ESMRMB 2009 congress e-poster presentation

Design of 1 H dual-channel transmit receive coil for local spectroscopy at high field B.L. van de Bank, V.O. Boer, P. R. Luijten, and D.W.J. Klomp Department of Radiology, University Medical Center Utrecht, Utrecht, the Netherlands

Introduction: Motivation / purpose ,[object Object],[object Object],[object Object],[object Object],[object Object]

Introduction: Challenges at Higher Fields ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Use efficient RF transmit coil

Materials & Methods: Coil setup: dual channel (2) (1) (2) (1) (1) Loop coil (2) Stripline

Materials & Methods: Coil design: Shortened stripline

Materials & Methods: B 1 + -shimming ,[object Object],[object Object],[object Object]

Materials & Methods; B 1 + determination ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],3 cm FLASH; nominal θ = 150 FLASH; nominal θ = 300

Materials & Methods; B 1 + determination in vivo ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Materials & Methods: semi-LASER ,[object Object],[object Object],[object Object],[object Object],0 TE=17 acq RF x y y z z 3 9.5 14.5 6.5

Results: Spectrum NAA Cr PCr PC GPC PCho Glu Gln NAA Ins Gln Glu GSH Cr PCr Ins MM MM MM MM MM NSA = 32, (1.5cm) 3

Conclusion: ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

ESMRMB 2009 congress e-poster presentation

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Editor's Notes