> Orthopedic Conditions> Osteonecrosis

Hip Osteonecrosis
Hip osteonecrosis is a problem that can cause pain of the hip joint. Hip osteonecrosis, also called avascular necrosis, causes a disruption in the blood supply to the bone around the hip. Without blood coming to the bone, hip osteonecrosis sets in, and the bone around the hip can collapse.

Osteonecrosis or Avascular Necrosis
This is a good beginning guide to avascular necrosis, osteonecrosis, from the Medical College of Wisconsin. This includes discussion of diagnosis and treatment of avascular necrosis.

Osteonecrosis Answers
Osteonecrosis, also known as avascular necrosis, is a disease resulting from the temporary or permanent loss of the blood supply to the bones. This FAQ answers questions about osteonecrosis and explains treatment options.

Osteonecrosis Support Group
A support resource for patients to connect with other patients to discuss osteonecrosis, what treatments are available, and how to manage problems associated with osteonecrosis.

Center for Osteonecrosis Research
CORE is a division of the Johns Hopkins Department of Orthopaedic Surgery, and contains information on osteonecrosis research projects.

Legg-Calve-Perthes’ Disease
Perthes' disease is osteonecrosis of the hip joint in a child or adolescent. Special treatment considerations are made if this type of osteonecrosis is diagnosed.