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CT and MRI of small renal masses

Zhen J Wang1, Antonio C Westphalen1, Ronald J Zagoria1

  • 11 Department of Radiology and Biomedical Imaging, University of California San Francisco , San Francisco, CA , USA.

The British Journal of Radiology
|April 19, 2018
PubMed

Insights

Imaging helps characterize small renal masses, distinguishing benign from aggressive tumors. This review covers imaging features using CT and MRI to aid diagnosis and management of these common findings.

Area of Science:

  • Radiology
  • Oncology
  • Pathology

Background:

  • Small renal masses are frequently discovered incidentally during medical imaging.
  • These masses encompass a spectrum from benign tumors to aggressive renal cell carcinomas.
  • Accurate characterization is crucial for appropriate patient management.

Purpose of the Study:

  • To review current evidence on imaging features correlating with the biology of small solid renal masses.
  • To discuss imaging characterization approaches using computed tomography (CT) and magnetic resonance imaging (MRI).

Main Methods:

  • Review of current scientific literature on imaging of small renal masses.
  • Analysis of imaging features on CT and MRI.
  • Correlation of imaging findings with tumor histology and aggressiveness.

Main Results:

  • Imaging features can predict the nature and aggressiveness of small renal masses.
  • CT and MRI provide valuable information for characterizing indeterminate masses.
  • Certain imaging patterns are associated with specific renal tumor types.

Conclusions:

  • Imaging is essential for characterizing small renal masses, guiding clinical decisions.
  • CT and MRI play a vital role in differentiating benign from malignant and indolent from aggressive renal tumors.
  • Further research can refine imaging criteria for improved diagnostic accuracy.

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