US posterior glenohumeral joint with osteoarthritis

Ultrasound (US) image of an osteoarthritic posterior glenohumeral joint demonstrating synovial hypertrophy (star), labral irregularities (GL), and hypertrophic osseous changes (arrows).

Deltoid: deltoid muscle; IS: infraspinatus muscle; Glenoid: glenoid rim of the scapula bone; Humerus: humerus bone.
Left: lateral; Right: medial; Bottom of screen: deep; Top of screen: superficial.

Graphic 99423 Version 2.0