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  • Title: MRI of osteonecrosis.
    Author: Saini A, Saifuddin A.
    Journal: Clin Radiol; 2004 Dec; 59(12):1079-93. PubMed ID: 15556590.
    Abstract:
    Osteonecrosis is a relatively common condition, which may be idiopathic or secondary to a variety of clinical situations. It may involve the subarticular region of a joint, when it is commonly referred to as ischaemic necrosis, or the metaphyseal regions of long bones, when it is referred to as bone infarction. In both situations, early lesions may be radiographically occult. However, magnetic resonance imaging (MRI) is very sensitive in identifying and characterizing osteonecrosis. This review illustrates the varied MRI features of osteonecrosis that enable a confident diagnosis to be made. Complications and differential diagnosis are also considered.
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