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| Dandy-Walker Syndrome Dandy-Walker Malformation | Dandy-Walker Syndrome, Familial | Dandy Walker Malformation | Dandy Walker Syndrome | Dandy Walker Syndrome, Familial | Familial Dandy-Walker Syndrome | Malformation, Dandy-Walker | Syndrome, Dandy-Walker A congenital abnormality of the central nervous system marked by failure of the midline structures of the cerebellum to develop, dilation of the fourth ventricle, and upward displacement of the transverse sinuses, tentorium, and torcula. Clinical features include occipital bossing, progressive head enlargement, bulging of anterior fontanelle, papilledema, ataxia, gait disturbances, nystagmus, and intellectual compromise. (From Menkes, Textbook of Child Neurology, 5th ed, pp294-5) |