Kidney sweat sign

The kidney sweat sign applies to the presence of thin, hypoechoic, extracapsular fluid collections around kidneys in renal failure patients. This fluid is assumed to represent perirenal oedema. It can be appreciated on ultrasound, CT and MR imaging. 

Differential diagnosis

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Article information

rID: 25555
System: Urogenital
Section: Signs
Tags: refs, stub
Synonyms or Alternate Spellings:
  • Sweating kidney sign

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