Male 78 years old with metastatic melanoma and multiple osseous metastasis presenting with left shoulder weakness and pain. Concern for metastatic invasion, rotator cuff pathology, steroid induced myopathy. ROTATOR CUFF: There is tendinopathy of the supraspinatus tendon and a partial-thickness articular surface tear of the supraspinatus tendon at its insertion. The infraspinatus, teres minor, and subscapularis tendons are intact. There is mild fatty atrophy of the rotator cuff musculature.SUPRASPINATUS OUTLET: Cystic changes at the acromioclavicular joint indicate moderate osteoarthritis.GLENOHUMERAL JOINT AND GLENOID LABRUM: The glenoid labrum is grossly intact on this nonarthrogram exam. No full-thickness cartilage defects are identified.BICEPS TENDON: The tendon of the long head of the biceps is normally located within its groove and is normal in appearance. ADDITIONAL
Partial thickness tear of the supraspinatus tendon at its insertion and other findings as described above.