

Abnormal intrasubstance increased fluid signal and thickening is present along with the supraspinatus tendon fibres related to tendinosis.

The bifid biceps tendon is in the bicipital groove and has a normal appearance.

Case Discussion

Isolated acromial fracture without associated shoulder injuries rarely occurs and often associated with rotator cuff injury and impairment of shoulder function.

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