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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 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: Sep 1, 2025

A Cognitive Fusion-guided Prostate Biopsy Using Multiparametric Magnetic Resonance Imaging and Transrectal Ultrasound
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In-bore MR prostate biopsy - initial experience.

Justyna Rembak-Szynkiewicz1, Piotr Wojcieszek2, Anna Hebda3

  • 1Radiology and Diagnostic Imaging Department, Maria Skłodowska-Curie National Research Institute of Oncology, Gliwice Branch, Poland. remszyn@wp.pl.

Endokrynologia Polska
|August 16, 2022
PubMed
Summary

Multiparametric MRI-guided prostate biopsy accurately diagnoses prostate cancer and local recurrence. Real-time MRI guidance enables precise tissue sampling for reliable histological confirmation.

Keywords:
biopsycore-needle biopsyimaging-guided biopsymagnetic resonance-guided interventional proceduresmultiparametric magnetic resonance imagingprostateprostate cancerprostate neoplasms

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Area of Science:

  • Urology
  • Radiology
  • Oncology

Background:

  • Multiparametric MRI (mpMRI) significantly advanced noninvasive diagnosis of clinically significant prostate cancer.
  • MR-guided prostate biopsy (in-bore biopsy) is the sole method utilizing real-time MRI for suspected prostate cancer.
  • This study retrospectively analyzed MRI findings against histological results from MRI-guided biopsies.

Purpose of the Study:

  • To evaluate the correlation between MRI results and histological findings in prostate biopsies.
  • To assess the diagnostic accuracy of MRI-guided biopsy for primary prostate cancer and local recurrence.
  • To determine the efficacy of MRI in identifying suspicious lesions for biopsy.

Main Methods:

  • Retrospective analysis of 57 lesion biopsies from 39 patients (age 48-84).
  • Inclusion of patients with suspected prostate cancer undergoing MRI-guided biopsy.
  • Correlation of MRI-based Prostate Imaging and Reporting and Data System (PI-RADS) scores with histopathology.

Main Results:

  • Cancer confirmed in 24 lesions (14 primary, 10 local recurrence).
  • 90% of PI-RADS 5 lesions were malignant; 50% of PI-RADS 4 lesions were malignant.
  • Cancer detected in approximately 72% of lesions suspected of local recurrence.

Conclusions:

  • Real-time MRI-guided prostate biopsy allows precise tissue collection, even from small lesions.
  • This technique is effective for confirming both primary prostate cancer and local recurrence post-radiotherapy.
  • MRI-guided biopsy enhances diagnostic accuracy for prostate cancer detection and staging.