Intramuscular cyst secondary to rotator cuff tear

Case contributed by Dr Maulik S Patel

Presentation

Right shoulder pain for the last few years. Worsening during the last few months. Right dominant arm. No trauma.

Patient Data

Age: 40 years
Gender: Female

There is a fluid cleft extending from the articular surface of the supraspinatus tendon to the myotendinous junction of the supraspinatus muscle where it forms an anechoic cyst. The rest of the supraspinatus tendon shows mild thickening with few areas of loss of normal echopattern. The subscapularis and infraspinatus tendons are normal. The biceps long head tendon is normal in position and echopattern. There is no subdeltoid-subacromial bursal effusion or glenohumeral joint effusion. There is no lesion in the spinoglenoid notch region.

Case Discussion

The case shows an intramuscular cyst of the supraspinatus with an articular side partial thickness tear of the supraspinatus tendon.

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Case information

rID: 89549
Published: 15th May 2021
Last edited: 19th May 2021
Inclusion in quiz mode: Included

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