This document discusses fractures of the acetabulum, or hip socket. It describes the different patterns of acetabular fractures including anterior wall, anterior column, posterior wall, posterior column, and transverse column fractures. Emergency treatment involves reducing dislocations and applying skeletal traction. Non-operative treatments include walking aids, positioning aids, and medications. Operative treatments include open reduction and internal fixation or total hip replacement, performed a few days later once the patient is stable. Complications can include iliofemoral venous thrombosis, sciatic nerve injury, heterotopic bone formation, avascular necrosis, and secondary osteoarthritis.