54-year-old female with left shoulder pain, posterior; possible rotator cuff tear. ROTATOR CUFF: There is increased signal intensity within the anterior fibers of the supraspinatus tendon at its insertion on the greater tuberosity indicating insertional tendinosis with cyst formation in the underlying bone. There is also increased signal intensity along the undersurface of the supraspinatus tendon likely representing fraying/degenerative tearing that is contiguous with additional intrasubstance degeneration more posteriorly in the tendon, but I see no fluid-filled full-thickness rotator cuff tear. There is perhaps mild fatty infiltration along the myotendinous junction of the supraspinatus, but the muscle otherwise appears normal. There is also mild fatty infiltration along the myotendinous junction of the infraspinatus, but the infraspinatus muscle and tendon otherwise appear normal. The teres minor muscle and tendon appear normal. There is mild insertional tendinosis of the subscapularis, but otherwise the muscle and tendon appear normal. A couple of small lobular foci of fluid signal intensity are noted along the superficial margin of the subscapularis tendon, perhaps representing small ganglia.SUPRASPINATUS OUTLET: There is an os acromiale, a normal variant. Mild osteoarthritis affects the acromioclavicular joint. There is trace fluid in the subacromial/subdeltoid bursa, of questionable significance.GLENOHUMERAL JOINT AND GLENOID LABRUM: Glenohumeral joint alignment is within normal limits, and there is no joint effusion. Given the limitations of a non-arthrogram study, I see no labral tear. There is perhaps minimal degeneration of the articular cartilage of the glenohumeral joint.BICEPS TENDON: Given the limitations of a non-arthrogram study, the tendon of long head of the biceps appears normal.
1.Tendinosis and undersurface fraying/degenerative tearing of the supraspinatus, without a full-thickness fluid-filled tear. Other findings as described above.