Fig. 10From: Dural masses: meningiomas and their mimicsGlioblastoma. a, b Pre- and post-contrast sagittal T1-weighted MR images showing a vascular and heterogeneously enhancing lesion with areas of internal necrosis and haemorrhage. c T2-weighed axial MR image of the same lesion showing internal flow voids, an apparent thin CSF cleft and a small amount of perilesional oedema. d Selective right internal carotid artery angiogram demonstrates a highly vascular mass with multiple abnormal and aneurysmal vessels (performed pre-embolisation)Back to article page