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Figure 1: Magnetic resonance angiography shows the dilated right internal carotid artery, right middle cerebral artery, external carotid artery, bilateral anterior cerebral artery, basilar artery and dilatation, and opacification of cortical and medullary venous channels. The transverse and sigmoid sinuses are hugely dilated along with dilated torcula, vein of Galen, superior sagittal sinus, internal cerebral vein, straight sinus, and superior ophthalmic vein extending into the cavernous sinus

Figure 1: Magnetic resonance angiography shows the dilated right internal carotid artery, right middle cerebral artery, external carotid artery, bilateral anterior cerebral artery, basilar artery and dilatation, and opacification of cortical and medullary venous channels. The transverse and sigmoid sinuses are hugely dilated along with dilated torcula, vein of Galen, superior sagittal sinus, internal cerebral vein, straight sinus, and superior ophthalmic vein extending into the cavernous sinus