Preferred Label : V sign of chest;
RADLEX synonyms : V sign of lung;
Definition : Two dense lines intersect near the costophrenic angle forming a V shape directed laterally
on a frontal radiograph. Suggests pneumothorax; beam hits air-fluid interfaces in
anterior and posterior pleural spaces at different angles.;
Source : Eisenberg, Ronald L. Atlas of Signs in Radiology.;
Origin ID : RID35676;
Associated condition(s)
Two dense lines intersect near the costophrenic angle forming a V shape directed laterally
on a frontal radiograph. Suggests pneumothorax; beam hits air-fluid interfaces in
anterior and posterior pleural spaces at different angles.
