Preferred Label : floppy thumb sign;
Definition : Radial subluxation or dislocation of the interphalangeal joint of the thumb makes
the thumb appear floppy on a radiograph. Suggests dermatomyositis or polymyositis.;
Source : Eisenberg, Ronald L. Atlas of Signs in Radiology.;
Origin ID : RID35227;
Associated condition(s)
Radial subluxation or dislocation of the interphalangeal joint of the thumb makes
the thumb appear floppy on a radiograph. Suggests dermatomyositis or polymyositis.