Not true regarding Dandy-Walker cyst:: (A) Cerebellar vermis hypoplasia, (B) Hydrocephalus, (C) Arachnoid cysts, (D) Posterior fossa cyst
Answer is C. Characteristic Triad of Dandy Walker : * Hypoplasia of Vermis * Cephalad Rotation of Vermian remnant and Cystic Dilation of Fouh Ventricle extending posteriorly * Enlarged Post Fossa with Torcular Lambdoid inversion