42-year-old woman with history of pain in the right deltoid muscle and a subcutaneous nodule noted on sonography. ROTATOR CUFF: There is a focal, full-thickness tear of the supraspinatus tendon (series 5, image 18) near its insertion without evidence of muscle atrophy or retraction. A small amount of subacromial/subdeltoid bursa fluid is noted. The infraspinatus, teres minor, and subscapularis are intact.SUPRASPINATUS OUTLET: No significant abnormality with a type II acromion.GLENOHUMERAL JOINT AND GLENOID LABRUM: Glenohumeral joint alignment is anatomic and no significant abnormality is noted. The labrum is grossly intact.BICEPS TENDON: The biceps tendon is situated within the bicipital groove without evidence of tear. ADDITIONAL
1.Nonspecific, ill-defined area of enhancement and T1/T2 signal abnormality within the subcutaneous soft tissues overlying the deltoid muscle. While this may represent an inflammatory process, neoplasm cannot be excluded, but there is no evidence of intramuscular involvement.2.Focal full-thickness tear of the supraspinatus tendon without retraction or muscle atrophy.