Preferred Label : tracheal overlap sign;
Definition : Parathyroid gland is opacified and overlies the trachea on an arteriogram. Suggests
parathyroid adenoma located in the posterior superior mediastinum rather than the
neck.;
Source : Eisenberg, Ronald L. Atlas of Signs in Radiology.;
Origin ID : RID35645;
Associated condition(s)
Parathyroid gland is opacified and overlies the trachea on an arteriogram. Suggests
parathyroid adenoma located in the posterior superior mediastinum rather than the
neck.