Preferred Label : trough line sign;
Definition : A vertical line parallel to the articular surface of the humeral head visible on frontal
radiograph. Suggests compression fracture and posterior shoulder dislocation.;
Source : Radiology 2002; 224:485-486;
Origin ID : RID35660;
Associated condition(s)
A vertical line parallel to the articular surface of the humeral head visible on frontal
radiograph. Suggests compression fracture and posterior shoulder dislocation.