Ischemic necrosis

Pronunciation

Definition 1

A condition in which there is a loss of blood flow to bone tissue, which causes the bone to die. It is most common in the hips, knees, shoulders, and ankles. It may be caused by long-term use of steroid medicines, alcohol abuse, joint injuries, and certain diseases, such as cancer and arthritis. It may also occur at some point in time after cancer treatment that included methotrexate, bisphosphonates, or corticosteroids. Also called aseptic necrosis, avascular necrosis, and osteonecrosis. (NCI Dictionary)

Definition 2

Loss of vascularization and tissue death caused by the disruption in the arterial access. Common causes include trauma due to accidents, insect or reptile bites, severe cold exposure or pathological conditions such as infarctions or blood dyscrasias. (NCI Thesaurus)

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