Figure 1

Preoperative MR images showing the left frontal tumor with lobulation, ventricle compression and midline shift. A: Axial view. The lesion appears hyperintense on T1-weighted images. B: Axial view. Hypointense signals are noted on T2-weighted image of the brain. C: Axial post contrast T1-weighted view. Contrast enhancement of the tumor. D: Sagittal view. Adhesion of the tumor to the meninges of the anterior cranial fossa (arrow) MR, magnetic resonance.