52 year-old woman with history of fall and shoulder injury one month ago, now with weakness and pain. ROTATOR CUFF: There is thickening of the supraspinatus tendon with mildly increased signal intensity, however there is no discrete tear. The muscle body of the supraspinatus a small, however there is no evidence of frank atrophy. The subscapularis, infraspinatus, and teres minor tendons and muscles are intact.SUPRASPINATUS OUTLET: There is moderate acromioclavicular joint osteoarthritis. A small amount of fluid is noted in the subacromial/subdeltoid bursa.GLENOHUMERAL JOINT AND GLENOID LABRUM: There are large subchondral cysts at the insertion of the supraspinatus tendon. The remainder of the cortical and marrow signal appears normal. Glenohumeral joint alignment is within normal limits. The glenoid labrum, within the limitations of this non-arthrogram study, appears intact.BICEPS TENDON: There is a small amount of fluid in the biceps tendon sheath, but the biceps tendon is intact.ADDITIONAL
Supraspinatus tendinopathy with large subchondral cysts in the humeral head but no frank tear.