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Recurrent tumor. Five months later after RT with concomitant and adjuvant temozolomide, this patient with glioblastoma developed a new heterogeneously enhancing mass lesion in the left occipital lobe on a contrast T1-weighted image (A) with heterogeneously increased signal on DWI (B) and decreased ADC (C). ADCLesion = 0.00123 mm2/s. rCBV map (D) shows hyperperfusion. rCBVLesion = 2.78. Repeat surgery confirmed recurrent tumor.
