From the case:
Acromial spur - heel-type
{"current_user":null,"step_through_annotations":true,"access":{"can_edit":false,"can_download":true,"can_toggle_annotations":true,"can_feature":false,"can_examine_pipeline_reports":false,"can_pin":false},"extraPropsURL":"/studies/123288/annotated_viewer_json?_c=1669030582\u0026lang=us"}
Quadrangular-shaped inferiorly projecting spur arising from the undersurface of the lateral acromion reducing the acromiohumeral interval.
Case Discussion
Acromial spurs are associated with subacromial impingement syndrome and rotator cuff tears.