A 47-year-old woman develops Parinauds syndrome (vertical gaze palsy) and an MRI shows a large tumor of her pineal gland. The tumor is not only compressing her tectum, causing the vertical gaze palsy, but also obstructing the underlying cerebrospinal fluid pathway causing progressive noncommunicating hydrocephalus. The obstruction causes immediate accumulation of cerebrospinal fluid in which of the following?
cerebral aqueduct of Sylvius
fourth ventricle
lateral ventricle
subarachnoid space
third ventricle
31 мар 2024
