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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...

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Related Experiment Video

Updated: Jul 22, 2026

Three-Dimensional Reconstruction for the Whole Lung with Early Multiple Pulmonary Nodules
07:53

Three-Dimensional Reconstruction for the Whole Lung with Early Multiple Pulmonary Nodules

Published on: October 13, 2023

[MR angiography of the lung using 3-dimensional imaging method].

I Togami1, M Mitani, T Kitagawa

  • 1Department of Radiation Medicine, Okayama University Medical School.

Nihon Igaku Hoshasen Gakkai Zasshi. Nippon Acta Radiologica
|November 25, 1992
PubMed
Summary

Three-Dimensional MR angiography (3D-MRA) offers superior visualization of pulmonary vessels compared to 2D-MRA. This non-invasive technique clearly shows hilar tumors and their relationship with lung vasculature.

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Area of Science:

  • Radiology
  • Medical Imaging
  • Cardiovascular Imaging

Context:

  • Pulmonary cancer diagnosis
  • Hilar tumor evaluation
  • Vascular imaging techniques

Purpose:

  • Compare 3D-MRA and 2D-MRA for lung vasculature
  • Assess 3D-MRA's effectiveness in visualizing hilar tumors
  • Evaluate non-invasive pulmonary vessel assessment

Summary:

  • 3D-MRA performed with single breath-hold after Gd-DTPA injection
  • Demonstrates pulmonary vessels (hilum and peripheral) more clearly than 2D-MRA
  • Visualizes tumor-vessel relationship effectively in most hilar cancer patients

Impact:

  • 3D-MRA is a non-invasive and effective method for pulmonary vessel evaluation
  • Improves visualization of hilar tumors and their relationship with pulmonary vasculature
  • Enhances diagnostic capabilities for patients with hilar tumors