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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

Magnetic Resonance Imaging

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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: Apr 18, 2026

A Cognitive Fusion-guided Prostate Biopsy Using Multiparametric Magnetic Resonance Imaging and Transrectal Ultrasound
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Magnetic resonance imaging-guided prostate biopsy: present and future.

Chan Kyo Kim1

  • 1Department of Radiology and Center for Imaging Science, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul 135-710, Korea.

Korean Journal of Radiology
|January 20, 2015
PubMed
Summary

Multiparametric MRI-guided biopsy (MRGB) offers improved accuracy for detecting clinically significant prostate cancer (PCa) compared to standard transrectal ultrasound-guided biopsy (TRUSBx). This technique may reduce the diagnosis of insignificant cancers.

Keywords:
MRIMRI-guided biopsyProstate cancerTargeted biopsy

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Area of Science:

  • Urology
  • Radiology
  • Oncology

Background:

  • Transrectal ultrasound-guided biopsy (TRUSBx) is the standard for prostate cancer (PCa) diagnosis but has limited accuracy.
  • Multiparametric MRI (mp-MRI) shows promise for PCa detection with high positive predictive value.

Purpose of the Study:

  • To provide an overview of MRI-guided biopsy (MRGB) for PCa detection.
  • To review MRGB accuracy, clinical indications, and discuss current challenges and future directions.

Main Methods:

  • Review of existing literature on MRGB for prostate cancer.
  • Analysis of MRGB accuracy and comparison with TRUSBx.

Main Results:

  • MRGB improves targeted biopsy quality when using mp-MRI.
  • MRGB is accurate and efficient for detecting clinically significant PCa, especially after negative TRUSBx.
  • MRGB may reduce the detection of clinically insignificant cancers.

Conclusions:

  • MRGB is a valuable tool for diagnosing clinically significant prostate cancer.
  • The technique offers improved accuracy and potentially reduces unnecessary treatment for indolent cancers.