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Contrast enhanced MR angiography of the Spine: How it’s done, normal spinal anatomy, and spinal vascular pathology 2007

General Spine

Salman S Mirza, DO
Henry Z Wang, MD, PhD, Non ASSR Member

Scientific Poster

Exhibit Panels: 2

Purpose

Objective:
Contrast enhanced MR angiograhy has rapidly become a clinically accepted and diagnostically useful tool. MR angiography has not replaced intra-arterial digital subtraction angiography, but rather aids the work-up and diagnosis of spinal vascular lesions. MR angiography has advanced over the past decade to become a useful, non-invasive adjunct to intra-arterial DSA. Initial time-of-flight MR angiography has given way to contrast enhanced dynamic MR angiography.This exhibit aims to illustrate the basic physics of MR angiography, describe the latest technique in contrast enhanced MR angiography, and illusrate spinal vascular lesions as seen on contrast enhanced MR angiography.

Results

Learning Points

After reviewing this exhibit viewers should:

-Understand the basic physics behind MR angiography
techniques
-Become familiar with the steps involved in Real-time
Auto-triggered elliptic centric-ordered 3D Gadolinium-
enhanced MR angiography of the spine
-Understand post image processing steps
-Understand normal spinal anatomy
-Become familiar with vascular lesions of the spine as
seen on contrast enhanced MR angiography and
intra-arterial DSA.