What is the imaging study of choice in the evaluation of acute pyelonephritis?

Updated: Jul 01, 2021
  • Author: Tibor Fulop, MD, PhD, FACP, FASN; Chief Editor: Vecihi Batuman, MD, FASN  more...
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Contrast-enhanced helical/spiral computed tomography (CECT) is the imaging study of choice, both in adults and in children with acute pyelonephritis. CECT is more sensitive than ultrasonography and intravenous pyelography (which has only 25% sensitivity), and it can more readily identify alterations in kidney parenchymal perfusion, alterations in contrast excretion, perinephric fluid, and nonrenal disease.

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