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
Answer is D. Hydrocephalus is seen with Type II Chiari Malformation, not Type I.