Figure 4
Treatment response after 17 courses of bevacizumab in 18 F-FET-PET/CT and fusion of PET with MRI. A The native and B the contrast-enhanced T1 cMRT scans show a decrease of the lesion initially described. C In the PET/CT and D the fusion of PET and MRI, the 18 F-FET uptake is slightly diffuse increased with Tu/Bg uptake ration of 1.3 consitent with reactive changes after treatment and arguing against vital tumor tissue.