Follow-up of a 33-year-old male presenting with symptoms of hip impingement after alcohol-induced ONFH; panel a: preoperative radiograph showing cam deformity in right femoral head; panels b and c: preoperative CT scan showing extent and location of cam deformity in the femoral head; panel d: MRI of the hip joint done 1.8 years before the surgery confirming ONFH bilaterally; panel e: intraoperative image showing arthroscopy of the peripheral compartment of the hip joint using outside-in capsulotomy; panel f: intraoperative image of hip arthroscopy showing identification of the cam deformity; panel g: intraoperative image of hip arthroscopy showing resection of the cam deformity; panel h: intraoperative image of hip arthroscopy showing cam deformity in the anterolateral part of femoral neck; panel i: intraoperative image of hip arthroscopy after removal of the deformity; panel j: post-operative radiograph after removal of cam deformity; panels k and l: post-operative follow-up images showing restoration of hip range of motion.