Coracoid process fracture

Case contributed by Dr Maulik S Patel

Presentation

H/o road traffic accident. The radiograph and CT scan showed a coracoid process fracture. Referred to check rotator cuff integrity.

Patient Data

Age: 55 years
Gender: Male
Ultrasound

Fracture of the mid part of the coracoid process with 3 mm displacement.

The symptomatic supraspinatus and infraspinatus muscle bellies with fatty infiltration (increased echogenicity) and volume loss. The infraspinatus muscle is more affected. 

The asymptomatic supraspinatus and infraspinatus muscle bellies show a normal echo pattern.

Case Discussion

Fracture of the coracoid process with the intact rotator cuff. However, there is atrophy and fatty infiltration involving supra- and infraspinatus muscle bellies.

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