Preferred Label : snake head sign;
Definition : Round dilated section of bowel next to an obstruction with proximal constriction resembles
the head and neck of a snake. Produced by peristaltic contractions attempting to push
contents through mechanical obstruction.;
Source : Eisenberg, Ronald L. Atlas of Signs in Radiology.;
Origin ID : RID35554;
Associated condition(s)
Round dilated section of bowel next to an obstruction with proximal constriction resembles
the head and neck of a snake. Produced by peristaltic contractions attempting to push
contents through mechanical obstruction.
