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Abstract #0964

Towards Single-shot Diffusion-weighted Spiral Abdominal Imaging on a Clinical Scanner

Peter Börnert1,2, Holger Eggers1, Kay Nehrke1, Peter Mazurkewitz1, Jürgen Rahmer1, Johan van den Brink 3, and Silke Hey3
1Philips Research Hamburg, Hamburg, Germany, 2Radiology, LUMC, Leiden, Netherlands, 3Philips Healtcare Best, Best, Netherlands

Single-shot diffusion-weighted imaging is predominantly performed with echo planar imaging today. Spiral imaging allows shorter echo times and thus promises higher SNR, but is more sensitive to various system imperfections. Previous work showed the feasibility of single-shot diffusion-weighted spiral imaging in the brain. This work explores the applicability to abdominal imaging. It shows that good image quality is achievable in volunteers, using the system demand trajectory for reconstruction, parallel imaging for acceleration, and static main field inhomogeneity mapping for corresponding deblurring.

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