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Related Concept Videos

Imaging Studies IV: Magnetic Resonance Imaging01:27

Imaging Studies IV: Magnetic Resonance Imaging

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Introduction:Magnetic Resonance Imaging, or MRI, can include a specialized imaging technique of the urinary system known as Magnetic Resonance Urography (MRU). This radiation-free technique uses strong magnetic fields and radio waves to produce detailed images with the help of a computer. MRU is particularly effective for visualizing fluid-filled structures like the kidneys, ureters, and bladder.Applications of MRI in the Genitourinary SystemKidneys and Ureters: MRI detects tumors, cysts,...
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Related Experiment Video

Updated: Sep 7, 2025

Use of MRI-ultrasound Fusion to Achieve Targeted Prostate Biopsy
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Office-Based, Single-Sided, Low-Field MRI-Guided Prostate Biopsy.

Poorvi Satya1, John Adams2, Srirama S Venkataraman3

  • 1Operations, Mailman School of Public Health, Columbia University, New York, USA.

Cureus
|June 20, 2022
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Summary

This study details a transperineal prostate biopsy (TBx) workflow using a novel low-field MRI system. This approach may improve prostate cancer detection and reduce infection risks associated with standard biopsies.

Keywords:
low-field mrimale urologymr-guided biopsymrioffice-based mriprostate biopsyprostate cancertargeted prostate biopsyurology

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Area of Science:

  • Medical Imaging
  • Urology
  • Oncology

Background:

  • Prostate cancer (PCa) is a leading cause of cancer death in men.
  • Standard systematic biopsy (SBx) has limitations, including false negatives and infection risk.
  • Novel imaging modalities are needed to improve PCa diagnosis.

Purpose of the Study:

  • To describe the workflow of transperineal prostate biopsy (TBx) using the Promaxo MRI system.
  • To evaluate the potential of low-field MRI for prostate biopsy.
  • To address limitations of current prostate biopsy techniques.

Main Methods:

  • Utilized a single-sided, low-field Promaxo MRI system (58-74 mT) for transperineal prostate biopsy.
  • Described the workflow for performing TBx in an office-based setting.
  • Discussed the evolution of prostate biopsy modalities.

Main Results:

  • The Promaxo MRI system offers an alternative for MR-guided prostate biopsy.
  • Low-field MRI may mitigate logistical constraints of standard MR-guided biopsies.
  • The described workflow facilitates an office-based approach.

Conclusions:

  • Transperineal prostate biopsy with the Promaxo low-field MRI system is a feasible workflow.
  • This approach has the potential to improve prostate cancer diagnosis and patient safety.
  • Office-based, low-field MRI may represent a future direction in prostate biopsy.