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Related Concept Videos

Magnetic Resonance Imaging01:24

Magnetic Resonance Imaging

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...
Radiological Investigation II: MRI and Ventilation Perfusion Scan01:30

Radiological Investigation II: MRI and Ventilation Perfusion Scan

Description
Magnetic Resonance Imaging (MRI) and Ventilation Perfusion Scans are two radiological investigations that offer detailed diagnostic images of the body, particularly lung structures.
MRI
MRI uses magnetic fields and radiofrequency signals to distinguish between normal and abnormal tissues. This technology provides a more detailed diagnostic image than CT scans, enabling it to characterize pulmonary nodules, stage bronchogenic carcinoma, and evaluate inflammatory activity in...
Imaging Studies I: CT and MRI01:14

Imaging Studies I: CT and MRI

Introduction: MRI and CT scans are crucial advancements in medical imaging techniques, playing a vital role in diagnosing conditions related to the gastrointestinal (GI) system. Each scan serves distinct purposes, targets specific areas, and requires unique nursing duties.
Description of the Procedures
Computed Tomography (CT) scan:
Computed Tomography (CT) scans use X-ray technology to generate detailed images of bones, organs, and tissues. During the scan, the patient lies on a moving table...
Imaging Studies II: Ultrasonography01:24

Imaging Studies II: Ultrasonography

IntroductionUltrasonography, or renal ultrasound, is a noninvasive medical imaging technique that uses high-frequency sound waves to visualize the kidneys, ureters, bladder, and surrounding tissues.Indications for Urinary System UltrasonographyUrinary system ultrasonography is indicated in various clinical scenarios, such as:Kidney Stones (Urolithiasis): To detect and monitor the size and presence of kidney or urinary tract stones.Hydronephrosis: To assess the dilation of the renal pelvis and...
Imaging Studies IV: Magnetic Resonance Imaging01:27

Imaging Studies IV: Magnetic Resonance Imaging

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,...
Imaging Studies V: Intravenous Urography and Retrograde Pyelography01:22

Imaging Studies V: Intravenous Urography and Retrograde Pyelography

IntroductionIntravenous Urography (IVU) and Retrograde Pyelography (RP) are important diagnostic imaging techniques used to evaluate the urinary system. These methods help identify structural abnormalities, obstructions, and functional issues in the kidneys, ureters, and bladder. Both procedures use iodine-based contrast media to enhance the visibility of urinary tract structures on X-ray images, though they differ in their methods and indications.1. Intravenous Urography (IVU)Intravenous...

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Related Experiment Video

Updated: Jul 4, 2026

Use of MRI-ultrasound Fusion to Achieve Targeted Prostate Biopsy
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Use of MRI-ultrasound Fusion to Achieve Targeted Prostate Biopsy

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Direct MRI-guided In-Bore Targeted Biopsy of the Prostate: A Step-by-Step How To and Lessons Learned.

Debora Z Recchimuzzi1, Alberto Diaz de Leon1, Ivan Pedrosa1

  • 1From the Departments of Radiology (D.Z.R., I.P., D.T., H.L., J.B., J.R., N.M.R., D.N.C.) and Urology (I.P., K.G., X.M., C.G.R., D.N.C.), University of Texas Southwestern Medical Center, 2201 Inwood Rd, Dallas, TX 75390; and Department of Radiology, University of Texas MD Anderson Cancer Center, Houston, Tex (A.D.d.L.).

Radiographics : a Review Publication of the Radiological Society of North America, Inc
|January 4, 2024
PubMed
Summary
This summary is machine-generated.

Multiparametric MRI (mpMRI) enables targeted prostate cancer biopsies. Direct MRI-guided in-bore biopsy offers a precise method for sampling suspicious lesions, improving the detection of significant cancers.

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A Cognitive Fusion-guided Prostate Biopsy Using Multiparametric Magnetic Resonance Imaging and Transrectal Ultrasound
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Area of Science:

  • Radiology
  • Urology
  • Oncology

Background:

  • Multiparametric MRI (mpMRI) is the leading imaging modality for prostate cancer detection.
  • mpMRI facilitates targeted biopsies by identifying suspicious lesions before tissue sampling.
  • Targeted biopsies improve the accuracy of prostate cancer diagnosis compared to traditional methods.

Purpose of the Study:

  • To compare different strategies for targeting MRI-visible prostate cancer lesions.
  • To provide a detailed description of the direct MRI-guided in-bore biopsy technique.
  • To review the application of this technique in complex clinical situations.

Main Methods:

  • Comparison of various targeting strategies for MRI-visible lesions.
  • Step-by-step procedural description of direct MRI-guided in-bore biopsy.
  • Illustrated review of challenging clinical scenarios and their management.

Main Results:

  • Direct MRI-guided in-bore biopsy allows precise visualization of the needle and trajectory.
  • This technique offers a versatile approach for accurate sampling of suspicious prostate lesions.
  • Improved detection rates for clinically significant prostate cancers are achieved.

Conclusions:

  • Direct MRI-guided in-bore biopsy is a precise and effective method for prostate cancer diagnosis.
  • This technique enhances the accuracy of targeted biopsies, leading to better cancer detection.
  • It is particularly valuable in challenging clinical scenarios requiring precise lesion sampling.