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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 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,...
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...

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Related Experiment Video

Updated: Jul 5, 2026

Three-Dimensional Phase Resolved Functional Lung Magnetic Resonance Imaging
10:44

Three-Dimensional Phase Resolved Functional Lung Magnetic Resonance Imaging

Published on: June 21, 2024

Functional MR imaging of the lung.

Shin Matsuoka1, Andetta R Hunsaker, Ritu R Gill

  • 1Department of Radiology, Brigham and Women's Hospital, 75 Francis Street, Boston, MA 02115, USA.

Magnetic Resonance Imaging Clinics of North America
|May 14, 2008
PubMed
Summary

Advanced magnetic resonance (MR) imaging techniques now offer detailed insights into lung function, including perfusion and ventilation. These methods overcome previous limitations, aiding research and clinical diagnosis of diverse pulmonary diseases.

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Phase-Resolved Functional Lung MRI for Pulmonary Ventilation and Perfusion (V/Q) Assessment
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Multi-modal Pulmonary Imaging: Using Complementary Information from CT and Hyperpolarized 129Xe MRI to Evaluate Lung Structure-Function
02:09

Multi-modal Pulmonary Imaging: Using Complementary Information from CT and Hyperpolarized 129Xe MRI to Evaluate Lung Structure-Function

Published on: April 12, 2024

Area of Science:

  • Pulmonary Medicine
  • Medical Imaging
  • Radiology

Background:

  • Magnetic resonance (MR) imaging has advanced, overcoming challenges like susceptibility and motion artifacts.
  • This progress enables static and dynamic MR lung imaging, providing quantitative pulmonary function data.

Purpose of the Study:

  • To highlight the utility of advanced MR techniques in assessing pulmonary function.
  • To discuss the application of dynamic contrast-enhanced MR perfusion imaging for evaluating angiogenesis in pulmonary nodules.
  • To introduce 129Xe MR imaging as a potential replacement for 3He MR imaging in pulmonary function assessment.

Main Methods:

  • Utilizing advanced MR techniques for static and dynamic lung imaging.
  • Employing dynamic contrast-enhanced MR perfusion imaging.
  • Implementing 129Xe MR imaging for pulmonary function evaluation.

Main Results:

  • MR techniques now provide quantitative data on lung perfusion, ventilation, and respiratory motion.
  • Dynamic contrast-enhanced MR perfusion imaging is effective for assessing angiogenesis in pulmonary solitary nodules.
  • 129Xe MR imaging shows promise for evaluating diverse pulmonary functions, potentially supplanting 3He MR imaging.

Conclusions:

  • New MR imaging methods offer valuable quantitative information for pulmonary function assessment.
  • These techniques are beneficial in both research and clinical settings for various lung diseases.
  • Advanced MR imaging represents a significant advancement in the study and diagnosis of pulmonary conditions.