Preferred Label : pericardial line sign;
Definition : Thin line extending downard from the pericardial reflection of the great vessels with
lucency on either side on a frontal radiograph of a neonate. Suggests combined pneumopericardium
and pneumomediastinum.;
Source : Eisenberg, Ronald L. Atlas of Signs in Radiology.;
Origin ID : RID35432;
Associated condition(s)
Thin line extending downard from the pericardial reflection of the great vessels with
lucency on either side on a frontal radiograph of a neonate. Suggests combined pneumopericardium
and pneumomediastinum.
