Fig. 1

Radiological features of the tumor. (A) A computerized tomodensitometry scan showed a slightly hyperdense heterogeneous cortical mass with calcifications in the left central sulcus. Bone scalloping was observed next to the tumor. Magnetic resonance imaging showed the mass to have high signal intensity on T2-weighted images (B), heterogeneous contrast enhancement (C), high signal intensity on diffusion weighted images (D) with intermediate apparent diffusion coefficient (E) and low cerebral blood flow by arterial spin labeling perfusion (F)