Idiopathic intracranial hypertension (or Pseudotumor Cerebri)
Our brain and spinal cord normally sit in a bath of cerebrospinal fluid
(CSF). Due to abnormalities in the flow of CSF, the pressure of CSF can
build up (intracranial hypertension) to levels that are unsafe, causing
headaches,
pulsatile tinnitus, and possibly vision loss. In some patients with idiopathic intracranial
hypertension, venous sinus stenosis (narrowing) is also present inside
the skull and opening the stenosis with a stent can lead to improvement
in symptoms.