Here is a large superolateral humeral head erosion and synovial thickening and joint effusion. Is this a Hill-Sachs Lesion? Hill-Sachs lesions are strongly associated with anteroinferior glenoid fracture, anteroinferior glenoid labrum tear (Bankart lesion), and joint capsular injury. However, there are several common non-traumatic bones and joint diseases that rarely mimic Hill-Sachs lesions. An..