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  Compensation of Offresonance Magnetization Transfer Artifact in SPECIAL at 7T

Fuchs, A., Henning, A., Brunner, D., & Boesiger, P. (2010). Compensation of Offresonance Magnetization Transfer Artifact in SPECIAL at 7T. Poster presented at ISMRM-ESMRMB Joint Annual Meeting 2010, Stockholm, Sweden.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0002-A508-B Version Permalink: https://hdl.handle.net/21.11116/0000-0002-A509-A
Genre: Poster

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https://cds.ismrm.org/protected/10MProceedings/files/1_program.htm (Abstract)
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 Creators:
Fuchs, A, Author
Henning, A1, Author           
Brunner, D, Author
Boesiger, P, Author
Affiliations:
1University and ETH Zürich, ou_persistent22              

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 Abstract: The SPECIAL sequence is a 2 step ISIS like localization scheme that allows to measure 3D SV spectra at very short echo times. This is especially interesting for spectroscopy at ultra-high fields were metabolite relaxation complicates the detection of certain metabolites. It is demonstrated in this work that in SPECIAL without outer volume suppression the ISIS inversion pulse induces magnetization transfer effects between bound protons and skull lipids. This can lead to strong outer volume fat contamination of the actual spectrum. Furthermore a modification to the SPECIAL sequence is proposed to overcome these types of artifacts.

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 Dates: 2010-05
 Publication Status: Issued
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Title: ISMRM-ESMRMB Joint Annual Meeting 2010
Place of Event: Stockholm, Sweden
Start-/End Date: 2010-05-01 - 2010-05-07

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Title: ISMRM-ESMRMB Joint Annual Meeting 2010
Source Genre: Proceedings
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Pages: - Volume / Issue: - Sequence Number: 3383 Start / End Page: - Identifier: -