Reason: ? Full thickness tear of rotator cuff? History: pain ROTATOR CUFF: On the fluid sensitive sequences, there is mild increased signal intensity within the supraspinatus, infraspinatus, and teres minor muscles with sparing of the subscapularis muscle. Similarly, there is mild increased signal intensity within the anterior fibers of the deltoid and the trapezius with sparing of the posterior fibers of the deltoid as well as sparing of the teres major muscle. There is more focal increased signal intensity on fluid sensitive sequences within the distal fibers of the teres minor along the myotendinous junction which corresponds to fat signal intensity on T1-weighted images perhaps representing focal atrophy; while it is possible this teres minor signal abnormality could be due to a prior tear, this would be an unusual location for an isolated rotator cuff tear as we see no tear of the supraspinatus, infraspinatus, or subscapularis. We see no cyst or mass lesion within the spinoglenoid or suprascapular notch.SUPRASPINATUS OUTLET: There is mild increased signal intensity within the subdeltoid bursa along the lateral aspect of the humeral head containing tiny foci of low to intermediate signal intensity as well. This may represent mild inflammation of the bursa possibly with small calcium deposits which could be better evaluated with dedicated shoulder radiographs.GLENOHUMERAL JOINT AND GLENOID LABRUM: There is a trace amount of fluid within the glenohumeral joint but no large effusion. Given the limitations of a non arthrogram study, we see no fluid-filled labral tear.BICEPS TENDON: Given the limitations of a non arthrogram study, the long head of the biceps tendon appears intact. ADDITIONAL
1. Mild edema type signal involving several of the muscles of the shoulder as described above which is nonspecific, but could represent early denervation atrophy or Parsonage-Turner syndrome.2. Focal increased signal intensity along the myotendinous junction of the distal teres minor is suggestive of focal atrophy perhaps due to an old tear, although an isolated tear at this location would be unusual.3. Abnormal signal intensity within the subdeltoid bursa along the lateral aspect of the humeral head suggesting mild inflammation. Radiographs may be considered to evaluate for calcific bursitis.