Figure 1: T2-weighted coronal, (a) three-dimensional time of flight (3DTOF) arterial magnetic resonance (MR) image and (b) 3DTOF venous MR imaging (c and d) about 3 × 3 cm size flow void in left fronto-parietal lobe suggestive of venous aneurysm, which is fed by single arterial feeder from left middle cerebral artery and drained by two predominant dilated venous channels to superior sagittal sinus