Balloon on a string sign - IVU

In renal imaging, the balloon on a string sign refers to the appearance on IVU in ureteropelvic junction obstruction. It is seen due to the high and eccentric point of exit of ureter from a dilated renal pelvis. 

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Article Information

rID: 25544
System: Urogenital
Section: Signs
Tags: stub, cases, refs
Synonyms or Alternate Spellings:
  • Balloon on a string sign - renal

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