Figure 1.

Plain computerized tomography of the brain reveals subarachnoid hemorrhage in interhemispheric fissure with right frontal hematoma and extension of the hematoma in the right lateral ventricle and third ventricle (a). Computerized tomography angiogram of the brain revealed single, giant, bilobed, saccular aneurysm in the interhemispheric fissure at the genu of corpus callosum (b). The aneurysm is arising from the bifurcation of distal azygos A2 segment with the teat directed anteriorly and to the left (b-d)