Preferred Label : ring-around-the-artery sign;
Definition : A radiolucent ring around the right pulmonary artery on lateral chest x-ray, suggesting
pneumomediastinum.;
Source : Radiology 2006; 241:943-944;
Origin ID : RID35499;
Associated condition(s)
A radiolucent ring around the right pulmonary artery on lateral chest x-ray, suggesting
pneumomediastinum.