Preferred Label : supinator notch sign;
Definition : Erosion of the ulna near the supinator groove produces a notch on a frontal or oblique
radiograph of the elbow. Suggests rheumatoid arthritis.;
Source : Eisenberg, Ronald L. Atlas of Signs in Radiology.;
Origin ID : RID35601;
Associated condition(s)
Erosion of the ulna near the supinator groove produces a notch on a frontal or oblique
radiograph of the elbow. Suggests rheumatoid arthritis.
