Preferred Label : yo-yo-on-a-string sign;
RADLEX synonyms : yo-yo sign;
Definition : Appearance of a displaced ulnar collateral ligament tear: it is retracted, is folded
on itself, and moves proximal to the adductor aponeurosis. The retracted balled-up
?yo-yo? is the torn displaced UCL, and the ?string? is the associated adductor aponeurosis.;
Source : RadioGraphics 2006; 26:1007-1020.;
Origin ID : RID35711;
Associated condition(s)
Appearance of a displaced ulnar collateral ligament tear: it is retracted, is folded
on itself, and moves proximal to the adductor aponeurosis. The retracted balled-up
?yo-yo? is the torn displaced UCL, and the ?string? is the associated adductor aponeurosis.
