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Pyelonephritis MRI

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Usama Talib, BSc, MD [2]

Overview

MRI is sometimes used to diagnose complicated pyelonephritis. It is the preferred modality for diagnosing complicated pyelonephritis when the patient is allergic to iodinated contrast material. A comprehensive idea of the extent of damage to the kidneys can be estimated with an MRI.

MRI

In a patient with pyelonephritis the MRI may demonstrate stag horn calculi.[1][2][3]

Xanthogranulomatous Pyelonephritis. Source: Radiopedia[3]
Xanthogranulomatous Pyelonephritis. Source:Radiopedia[3]


References

  1. Gupta K, Hooton TM, Naber KG, Wullt B, Colgan R, Miller LG; et al. (2011). “International clinical practice guidelines for the treatment of acute uncomplicated cystitis and pyelonephritis in women: A 2010 update by the Infectious Diseases Society of America and the European Society for Microbiology and Infectious Diseases”. Clin Infect Dis. 52 (5): e103–20. doi:10.1093/cid/ciq257. PMID 21292654.
  2. Kawashima A, LeRoy AJ (2003). “Radiologic evaluation of patients with renal infections”. Infect Dis Clin North Am. 17 (2): 433–56. PMID 12848478.
  3. 3.0 3.1 3.2 Radiopaedia.org. Case courtesy of A.Prof Frank Gaillard, <a href=”https://radiopaedia.org/“>Radiopaedia.org</a>. From the case <a href=”https://radiopaedia.org/cases/9931“>rID: 9931

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