Arnold-Chirai malformation type II is congenital disorder which consists of downward displacement into upper cervical spinal canal of parts of the cerebellum, 4th ventricle, and medulla oblongata. We experienced two cases of Arnold-Chiari malformation with lumbar meningomyelocele, hydrocephalus. We confirmed the cases by brain C-T and report with brieft review of the lilterature.
Arnold-Chiari Malformation* ; Brain ; Cerebellum ; Congenital, Hereditary, and Neonatal Diseases and Abnormalities ; Hydrocephalus ; Medulla Oblongata ; Meningomyelocele ; Spinal Canal