Outerbridge grade IV cartilage lesions in the hip identified at arthroscopy

The utilization of hip arthroscopy continues to increase in both volume and scope within clinical practice (1) and can be used as a diagnostic or therapeutic intervention. Established indications for hip arthroscopy include but are not limited to diagnosis or treatment of; acetabular labral injuries, femoroacetabular impingement (FAI), chondral lesions, synovial pathologies including rheumatoid arthritis and synovial chondromatosis, removal of loose bodies, ligamentum teres tears and extra-articular pathologies such as trochanteric bursitis, gluteus medius/minimus tears and psoas tendinopathy (2). Importantly the evidence base to guide many if not all of these indications remains to be elucidated.