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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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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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Related Experiment Video

Updated: May 1, 2026

Use of MRI-ultrasound Fusion to Achieve Targeted Prostate Biopsy
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[MRI/US-fusion for targeted prostate biopsy].

Ivo G Schoots1, Chris H Bangma

  • 1Erasmus MC, Rotterdam.

Nederlands Tijdschrift Voor Geneeskunde
|April 10, 2014
PubMed
Summary

Combining MRI scans with real-time ultrasound improves prostate cancer detection, potentially reducing unnecessary biopsies. This MRI/US-fusion guidance targets suspicious lesions more accurately than traditional methods.

Area of Science:

  • Medical Imaging
  • Urology
  • Oncology

Background:

  • Current transrectal ultrasound-guided prostate biopsies have limitations in detecting clinically significant cancers and may biopsy non-significant tumors.
  • This leads to underdiagnosis of relevant cancers and overdiagnosis of indolent tumors.

Purpose of the Study:

  • To evaluate the efficacy of MRI/US-fusion guided biopsy for improved prostate cancer detection.
  • To determine if this technique can overcome limitations of current systematic biopsy methods.

Main Methods:

  • Fusion of pre-acquired magnetic resonance imaging (MRI) with real-time transrectal ultrasound (US).
  • Identification and localization of suspicious prostate lesions using MRI.
  • Real-time guidance of biopsy needles into targeted areas under MRI/US-fusion.

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Last Updated: May 1, 2026

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Main Results:

  • The MRI/US-fusion technique allows for accurate guidance of biopsy needles into suspicious prostate lesions.
  • This approach has the potential to improve the detection of clinically relevant prostate cancers.

Conclusions:

  • MRI/US-fusion guided biopsy offers a promising alternative to systematic biopsies for prostate cancer detection.
  • Further investigation is needed to confirm that this technique does not miss relevant cancers.