Osteonecrosis (Avascular Necrosis) Symptoms & Causes | NIAMS
Overview of Osteonecrosis. The bones of the human body are made up of living cells that need a blood supply to stay healthy. In osteonecrosis, blood flow to part of a bone is disrupted. This results in death of bone tissue, and the bone can eventually break down and the joint will collapse. Osteonecrosis is also called: Avascular necrosis.
Osteonecrosis: Diagnosis, Treatment, and Steps to Take
An MRI is a highly sensitive tool for visualizing bones and joints and can detect early signs of osteonecrosis before they are seen on an x-ray. An MRI may even pick up signs of osteonecrosis before you experience symptoms. MRIs can help provide your doctor with information on the degree of bone damage and the overall structure of the joint.
Osteonecrosis Basics: Overview, Symptoms, and Causes
In osteonecrosis, blood flow to part of a bone is reduced. This causes death of bone tissue, and the bone can eventually break down and the joint will collapse. Osteonecrosis can happen to any bone, but most often it develops in the ends of long bones, such as the:
Osteonecrosis Basics: Diagnosis, Treatment, and Steps to Take
Living with osteonecrosis. Having a painful disease like osteonecrosis can be hard, but you can do the following to help cope with the disease: Talk to your doctor about the types of exercises that are best for you, as well as activities or exercises you should avoid. Care for your joints by using cold packs to ease swelling and numb pain.
Osteonecrosis: Research & Resources - National Institute of …
The underlying causes of osteonecrosis are not known, but genetics may play a role. Some studies are aimed at uncovering genetic factors that confer a higher risk of the disease. If found, these genetic factors could help physicians identify high-risk individuals that need to be closely monitored for signs of the disease.
Osteonecrosis | Temas de salud | NIAMS
En la osteonecrosis, se reduce el flujo de la sangre a una parte de un hueso. Esto podría causar la muerte del tejido óseo y, finalmente, el hueso podría romperse y se podría colapsar la articulación. La osteonecrosis puede afectar a cualquier hueso, pero la mayoría de las veces se desarrolla en los extremos de los huesos largos, como:
Osteonecrosis | Temas de salud | NIAMS
Although doctors can usually diagnosis osteonecrosis without a CT scan, it may be useful in determining the extent of bone damage. Bone Scan. A bone scan is a form of imaging that is used in patients who have normal X-rays and no risk factors for osteonecrosis. A bone scan can detect all bones and joints in the body that are affected by ...
Osteonecrosis | Temas de salud | NIAMS
Cómo adaptarse a la osteonecrosis. Tener una enfermedad dolorosa como la osteonecrosis puede ser difícil, pero usted puede hacer lo siguiente para sobrellevar la enfermedad: Pregúntele al médico qué tipos de ejercicios son los mejores para usted, así como qué actividades o ejercicios debe evitar.
Osteonecrosis | Temas de salud | NIAMS
There is research underway to help people with osteonecrosis. Research hope to better understand: How many people have osteonecrosis. Risk factors for osteonecrosis. Why steroids cause osteonecrosis. The role of genes. How to diagnose the disease early. Better treatments for osteonecrosis. Ways to improve hip replacement.
Osteoporosis Causes & Symptoms | NIAMS
Osteoporosis is a bone disease that develops when bone mineral density and bone mass decreases, or when the structure and strength of bone changes.