DEVELOPMENTAL TUMOR OF THE VISUAL PATHWAYS - REPORT OF AN UNUSUAL CASE

An unusual case of congenital hydrocephalus and visual Loss due to dev elopmental tumour of optic pathways is described. Diffuse. uniform and symmetrical replacement and enlargement of optic nerves, chiasma and optic tracts resulted in remarkable computerized tomographic (CT) scan images not yet described in the literature. Embryo-pathogenesis of th is anatomical configuration of the neoplasm outlining the enlarged vis ual pathways in their entirety is discussed. The relevant literature i s reviewed.