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. 2021 Jul 5;11:640892. doi: 10.3389/fonc.2021.640892

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Copyright © 2021 Wang, Wang, He, Li and Song

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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A 56-year-old male patient with olfactory neuroblastoma of Kadish Stage C underwent surgical resection followed by chemoradiotherapy. (A–C) are the magnetic resonance (MR) images before treatment, while (D–F) are the corresponding MR images after the completion of treatment. (A) Axial T1-weighted MR imaging reveals an isointense mass in the frontal lobe (arrow). The mass has moderate signal intensity on T2-weighted MR images (B), and shows heterogeneous enhancement on the post-contrast T1-weighted MR images (C). (D–F) show that the tumor totally disappears after the completion of treatment, and there is still edema of the frontal lobe (arrow).