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Radiology, Vol 135, 763-764, Copyright © 1980 by Radiological Society of North America

ARTICLES

The "twinkling star" sign: an aid in differentiating pulmonary vessels from pulmonary nodules on computed tomograms

LR Kuhns and G Borlaza

Radial linear artifacts are visualized on computed tomographic (CT) images of pulmonary vessels, whereas pulmonary nodules are usually not associated with these artifacts. In vitro evidence indicates that pulsation of an object of relatively high density compared to surrounding structures enhances production of these artifacts.


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