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Abstract #2078

"Push-button" PET/MRI using a continuous scan 3D quantitative T2 MRI sequence

Isabel Dregely1, Claudia Prieto1, Radhouene Neji2, Camila Munoz1, Rene Botnar1, Andrew Mallia3, Gary Cook3, and Vicky Goh3

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

To avoid overtreatment and repeated use of invasive biopsies, there is a need for improved diagnostic tools for prostate cancer risk stratification. Simultaneous Positron Emission Tomography / Magnetic Resonance Imaging (PET/MRI) systems are promising, however, fundamental differences in PET and MR imaging methodology currently limit full integration and thus the true potential of simultaneous PET/MR: While PET is a rather straightforward, single 3D scan, the MRI exam is complex and current clinical practice consists of several 2D sequences with different image contrast weightings and spatial coverage, performed in a serial fashion. Here, we propose a single, 3D, quantitative T2-MRI sequence that parallels the continuous scan workflow of PET data acquisition.

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