Male, 27 years old. Shoulder pain with overhead sports for 3 years, unresponsive to PT. ROTATOR CUFF: There is a partial-thickness articular surface tear of the posterior supraspinatus tendon near its insertion. The tear involves approximately 50% of the tendon thickness and measures 5 mm in AP diameter. There is no significant tendon fiber retraction. The remainder of the supraspinous tendon and the muscle appear normal. The infraspinatus, teres minor, and subscapularis tendons and muscles appear normal.SUPRASPINATUS OUTLET: The acromioclavicular joint appears normal. There is no significant fluid in the subacromial/subdeltoid bursa.GLENOHUMERAL JOINT AND GLENOID LABRUM: The glenoid labrum appears normal. There is a subchondral cyst along the posterior superior aspect of the humeral head.BICEPS TENDON: The tendon of the long head of biceps is normal in course and morphology. ADDITIONAL
1.Partial-thickness tear of the posterior supraspinatus tendon and a subchondral cyst posteriorly in the humeral head. These two findings in this throwing athlete are consistent with internal impingement.2.Normal appearance of the glenoid labrum.