Protrusio acetabuli

Protrusio acetabuli is an uncommon defect of the acetabulum. The acetabulum is the socket that receives the femoral head to make the hip joint. [Source: Wikipedia ]

May Be Caused by

Common: Acetabular fracture; Hemochromatosis; Hemophilia; Hyperparathyroidism; Juvenile rheumatoid arthritis; Osteoarthritis; Osteomalacia; Osteoporosis; Otto pelvis; Paget disease of bone; Pre-pubertal normal variant; Renal osteodystrophy; Rickets; Trauma
Uncommon: Acrodysostosis; Alkaptonuria; Ankylosing spondylitis; Calcium pyrophosphate dihydrate crystal deposition disease; Cushing syndrome; Familial protrusio acetabuli; Fibrous dysplasia; Fracture; Gout; Hip surgery; Homocystinuria; Hydatid disease; Hyperphosphatasia; Idiopathic chondrolysis of the hip; Infectious arthritis; Juvenile chronic arthritis; Marfan syndrome; Medial dislocation of femoral component of total hip arthroplasty; Morquio syndrome; Mseleni joint disease; Mucopolysaccharidosis; Multicentric osteolysis; Multiple myeloma; Neoplasm; Neoplasm of acetabulum; Osteogenesis imperfecta; Oxalosis; Psoriatic arthritis; Radiation injury; Radiation therapy; Rheumatoid arthritis; Sickle cell disease; Spondyloarthritis; Stickler syndrome; Turner syndrome