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Fig. 1 | Radiation Oncology

Fig. 1

From: Efficacy of moderately hypofractionated simultaneous integrated boost intensity-modulated radiotherapy combined with temozolomide for the postoperative treatment of glioblastoma multiforme: a single-institution experience

Fig. 1

The target volume delineation and isodose distribution of a representative patient who received hypofractionated SIB-IMRT. a GTV is identified with a blue arrow, including the contrast-enhanced lesion on the postoperative T1-weighted MR images and the postoperative cavity; CTV1 is identified with a red arrow, including GTV plus a 1-cm margin and the surrounding edema on T2-weighted fluid-attenuated inversion recovery MRI; CTV2 is identified with a blue arrow, including CTV1 plus a 2-cm margin. b Isodose distribution in CT and MRI, showing the target volumes receiving 64 Gy (red), 60 Gy (green), or 54 Gy (blue)

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