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  Intra- And Inter-Scanner Variability of Magnetization Transfer Ratio Using Balanced SSFP

Gloor, M., Scheffler, K., & Bieri, O. (2009). Intra- And Inter-Scanner Variability of Magnetization Transfer Ratio Using Balanced SSFP. Poster presented at 17th Annual Meeting of the International Society for Magnetic Resonance in Medicine (ISMRM 2009), Honolulu, HI, USA.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0003-15C2-A Version Permalink: https://hdl.handle.net/21.11116/0000-0003-15C3-9
Genre: Poster

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https://cds.ismrm.org/protected/09MProceedings/files/1_program.htm (Abstract)
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Gloor, M, Author
Scheffler, K1, Author           
Bieri, O, Author
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 Abstract: Magnetization transfer ratio (MTR) has become an important tool to study various tissue abnormalities, such as demyelination in brain white matter. Recently, a new technique for measuring MTR has been proposed based on balanced steady-state free precession (bSSFP) with modified radiofrequency pulses. The reproducibility and variability of MTR-bSSFP was analyzed on six healthy volunteers using two different 1.5T clinical systems. Intra-scanner MTR measurements were well reproducible (< ±0.3 pu) and inter-scanner variation is below 0.5 pu for optimal flip angle settings ([pu]: percentage units). MTR-bSSFP benefits further from relatively low B1 sensitivity, high signal-to-noise ratios, and short overall acquisition times.

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 Dates: 2009-04
 Publication Status: Published online
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Title: 17th Annual Meeting of the International Society for Magnetic Resonance in Medicine (ISMRM 2009)
Place of Event: Honolulu, HI, USA
Start-/End Date: 2009-04-18 - 2009-04-24

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Title: 17th Annual Meeting of the International Society for Magnetic Resonance in Medicine (ISMRM 2009)
Source Genre: Proceedings
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Pages: - Volume / Issue: - Sequence Number: 4474 Start / End Page: - Identifier: -