Preferred Label : extrapleural air sign;
Definition : Air between parietal pleura and diaphragm beneath the dome of a hemidiaphragm on a
radiograph; does not redistribute with change in position. Suggests pneumomediastinum.;
Source : Eisenberg, Ronald L. Atlas of Signs in Radiology.;
Origin ID : RID35192;
Associated condition(s)
Air between parietal pleura and diaphragm beneath the dome of a hemidiaphragm on a
radiograph; does not redistribute with change in position. Suggests pneumomediastinum.