Surgery General 9e3d5c34 All of the following are true about Arnold Chiari Malformation Type I except: A Displacement of cerebellar tonsils (>5mm) into cervical canal B Neck pain and spasticity present C Syringomyelia can be present D Associated with hydrocephalus High-Yield Explanation Hydrocephalus is seen with Type II Chiari Malformation, not Type I.