Abstract #0345

Accelerated 3D 1 mm isotropic T2w-Imaging of the Prostate in less than 3 min

Rohini Vidya Shankar¹, Gastao Cruz¹, Radhouene Neji², Elisa Roccia¹, René Botnar¹, Vicky Goh^1,3, Claudia Prieto¹, and Isabel Dregely¹

¹School of Biomedical Engineering and Imaging Sciences, King's College London, London, United Kingdom, ²Siemens Healthcare Limited, Frimley, United Kingdom, ³Cancer Imaging, King's College London, London, United Kingdom

Three dimensional (3D), isotropic T₂-weighted imaging of the prostate requires a long acquisition time. Here we propose a 3D T₂-prepared multi-shot bSSFP acquisition with a variable density undersampled trajectory and TV-SENSE reconstruction. Results from a healthy volunteer study demonstrate that 3D 1 mm isotropic resolution T₂-weighted images of the prostate can be acquired in 2 min 45 s, with image quality that is comparable to the clinical standard turbo spin echo sequences but only takes 1/3 of the acquisition time.

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