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Abstract #2372

The influence of different ROI delineation strategies for relaxation measurements in nasopharyngeal carcinoma using Synthetic MR imaging

Liangru Ke1, Tie-bao MENG1, Hui-ming LIU1, Long Qian2, Bing Wu2, Hui Li1, Yun He1, Hao-qiang HE1, and Chuan-miao XIE1

1Department of Medical Imaging, Sun Yat-sen University Cancer Center, Guangzhou, China, 2GE Healthcare, MR Research China, Beijing, China

Recently, a novel quantification method named synthetic MRI have attracted more and more attention in the field of clinical research, such as neural disorders and tumor since the first study in 2008. However, this quantitative assessment of diseases based on relaxation times requires regions of interest (ROI), the delineation of which can impact the accuracy of estimated values. To evaluate how the distinct methods of ROI delineation would impact the relaxation value estimation, in current study, 30 patients with nasopharyngeal carcinoma (NPC) were acquired using synthetic MRI.

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