Preferred Label : thumb sign;
Definition : Thickened epiglottis and aryepiglottic folds with obliteration of the pyriform sinuses
and valleculae on a lateral radiograph, resembling the shape and size of a thumb.
Suggests acute epiglottitis.;
Source : Eisenberg, Ronald L. Atlas of Signs in Radiology.;
Origin ID : RID35635;
Associated condition(s)
Thickened epiglottis and aryepiglottic folds with obliteration of the pyriform sinuses
and valleculae on a lateral radiograph, resembling the shape and size of a thumb.
Suggests acute epiglottitis.
