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Related Concept Videos

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...
Radiological Investigation III: Pulmonary Angiogram and PET Scan01:13

Radiological Investigation III: Pulmonary Angiogram and PET Scan

Radiological investigations are paramount in the diagnosis and management of various pulmonary diseases. Two essential investigations are the Pulmonary Angiogram and the Positron Emission Tomography (PET) Scan.
Pulmonary Angiogram
A Pulmonary Angiogram is an invasive procedure involving injecting a contrast medium through a catheter threaded into the pulmonary artery or the right side of the heart to visualize the pulmonary vasculature. Computed Tomography (CT) scans have mainly replaced this...
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...

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Related Experiment Video

Updated: Jun 21, 2026

Oxygenation-sensitive Cardiac MRI with Vasoactive Breathing Maneuvers for the Non-invasive Assessment of Coronary Microvascular Dysfunction
08:35

Oxygenation-sensitive Cardiac MRI with Vasoactive Breathing Maneuvers for the Non-invasive Assessment of Coronary Microvascular Dysfunction

Published on: August 17, 2022

[Oxygen-enhanced functional MR lung imaging].

M Beer1, D Stäb, M Oechsner

  • 1Institut für Röntgendiagnostik, Universitätsklinikum Würzburg, Josef-Schneider-Str. 2, 97080 Würzburg. beer@roentgen.uni-wuerzburg.de

Der Radiologe
|August 7, 2009
PubMed
Summary
This summary is machine-generated.

Oxygen-enhanced MRI offers a radiation-free method for assessing lung ventilation. This technique provides quantitative, regional lung function analysis, particularly with low-field scanners, improving patient comfort and accessibility.

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Phase-Resolved Functional Lung MRI for Pulmonary Ventilation and Perfusion (V/Q) Assessment
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Phase-Resolved Functional Lung MRI for Pulmonary Ventilation and Perfusion (V/Q) Assessment

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Magnetic Resonance Imaging Quantification of Pulmonary Perfusion using Calibrated Arterial Spin Labeling
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Magnetic Resonance Imaging Quantification of Pulmonary Perfusion using Calibrated Arterial Spin Labeling

Published on: May 30, 2011

Related Experiment Videos

Last Updated: Jun 21, 2026

Oxygenation-sensitive Cardiac MRI with Vasoactive Breathing Maneuvers for the Non-invasive Assessment of Coronary Microvascular Dysfunction
08:35

Oxygenation-sensitive Cardiac MRI with Vasoactive Breathing Maneuvers for the Non-invasive Assessment of Coronary Microvascular Dysfunction

Published on: August 17, 2022

Phase-Resolved Functional Lung MRI for Pulmonary Ventilation and Perfusion (V/Q) Assessment
05:56

Phase-Resolved Functional Lung MRI for Pulmonary Ventilation and Perfusion (V/Q) Assessment

Published on: August 9, 2024

Magnetic Resonance Imaging Quantification of Pulmonary Perfusion using Calibrated Arterial Spin Labeling
12:29

Magnetic Resonance Imaging Quantification of Pulmonary Perfusion using Calibrated Arterial Spin Labeling

Published on: May 30, 2011

Area of Science:

  • Medical Imaging
  • Pulmonary Medicine
  • Magnetic Resonance Imaging

Context:

  • Current lung function diagnostics rely on global measurements or radioactive tracers, limiting regional analysis and exposing patients to radiation.
  • Functional MRI (fMRI) offers a non-invasive alternative for assessing lung ventilation.
  • Low-field MRI scanners present advantages like open design, reduced noise, easier patient access, and lower costs.

Purpose:

  • To present oxygen-enhanced functional MRI as a tool for quantitative, regional lung ventilation assessment.
  • To highlight the potential of low-field MRI scanners for functional lung imaging.
  • To describe the application of T1 and T2(*) maps in healthy volunteers and patients using low-field MRI.

Summary:

  • Oxygen-enhanced MRI enables quantitative, regional assessment of lung ventilation without radiation.
  • Low-field, open-design MRI scanners enhance patient comfort and reduce costs for functional lung imaging.
  • Quantitative T1 and T2(*) maps derived from low-field MRI show significant clinical potential for lung function analysis.

Impact:

  • Provides a radiation-free, quantitative, and regional method for lung ventilation assessment.
  • Enhances patient experience and accessibility in functional lung imaging through low-field MRI.
  • Offers a promising alternative to current diagnostic tools with high clinical potential.