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Magnetic Resonance Imaging01:24

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Magnetic resonance imaging (MRI) is a noninvasive medical imaging technique based on a phenomenon of nuclear physics discovered in the 1930s, in which matter exposed to magnetic fields and radio waves was found to emit radio signals. In 1970, a physician and researcher named Raymond Damadian noticed that malignant (cancerous) tissue gave off different signals than normal body tissue. He applied for a patent for the first MRI scanning device in clinical use by the early 1980s. The early MRI...
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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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Updated: Mar 31, 2026

A Cognitive Fusion-guided Prostate Biopsy Using Multiparametric Magnetic Resonance Imaging and Transrectal Ultrasound
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Magnetic Resonance-Guided Prostate Biopsy.

S Saeid Dianat1, H Ballentine Carter2, Katarzyna J Macura3

  • 1Department of Radiology, University of Minnesota, 420 Delaware Street, SE Minneapolis, MN 55455, USA.

Magnetic Resonance Imaging Clinics of North America
|October 27, 2015
PubMed
Summary

Targeted prostate biopsy improves cancer diagnosis by reducing overdiagnosis of insignificant disease and undersampling of significant prostate cancer. This review covers techniques for MR imaging-guided biopsies and their clinical applications.

Keywords:
MR imagingMagnetic resonance-guided biopsyProstate biopsyProstate cancerTargeted biopsy

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Area of Science:

  • Urology
  • Radiology
  • Oncology

Background:

  • Optimal prostate cancer diagnosis balances avoiding overdiagnosis of insignificant disease and undersampling of significant disease.
  • Current biopsy strategies may lead to overdiagnosis or missed significant cancers.

Purpose of the Study:

  • To review techniques for MR imaging-targeted prostate biopsies.
  • To discuss clinical settings for MR imaging-guided prostate biopsies.
  • To highlight the role of targeted biopsy in improving prostate cancer diagnosis.

Main Methods:

  • Focus on techniques for targeting prostate lesions identified on multiparametric MR imaging.
  • Review of clinical settings where MR imaging-targeted prostate biopsies are performed.

Main Results:

  • Targeted prostate biopsy offers a potential solution to decrease both overdiagnosis and undersampling.
  • Various techniques exist for targeting lesions seen on MRI.

Conclusions:

  • MR imaging-targeted prostate biopsy is a key strategy for optimizing prostate cancer diagnosis.
  • This approach aims to improve detection of clinically significant disease while minimizing diagnosis of insignificant disease.