What is the MRI in the workup of hydronephrosis and hydroureter?

Updated: Dec 16, 2020
  • Author: Dennis G Lusaya, MD; Chief Editor: Bradley Fields Schwartz, DO, FACS  more...
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Diffusion-weighted magnetic resonance imaging (MRI) may allow noninvasive detection of changes in renal perfusion and diffusion that occur during acute ureteral obstruction. [15] The advantage of this technique is that it does not require the use of contrast agents. However, the clinical utility of diffusion-weighted MRI has not been adequately tested.

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