ORTHOPAEDICS, SPORT MEDICINE
Abbreviation for Glenolabral articular disruption lesion
A lesion that consists of a superficial tear of the antero-inferior labrum with an adjacent articular cartilage injury. The injury ranges from a cartilaginous flap tear to osteochondral depression of the articular cartilage and underlying bone.
Clinical findings Patients present with persistent pain and erosion of the articular cartilage of the glenoid fossa not associated with anterior glenohumeral joint instability. The shoulder is stable to routine examination.
Mechanism Glenohumeral impaction with the arm in abduction and external rotation.