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. 2020 Dec 4;11:592155. doi: 10.3389/fneur.2020.592155

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Copyright © 2020 Cui, Zeng, Jiang, Ren, Lin, Fan, Liu and Zhao.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Representative case of this study. Preoperative MR images showed a lesion located in the left anterior central gyrus and supplementary motor area (A). Postoperative MR images displayed that the tumor has been totally removed (B), while the postoperative peritumoral zone showed a higher ratio of Cho/NAA (>1.31) than that in the contralateral region (C,D). Twelve months after operation, the MR images showed a new enhanced lesion in the peritumoral zone (E), which was further confirmed as tumor recurrence by biopsy (F).