Preferred Label : apical cap;
RADLEX synonyms : apical cap sign;
Definition : Localized pleural thickening or fluid at lung apex. Originally described on frontal
chest radiograph; in setting of trauma, suggests hemothorax from ruptured aorta.;
Source : Eisenberg, Ronald L. Atlas of Signs in Radiology. Fleischner Society;
Origin ID : RID35016;
Associated condition(s)
Automatic exact mappings (from CISMeF team)
Localized pleural thickening or fluid at lung apex. Originally described on frontal
chest radiograph; in setting of trauma, suggests hemothorax from ruptured aorta.