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Abstract #0951

Preoperative discrimination between the low-grade glioma and high-grade glioma and early exploration of metastatic margin with APT imagingĀ at 7T

Yifan Yuan1, Qi Yue1, Xiang Zou1, Jiajun Cai1, Ying-Hua Chu2, Yi-Cheng Hsu2, Patrick Alexander Liebig3, Hui Zhang4, He Wang4, Liang Chen1, and Ying Mao1
1Department of Neurosurgery, Huashan Hospital, Fudan University, Shanghai, China, 2MR Collaboration, Siemens Healthcare Ltd., Shanghai, China, 3Siemens Healthcare GmbH, Erlangen, Germany, 4Institute of Science and Technology for Brain-Inspired Intelligence, Fudan University, Shanghai, China

Preoperative assessment of histological grades and possible margin of glioma are challenges to neurosurgeons, which may also make a huge difference in therapeutic strategies. In this study, we aim to establish a grade-discrimination criterion via APT and explore the possible metastatic margin of diffuse glioma at 7T. Eleven patients underwent structural imaging and APT CEST imaging. Results of the APT were merged with the T1 image, which showed a promising indication of preoperative histological grades. Meanwhile, with the early exploration of metastatic margin, the APT CEST at 7 Tesla may significantly facilitate the surgical strategy and surgical excision extension.

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