Surgery 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 π‘ Explanation All of the following are true about Arnold Chiari Malformation Type I except: β Correct Answer: D. Associated with hydrocephalus