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Parallel Imaging in Angiography

  • Nicole Seiberlich
  • Mark Griswold
Chapter

Abstract

One of the main goals in magnetic resonance angiography (MRA) is to acquire data quickly, both to reduce longer scan times to avoid artifacts due to patient motion (for time-of-flight and phase-contrast imaging) and to capture relevant dynamic information (contrast-enhanced MRA). However, the amount of time it takes to generate an MRI image depends directly on the desired spatial resolution. Images with higher spatial resolution require more k-space data, and thus, a longer time is needed to acquire these data. In order to meet both goals of high spatial resolution and high temporal resolution simultaneously, one must look to advanced image acquisition and reconstruction techniques, such as parallel imaging.

Keywords

Magnetic Resonance Angiography Parallel Imaging Acceleration Factor Receiver Coil Coil Sensitivity 
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 Science+Business Media, LLC 2012

Authors and Affiliations

  1. 1.Department of RadiologyUniversity Hospitals of Cleveland/Case Western Reserve UniversityClevelandUSA

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