Preferred Label : hook sign;
Definition : Retrograde flow stops and colon recoils on a barium enema of a newborn. Suggests type
3 congenital colic atresia; mesentary defect allows free proximal end of distal colic
segment to recoil, creating the hook.;
Source : Eisenberg, Ronald L. Atlas of Signs in Radiology.;
Origin ID : RID35281;
Associated condition(s)
Retrograde flow stops and colon recoils on a barium enema of a newborn. Suggests type
3 congenital colic atresia; mesentary defect allows free proximal end of distal colic
segment to recoil, creating the hook.