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Target Sign |
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Target Sign A cross sectional appearance of the large intestine—enhanced mucosa and serosa and lucent central submucosa—caused by oedema or inflammation of bowel wall
target sign GI imaging A smoothly-contoured radiopacity with both central and peripheral radiolucency, which may be seen in pedunculated colonic polyps, when viewed en face by double contrast–air-contrast barium studies; an
'eccentric' target sign is seen in GI diverticuli where a small amount of radiocontrast enters the pouch and is surrounded by the radiopaque body of a diverticulum Lung imaging A circumscribed pulmonary aspergilloma or focus of
necrotizing bronchopneumonia seen in a plain CXR. Cf Coin lesion. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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