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Related Experiment Video

Updated: Jun 24, 2026

Two-Dimensional X-Ray Angiography to Examine Fine Vascular Structure Using a Silicone Rubber Injection Compound

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Published on: January 7, 2019

Technical principles of MR angiography methods.

Marko K Ivancevic¹, Liesbeth Geerts, William J Weadock

¹Philips Healthcare, MR Clinical Science, 595 Miner Road, Cleveland, OH 44143, USA; Department of Radiology, University of Michigan Health System, 1500 East Medical Center Drive, Ann Arbor, MI 48109-5030, USA. markoi@med.umich.edu

Magnetic Resonance Imaging Clinics of North America

|April 15, 2009

Summary

This summary is machine-generated.

Magnetic resonance angiography (MRA) offers versatile arterial and venous imaging. Advanced techniques provide dynamic MRA comparable to CT angiography, avoiding radiation and iodine contrast risks.

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Area of Science:

Medical Imaging
Radiology
Cardiovascular Imaging

Background:

Magnetic resonance (MR) is a powerful tool for imaging blood vessels.
Various MR angiography (MRA) techniques exist for different vascular territories.

Purpose of the Study:

To review the technical principles of MR angiography.
To cover both non-contrast-enhanced and contrast-enhanced MRA methods.

Main Methods:

Review of non-contrast-enhanced MRA techniques: time-of-flight, phase contrast, triggered angiography, and balanced steady-state free precession.
Discussion of contrast-enhanced and time-resolved contrast-enhanced MRA.
Highlighting recent advancements in MR hardware, sequences, software, and coil technology.

Main Results:

Non-contrast-enhanced MRA techniques offer diverse approaches to visualize vasculature.
Contrast-enhanced MRA provides dynamic imaging capabilities.
Latest developments enable dynamic MRA performance rivaling CT angiography.

Conclusions:

MR angiography is a versatile imaging modality for arteries and veins.
Advancements in MR technology allow for safe and effective dynamic MRA, comparable to CT angiography.
MRA offers an alternative to CT angiography, eliminating risks associated with ionizing radiation and iodine contrast agents.