29-year-old female with right shoulder pain. ROTATOR CUFF: The supraspinatus and infraspinatus muscles and tendons appear intact. The subscapularis and teres minor muscles and tendons appear intact.SUPRASPINATUS OUTLET: There is increased signal abnormality and fluid sensitive sequences within the acromioclavicular joint with associated erosion/osteolysis of the distal clavicle. There is bone marrow signal abnormality within the distal clavicle.GLENOHUMERAL JOINT AND GLENOID LABRUM: The glenohumeral joint alignment is anatomic. There is a linear focus of increased signal abnormality traversing the anterior superior glenoid labrum at the 1 o'clock position extending to the 3 o'clock position consistent with a normal variant sublabral foramen.BICEPS TENDON: The tendon of long head of the biceps appears intact. ADDITIONAL
Erosion/osteolysis of the distal clavicle is nonspecific. Differential considerations include rheumatoid arthritis, hyperparathyroidism, post traumatic osteolysis.