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Fig. 1 | Radiation Oncology

Fig. 1

From: Intratumoral and peritumoral post-irradiation changes, but not viable tumor tissue, may respond to bevacizumab in previously irradiated meningiomas

Fig. 1

MR images before and after bevacizumab in Case 1 (before, a, b; after, d, e) and Case 2 (before, c; after, f). There were three non-irradiated tumors (a, white arrow: tumor 1; b, white arrow: tumor 2; c, white arrow: tumor 7). After bevacizumab, both Tumors 1 and 2 showed progression (d, e: arrows). Tumor 7 did not changed after bevacizumab treatment (f: arrow). On the other hand, a post-irradiated tumor decreased after bevacizumab. Tumor 6 decreased to −79 % (c, f: arrowheads). Intraparenchymal radiation necrosis was disappeared (c, f: black arrow)

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Radiation Oncology

ISSN: 1748-717X

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