Which of the following is not a feature of normal pressure hydrocephalus: September 2011: (A) Affects elderly usually, (B) Ventriculomegaly on imaging studies, (C) Measurement of CSF pressure may be normal, (D) Lesion is blockage of CSF pathways from the lateral to fouh ventricle
Answer is D. Ans. D: Lesion is blockage of CSF pathways from the lateral to fouh ventricle Although one-off measurement of CSF pressure may be normal the syndrome is thought to arise from impaired CSF absorption