Fig. 5.

Three-dimensional rendering of two segmented tumour volumes. a, b Patient from Fig. 3, a 53-year-old woman with a meningioma grade II in the left frontal lobe with wide dural attachment. c, d, e A 33-year-old man with a grade I meningioma of the falx with great tumour volume in both frontal lobes and surrounding oedema in the adjacent white matter. Dice coefficients were 0.89 for TTV and 0.92 for T1CE TV. a and c FLAIR images; d T1CE MR image. b and e Three-dimensional rendering of the two meningiomas; contrast-enhancing tumour parts are displayed in purple and surrounding oedema in white and blue