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Kidney CT Appearances

 

 


Kidney Stone Disease CT Findings

  • Over 99% of renal stones contain calcium
  • Variable in size
  • Visible on CT as bright “dots” usually over 100HU
  • Can appear from the calyx to the bladder but symptoms occur when it reaches the ureter
  • Accompanied by asymmetric kidney size and dilation of proximal ureter if long standing

Kidney Stone Disease CT Findings

Other Information About Kidney Stone Disease

Etiology:

  • Diet is mostly responsible for kidney stones
  • Not enough water intake
  • More common during summer months

Epidemiology:

  • More common in males
  • Most common during the 4th and 5th decades of life

Presentation:

  • Abdominal pain
  • Hematuria
  • Nausea
  • Vomiting
  • Fever
  • Chills

Prognosis:

  • Most kidney stones pass on their own
  • Kidney stones are benign

Related Pearls: Renal Stone Disease

Related Lectures:
CT Evaluation of Hematuria: A Practical Approach Part 1
CT of the Acute Abdomen: GU Applications Part 1
CT Evaluation of Hematuria: A Practical Approach - Part 1
Abdominal Pain in the ED: GU Pathology - Part 1

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