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Abstract #4196

Half Fourier Acquisition Single Shot Turbo Spin Echo Diffusion Encoding with Transition between Pseudo-Steady States for 3T

Aidin Arbabi1 and David G Norris1
1Donders Institute, Radboud University, Nijmegen, Netherlands

Half-Fourier acquisition single-shot turbo spin-echo diffusion-weighted (HASTE DW) is a clinically established magnetic resonance imaging tool for the detection of small lesions, especially, primary and relapsing cholesteatoma at 1.5T field. HASTE DW imaging at high field strengths (3T and above) is challenging due to the intrinsic high radio frequency power deposition of the method, resulting from the extended echo train. We present a HASTE DW with smooth transition between pseudo-steady states, especially developed for 3T imaging, which features a low specific absorption rate and high quality images, without any loss of sensitivity.

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