Headaches In comparison with the prior examination no evidence of any interval change in the size of the lateral ventricles which contain a right-sided ventricular catheter is noted. The fourth ventricle is not visualized and also remains similar to prior exam. Widening of the posterior fossa at the level from in magnum and low positioning of the cerebellar tonsils (left greater than right) is consistent with Chiari malformation. All these findings remain stable since prior exam. There are no prior MRI examination.
Stable CT of brain since prior examination from 2007.