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Pectoralis major tear

Case contributed by Bahman Rasuli
Diagnosis probable

Presentation

Shoulder pain and immobility after wrestling.

Patient Data

Age: 35 years
Gender: Male
mri

Hill-Sachs lesion as the bony impression and subchondral bone marrow edema is seen at the posterolateral humeral head.

Bankart lesion as an abnormal increased signal is present at the anterior glenoid labrum.

There is also abnormal increased signal and fibers discontinuity is seen along the course of the subscapularis tendon related to the partial tearing.

Long head of the biceps tendon is medially subluxated and show intrasubstance abnormal increased signal related to tendinosis.

All of the findings are seen on the background of anterior shoulder dislocation.

Abnormal increased fluid signal and fibers discontinuity are present at the insertion site of pectoralis major muscle on to humerus bone related to muscle tear.

Capsular hypertrophy is present along with the acromioclavicular joint. Low lying type II acromion also is noted.

Case Discussion

Recent patient referred with the history of shoulder pain. Imaging findings revealed pectoralis major muscle tear on the background of an anterior shoulder dislocation.

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