Ring Sign, Tram-Tracking Sign, String of Pearls, and Cluster of Grapes




(1)
Department of Radiology, Russian National Research Medical University, Moscow, Russia

 



Abstract

These are the signs of bronchiectasia. In true bronchiectasia, the diameter of a bronchial lumen which is perpendicular to the tomogram plane exceeds the diameter of the adjacent pulmonary artery branch (↑) more than 1.5 times (the “signet ring

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Mar 17, 2016 | Posted by in COMPUTERIZED TOMOGRAPHY | Comments Off on Ring Sign, Tram-Tracking Sign, String of Pearls, and Cluster of Grapes

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