Preferred Label : halo sign of duodenum;
Definition : Contrast-filled sac surrounded by lucent halo in duodenum on upper GI series. Suggests
intraluminal duodenal diverticulum.;
Source : Eisenberg, Ronald L. Atlas of Signs in Radiology.;
Origin ID : RID35257;
Associated condition(s)
Contrast-filled sac surrounded by lucent halo in duodenum on upper GI series. Suggests
intraluminal duodenal diverticulum.