Presentation
Left shoulder pain. No trauma.
Patient Data
Well-defined echogenic focus (14 x 13 x 6 mm) without acoustic shadowing involving the supraspinatus tendon - calcification. Extra-tendinous extension of the calcification deep to the subacromial-subdeltoid bursa. The rest of the rotator cuff tendons are normal. Minimal effusion of the subacromial-subdeltoid bursa. Normal muscle bellies of the supraspinatus and infraspinatus muscles. No glenohumeral joint effusion.
Diagram aligned to the long axis of the supraspinatus tendon. Extra-tendinous calcification extension elevates the subacromial-subdeltoid bursal effusion.
Case Discussion
The patient developed atraumatic origin of moderate shoulder pain, which gradually declined over a few days. The ultrasound shows supraspinatus calcific tendinitis with subbursal extension of the tendon calcification.
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