Geyser sign

Case contributed by Dr Maulik S Patel

Presentation

Left shoulder pain for 2-3 wks.

Patient Data

Age: about 75 yrs
Modality: Ultrasound

Long head biceps tendon: intact.

Subscapularis tendon: thinning with fluid cleft within.

Supraspinatus and infraspinatus tendons: not visualized.

Supraspinatus and infraspinatus muscle bellies: volume loss and fatty infiltration.

Glenohumeral joint: effusion.

Subacromial-subdeltoid bursa: effusion.

Acromioclavicular joint: Leak of fluid into subcutaneous tissues through tear of ligament. Local hypervascularity.

Case Discussion

Complete tear of the supraspinatus and infraspinatus tendons leads to proximal migration of the humeral head due to pull by the deltoid muscle. The humeral head strikes the undersurface of the acromion, acromioclavicular (AC) joint. This intially tears the inferior acromioclavicular ligament and later tears the superior ligament. Glenohumeral joint fluid escapes through AC joint and reaches the subcutaneous tissues overlying AC joint.

This is known as Geyser sign.

Check out a similar case no - 27386

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Case Information

rID: 37595
Case created: 15th Jun 2015
Last edited: 24th Nov 2015
Inclusion in quiz mode: Included

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