No one is sure what causes the disease. Risk factors include: -- -- Long-term steroid treatment -- Alcohol abuse -- Joint injuries -- Having certain diseases, including arthritis and cancer -- Doctors use imaging tests and other tests to diagnose osteonecrosis. -- -- Treatments include medicines, using crutches, limiting activities that put weight on the affected joints, electrical stimulation and surgery.

HP:0010885

http://purl.bioontology.org/ontology/MEDLINEPLUS/C0029445, http://purl.obolibrary.org/obo/HP_0010885

http://purl.obolibrary.org/obo/HP_0010885

Sufficient

Avascular Bone Necrosis, Ischemic Bone Necrosis, Bone Infarcts, Bone Infarction, Bone Necrosis, Avascular Necrosis (AVN), AVN, Avascular Necrosis, Aseptic Bone Necrosis, Aseptic necrosis, Osteochondronecrosis

The interruption of the blood supply may have many different causes such as rapid growth, heredity causes, trauma or overuse, anatomic conformation, dietary imbalances or secondary effects of other diseases.

• Analgesic
• Surgery

• Sickle Cell Disease-S/HPFH
• Sickle Cell Disease-SE