Avascular Necrosis

Avascular necrosis 1

Avascular Necrosis Avascular necrosis is a disease that results from the temporary or permanent loss of blood supply to the bone. When blood supply is cut off, the bone tissue dies and the bone collapses. If avascular necrosis happens near a joint, the joint surface may collapse. This condition may happen in any bone. It […]

Protrusio Acetabulum

Protrusio Acetabulum Protrusio acetabuli is a rare anatomic pattern of the hip in which the femoral head protrudes into the true pelvis. Protrusio acetabuli (arthrokatadysis or Otto pelvis) is a relatively rare condition associated with secondary osteoarthritis of the hip. Radiographically, protrusio acetabuli is present when the medial aspect of the femoral head projects medial […]