Avascular Necrosis

Noun: Death of bone owing to deficient blood supply, usually following an injury but it can also occur in cases of severe anaemia.
Found on http://www.encyclo.co.uk/local/20555

Avascular necrosis

Bone which has been deprived of its blood supply dies. In the absence of sepsis, this is called avascular necrosis (aseptic necrosis). The dead bone retains its normal strength until the natural process of revascularisation by “creeping substitution
Found on http://www.encyclo.co.uk/local/20605

Avascular necrosis

Loss of blood supply to the bone. The bone tissue dies making the bone weak and more likely to collapse. Avascular necrosis can be a side effect of long term or high dose steroid treatment. It happens most often in the hip bones.
Found on http://www.cancerhelp.org.uk/utilities/glossary/index.htm

Avascular necrosis

Death of bone tissue due to interruption to its blood supply. E.g. Perthes disease (affecting ball of hip joint)
Found on http://www.dwp.gov.uk/medical/med_conditions/glossary.html

Avascular necrosis

The loss of the normal blood supply to a bone, leading to the destruction of part or all of The effected bone. In the foot and ankle most common in the talus and second metatarsal head
Found on http://www.thefootandankleclinic.com/glossary.htm

Avascular necrosis

Death of bone or tissue through interruption of blood supply.
Found on http://www.gadsbywicks.co.uk/uploaded/3822.pdf

Avascular necrosis

Avascular necrosis: (AVN) A condition in which the poor blood supply to an area of bone leads to bone death. The head of the femur is often the site of AVN. Also called avascular necrosis and osteonecrosis.
Found on http://www.medterms.com/script/main/art.asp?articlekey=2408

avascular necrosis

<radiology> Aetiology (PLASTIC RAGS): P pancreatitis, L lupus, A alcohol, S steroids, T trauma, I idiopathic, infection, C caisson disease, collagen vascular disease, R radiation, rheumatoid arthritis, A amyloid, G Gaucher disease, S sickle cell disease findings: sclerosis, crescent sign, collapse (e.g., of femoral head) see also: staging ......
Found on http://www.encyclo.co.uk/local/20973

avascular necrosis

Type: Term Definitions: 1. necrosis resulting from deficient blood supply.
Found on http://www.medilexicon.com/medicaldictionary.php?t=58961

Avascular Necrosis

Avascular necrosis, sometimes known as Osteonecrosis, is a progressive condition that results in the death of bone tissue due to a temporary or permanent loss of blood supply. This condition can cause multiple breaks in a person's bone, thus causing it to collapse. It especially affects the upper part of the femur or the joints. The condition occur...
Found on http://www.spine-health.com/glossary/a/avascular-necrosis

Avascular necrosis

Avascular necrosis (also osteonecrosis, bone infarction, aseptic necrosis, ischemic bone necrosis, and AVN) is a disease where there is cellular death (necrosis) of bone components due to interruption of the blood supply. Without blood, the bone tissue dies and the bone collapses. If avascular necrosis involves the bones of a joint, it often leads...
Found on http://en.wikipedia.org/wiki/Avascular_necrosis
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