Fig. 8
From: Brain MR findings in patients treated with particle therapy for skull base tumors
MRI performed 22 months after 78.8 Gy carbon ion therapy in a Patient with malignant peripheral nerve sheath tumor. T2-weighted image (a) shows disomogeneous areas of altered signal, with hypo- and hyperintense components, located in mesial temporal regions both on the right and on the left, and surrounded by extensive edema involving subcortical polar and mesial temporal white matter. DWI documents no diffusion restriction within the enhancing areas with evident hyperintense areas in ADC map on both sides (b, c). Axial post contrast T1-weighted image (d) shows the presence of inhomogeneous contrast-enhancing lesions in mesial temporal regions both on the right and on the left. rCBV map (e) shows hyperperfusion of the left enhancing area and no hyperperfusion of the enhancing area on the right