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. 2021 Oct 21;7(2):100831. doi: 10.1016/j.adro.2021.100831

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© 2021 The Authors

This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

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Fig 1 — Patient case 1 – top row. (A) Initial magnetic resonance imaging (MRI) scan with periventricular radial pattern of enhancement of T1-weighted postgadolinium sequence. (B) Associated T2 fluid-attenuated inversion recovery (FLAIR) abnormality on initial MRI. (C) Stable appearance of enhancement on T1-weighted postgadolinium sequence at 48 months after intensity modulated radiation therapy (IMRT). (D) Stable appearance of T2 FLAIR abnormality at 48 months after IMRT. Patient case 2 – bottom row. (E) Initial MRI scan with serpiginous pattern of enhancement on T1-weighted postgadolinium sequence. (F) Associated T2 FLAIR abnormality on initial MRI. (G) Stable appearance of enhancement on T1-weighted postgadolinium sequence at 48 months after IMRT. (H) Stable appearance of T2 FLAIR abnormality at 48 months after IMRT.