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ring enhancement |
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ring enhancement Imaging A CT finding in the brain consisting of a radiolucent zone surrounded by a faint radiodense rim, in turn is surrounded by a 2nd radiolucent zone outside of the rim, where the rings correspond to regional
edema, hypervascularity and hypercellularity with early ingrowth of fibroblasts; RE is a nonspecific finding typically linked to early cerebral abscesses DIffDx Brain tumors–eg, cystic astrocytoma, or metastases with central necrosis; IV
contrast material may be used to enhance faint radiodense 'rings' How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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