Subcoracoid impingement

Case contributed by Dr Ahmed Abd Rabou

Presentation

Left shoulder pain following trauma

Patient Data

Age: 25 years old
Gender: Male
Modality: MRI

Narrow coracohumeral distance measures 6.5 mm (Normal > 10 mm).
The subscapularis tendon is thickened and displays abnormal intrasubstance bright signal in T2WI most likely partial tear. Mild amount of fluid surrounding the tendon of long head of biceps muscle (tendinitis).

Case Discussion

The findings in this case are consistent with subcoracoid impingement.

This occurs when the subscapularis tendon impinges between the coracoid and lesser tuberosity of the humerus.  

The normal coracohumeral distance measures > 10 mm in asymptomatic patients.

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Case Information

rID: 22581
Case created: 8th Apr 2013
Last edited: 3rd Dec 2015
Tags: shoulder, mri
Inclusion in quiz mode: Included

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