Geyser sign of the shoulder

Case contributed by Dr C. Igler


Chronic shoulder pain. Tumor above the acromioclavicular joint.

Patient Data

Age: 80 years
Gender: Female

Chronic full thickness defect of the supraspinatus and infraspinatus tendon with rotator cuff arthropathy.

Degeneration of the acromioclavicular joint with large amount of glenohumeral joint fluid "erupting" superiorly through the acromioclavicular interval into the subdeltoid bursa.

Case Discussion

The geyser sign is a subcutaneous pseudotumor above the acromioclavicular (AC) joint.

Synovial fluid escapes through a chronic full-thickness tear of the rotator cuff. The joint fluid "erupts" superiorly through a degenerated AC joint into the subdeltoid bursa.

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Case information

rID: 53907
Published: 13th Jun 2017
Last edited: 14th Aug 2019
Inclusion in quiz mode: Included

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