Preferred Label : thorn sign;
Definition : Minor fissure is thickened laterally but tapers medially, resembling a thorn on a
frontal radiograph. Suggests right-sided pleural effusion.;
Source : Eisenberg, Ronald L. Atlas of Signs in Radiology.;
Origin ID : RID35631;
Associated condition(s)
Minor fissure is thickened laterally but tapers medially, resembling a thorn on a
frontal radiograph. Suggests right-sided pleural effusion.
