google ads

Kidney CT Appearances

 

 


Medullary Sponge Kidney CT Findings

  • Contrast collections associated with urolithiasis or medullary calcinosis
  • Paintbrush-like appearance of multiple discrete linear densities (2-3mm in diameter) in the pyramid
  • Should not be confused with indistinct normal papillary “blush” due to normal concentration of contrast
  • Associated with stone disease, hematuria
  • Can involve only one, a few, or all of the calyces
  • Bilateral in 60-80% of cases

Medullary Sponge Kidney CT Findings

Other Information About Medullary Sponge Kidney

Etiology:

  • Unknown

Epidemiology:

  • More common in females

Presentation:

  • Asymptomatic

Prognosis:

  • Medullary Sponge Kidney is benign but can lead to urinary and renal issues

Related Pearls: Medullary Sponge Kidney

Related Lectures:
CT of Calyceal Abnormalities in the Kidney: Pearls and Pitfalls - Part 1

Privacy Policy

Copyright © 2024 The Johns Hopkins University, The Johns Hopkins Hospital, and The Johns Hopkins Health System Corporation. All rights reserved.