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How Fast Can We Go: Abbreviated Prostate MR Protocols

Neha Udayakumar1, Kristin K Porter2

  • 1University of Alabama at Birmingham School of Medicine, 1720 2nd Ave S, Birmingham, AL, 35249, USA.

Current Urology Reports
|November 2, 2020
PubMed
Abstract

Insights

Abbreviated MRI protocols offer a faster, more affordable way to screen for prostate cancer (PCa). These modified multiparametric MRI (mpMRI) techniques maintain diagnostic accuracy while reducing scan time and cost.

Area of Science:

  • Radiology and Imaging Science
  • Oncology Diagnostics
  • Medical Technology Innovation

Background:

  • Multiparametric MRI (mpMRI) is effective for prostate cancer (PCa) detection.
  • Current mpMRI protocols (T2WI, DWI, DCE) are lengthy and costly, limiting screening use.
  • Abbreviated MRI protocols aim to reduce scan time and expense.

Purpose of the Study:

  • To review abbreviated MRI protocols for prostate cancer screening.
  • To assess if shortened protocols maintain diagnostic accuracy.
  • To explore the potential of abbreviated MRI as a cost-effective screening tool.

Main Methods:

  • Review of abbreviated MRI protocols, including biparametric MRI (bpMRI).
  • Elimination or modification of conventional MRI sequences (DCE, T2WI, DWI).
  • Acceleration techniques like DW-EPI SMS and axial-only T2WI acquisition.

Main Results:

  • Biparametric MRI (bpMRI) omits the DCE sequence, which has limited PI-RADS diagnostic value.
  • T2WI acquisition is shortened (axial plane only or 3D with 2D reconstruction).
  • Accelerated DWI (DW-EPI SMS) and axial T2WI create protocols under 5 minutes.

Conclusions:

  • Abbreviated MRI protocols significantly reduce scan time and cost.
  • These protocols enhance accessibility, enabling MRI for efficient PCa screening.
  • Shortened MRI protocols show promise for widespread prostate cancer screening.
Keywords:
AccessBiparametric prostate MRICostFast MRIFiscal responsibility

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