Renal forniceal rupture

Dr Henry Knipe et al.

Renal forniceal or calyceal rupture is the radiographic finding of a perirenal urine leak as a result of ureteric obstruction.


The renal fornix is the most susceptible part of the renal collecting system to rupture from increased pressure 2,3


Causes include 1,2:

Radiographic features


On non-contrast CT, perinephric low-density fluid and fat stranding will be present. On delayed phase imaging contrast will accumulate outside of the collecting system forming an urinoma 2

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Article information

rID: 50301
System: Urogenital
Tag: cases
Synonyms or Alternate Spellings:
  • Renal calyceal rupture

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Cases and figures

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    Case 1: left sided from calculus
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    Case 2: urinoma seconday to calyceal rupture
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