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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...
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 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...
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...
Positron Emission Tomography01:29

Positron Emission Tomography

Positron emission tomography (PET) is a medical imaging technique involving radiopharmaceuticals — substances that emit short-lived radiation. Although the first PET scanner was introduced in 1961, it took 15 more years before radiopharmaceuticals were combined with the technique and revolutionized its potential.
One of the main requirements of a PET scan is a positron-emitting radioisotope, which is produced in a cyclotron and then attached to a substance used by the part of the body being...
Imaging Studies III: Computed Tomography01:27

Imaging Studies III: Computed Tomography

DefinitionComputed Tomography (CT) of the genitourinary (GU) tract is a non-invasive imaging modality that utilizes X-rays and computer processing to generate detailed cross-sectional images of the urinary system, encompassing the kidneys, ureters, bladder, and adjacent structures such as the adrenal glands.PurposeCT scans of the GU tract serve several diagnostic and therapeutic purposes, including:Diagnosis of Urinary Tract Diseases: Detects kidney stones, tumors, cysts, and congenital...

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Related Experiment Video

Updated: Jun 23, 2026

Quantification of Levator Ani Hiatus Enlargement by Magnetic Resonance Imaging in Males and Females with Pelvic Organ Prolapse
07:41

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Published on: April 17, 2019

[Pelvic MRI at 3.0 Tesla].

A Léautaud1, C Marcus, D Ben Salem

  • 1Service de Radiologie, Pôle d'imagerie, CHU Reims, Hôpital Robert Debré, Reims, France. alexandre.leautaud@yahoo.fr

Journal De Radiologie
|May 8, 2009
PubMed
Summary

Achieving high-quality pelvic MRI at 3.0 Tesla requires specific protocols, not just 1.5 Tesla settings. This high-field magnetic resonance imaging (MRI) offers advantages for prostate, rectal, and female pelvic imaging.

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Area of Science:

  • Radiology and Medical Imaging
  • Magnetic Resonance Imaging Physics

Context:

  • Pelvic imaging demands high resolution for accurate diagnosis.
  • Transitioning from 1.5 Tesla (T) to 3.0 T MRI necessitates addressing unique challenges.
  • Established 1.5 T protocols are not directly transferable to 3.0 T systems.

Purpose:

  • To outline the critical parameters for optimizing pelvic MRI at 3.0 T.
  • To discuss the specific physics considerations for high-field MRI.
  • To demonstrate the clinical utility and results of 3.0 T pelvic MRI.

Summary:

  • High-resolution pelvic MRI at 3.0 T is achievable by accounting for 3.0 T specific issues like chemical shift, magnetic susceptibility, dielectric effects, and specific absorption rates (SAR).
  • Optimal selection of echo time (TE) and repetition time (TR) is crucial for desired tissue contrast.
  • 3.0 T MRI provides enhanced vascular imaging and functional capabilities (diffusion, spectroscopy) for pelvic structures.

Impact:

  • Facilitates improved diagnostic accuracy in prostate, rectal, and female pelvic imaging.
  • Highlights the potential of 3.0 T MRI for advanced applications like functional and vascular imaging.
  • Provides a practical guide for radiologists and physicists implementing 3.0 T pelvic MRI protocols.