Abstract #3249

Multiband TSE Imaging of the Fetal Brain at 3T

Anthony N Price^1,2, Shaihan J Malik², Jana Hutter², Martin Bührer³, Lucilio Cordero-Grande², Rui Teixeira², Emer J Hughes¹, Mary A Rutherford¹, and Joseph V Hajnal^1,2

¹Centre for the Developing Brain, King's College London, London, United Kingdom, ²Biomedical Engineering, King's College London, London, United Kingdom, ³GyroTools, Zurich, Switzerland

Single-shot Turbo Spin-Echo (ss-TSE) sequences can provide excellent anatomical images of the fetal brain. However, due to the surrounding maternal tissue, full field of view encoding leads to long echo train lengths, impacting efficiency, causing high SAR and increased risk of motion artefact. In this abstract we present the implementation of multiband accelerated ss-TSE of the fetal brain, with a zoom variant that reduces both overall scan time and the need to encode a large FOV. In addition simultaneous sampling multiple slice locations should benefit the image registration step in subsequent 3D slice-to-volume reconstructions.

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