Figure 2From: Critical appraisal of RapidArc radiosurgery with flattening filter free photon beams for benign brain lesions in comparison to GammaKnife: a treatment planning studyThe isodose distribution for the four plans in axial, coronal and sagittal planes for a representative Meningioma case. Colorwash threshold is set between 5 and 18 Gy.Back to article page