Preferred Label : high-attenuating crescent sign;
Definition : Presence of a crescent-shaped rim of increased attenuation on non-contrast CT images
of the aorta. Suggests intramural aortic dissection, and may herald aortic rupture.;
Source : Radiology 1997; 204:765-768;
Origin ID : RID35271;
Associated condition(s)
Presence of a crescent-shaped rim of increased attenuation on non-contrast CT images
of the aorta. Suggests intramural aortic dissection, and may herald aortic rupture.
