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Functional MRI pp 131-134 | Cite as

Magnetic Resonance Angiography in the Abdomen and Pelvis

  • G. P. Krestin
  • J. F. Debatin
Conference paper
Part of the Syllabus book series (SYLLABUS)

Abstract

The magnetic resonance (MR) experiment is exquis­itely sensitive to flow. Motion affects both Tl and T2 relaxations; the former is referred to as “time-of-flight” and the latter as “spin phase” effects. While these mo­tion phenomena can cause considerable artifacts in conventional MR imaging, they can be exploited to form the basis of what is generally referred to as MR-angiography (MRA). Due to motion-induced signal modulation, vessels with flowing blood acquire a signal that can be differentiated from surrounding stationary tissues. MRA techniques use this signal contrast be­tween vessels and stationary tissues for the non-inva-sive assessment of both vascular morphology and func­tion.

Keywords

Inferior Vena Cava Magnetic Resonance Angiography Spin Echo Portal Venous System Ovarian Vein 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Italia, Milano 1996

Authors and Affiliations

  • G. P. Krestin
    • 1
  • J. F. Debatin
    • 1
  1. 1.Department of Medical RadiologyUniversity Hospital ZürichZürichSwitzerland

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