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Fig.1 | Radiation Oncology

Fig.1

From: FET-PET radiomics in recurrent glioblastoma: prognostic value for outcome after re-irradiation?

Fig.1

FET-PET segmentation steps: a for each patient a segmentation (VThreshold) was performed by a threshold of 1.8 times the FET uptake in background SUV(Bg.), with background defined by two spheres placed manually in cerebrum and cerebellum; b a radiation oncologist expert removed the regions which were not tumor-relevant and c two segmentations were defined on the remaining volume: VPET3mm resulted from applying a margin of 3 mm around the whole PET volume (VPET) and VPETmax was defined as the contiguous volume containing SUVmax

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