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  Human Brain Imaging at 9.4 Tesla Using a Combination of Traveling Wave Excitation with a 15-Channel Receive-Only Array

Hoffmann, J., Shajan, G., & Pohmann, R. (2011). Human Brain Imaging at 9.4 Tesla Using a Combination of Traveling Wave Excitation with a 15-Channel Receive-Only Array. In 19th Annual Meeting and Exhibition of the International Society for Magnetic Resonance in Medicine (ISMRM 2011).

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0013-BC16-3 Version Permalink: https://hdl.handle.net/21.11116/0000-0002-4F9A-9
Genre: Meeting Abstract

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ISMRM-2011-164.pdf (Abstract), 743KB
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 Creators:
Hoffmann, JO1, 2, Author           
Shajan, G1, 2, Author           
Pohmann, R1, 2, Author           
Affiliations:
1Former Department MRZ, Max Planck Institute for Biological Cybernetics, Max Planck Society, Spemannstrasse 38, 72076 Tübingen, DE, ou_2528700              
2Max Planck Institute for Biological Cybernetics, Max Planck Society, Spemannstrasse 38, 72076 Tübingen, DE, ou_1497794              

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 Abstract: Traveling wave imaging using a Tx/Rx patch antenna has the potential to provide a more homogeneous B1+ field over a large field-of-view compared to circularly polarized volume coils. However, the method suffers from poor sensitivity which prevents the application to routine imaging. Therefore, we combined a patch antenna for transmission with a 15-channel receive-only array inside a narrow head gradient for human brain imaging at 9.4 Tesla. The setup can provide spin excitation covering the whole brain for low flip angle applications; high SNR and simple usage. However, anticipated advantages were spoiled by B1+ artifacts in our initial results.

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 Dates: 2011-05
 Publication Status: Issued
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 Identifiers: BibTex Citekey: HoffmannSP2011
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Title: 19th Annual Meeting and Exhibition of the International Society for Magnetic Resonance in Medicine (ISMRM 2011)
Place of Event: Montréal, Canada
Start-/End Date: 2011-05-07 - 2011-05-13

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Title: 19th Annual Meeting and Exhibition of the International Society for Magnetic Resonance in Medicine (ISMRM 2011)
Source Genre: Proceedings
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Pages: - Volume / Issue: - Sequence Number: 164 Start / End Page: - Identifier: -