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Fig. 1 | Radiation Oncology

Fig. 1

From: Suspected recurrence of brain metastases after focused high dose radiotherapy: can [18F]FET- PET overcome diagnostic uncertainties?

Fig. 1

MRI and 18F-FET PET findings in a recurrent brain metastasis after focused high dose radiotherapy (Patient nr. 30). A ring-like contrast enhancement in the T1-weighted images (a), as well as an extensive edema in the T2-weighted images is seen (b). Both a focal 18F-FET uptake (TBRmax 3.5, TBRmean 2.3) and decreasing TACs can be observed in static and dynamic PET analysis (c, d)

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