Preferred Label : balloon-on-a-string sign;
Definition : Retrograde ureteropyelograph resembles string attached to floating balloon; indicates
dilated renal pelvis and abnormal exit of ureter. Suggests ureteropelvic junction
obstruction.;
Source : RadioGraphics 2004;24:S247-S280;
Origin ID : RID35030;
Associated condition(s)
Retrograde ureteropyelograph resembles string attached to floating balloon; indicates
dilated renal pelvis and abnormal exit of ureter. Suggests ureteropelvic junction
obstruction.