Aneurysmal dilated midline venous pouch is noted representing dilated vein of Galen measuring 2.5 x 3.5 cm in maximum diameters. It is joining a normally situating straight sinus which is dilated measuring 1.2 cm, joining dilated torcular herophili from which extend extensively dilated straight and sigmoid sinuses.
Mild to moderate dilation of the supratentorial ventricles secondary to venous hypertension. Superior sagittal sinus is patent receiving extensively dilated cortical veins.
Bilateral prominent peri-optic nerve CSF spaces (Peri-optic hydrops) secondary to venous hypertension. Normal CT appearance of the eye globes, extra-ocular muscles, lacrimal glands, retrobulbar regions and peri-orbital soft tissues. No intra or extra-conal lesions could be detected. Normal dimensions of the optic canals. Intact orbital bony frame-works.