How many people suffer from pseudotumor cerebri?

1-2/100,000/yr: Each year, 1-2 out of 100, 000 people develop pseudotumor cerebri. Pseudotumor cerebri is more common among obese women between the ages of 15 and 44 years of age with perhaps 10 out of 100, 000 of them developing pseudotumor cerebri per year.

Pseudotumor cerebri: Pseudotumor cerebri is a relatively common neurologic illness and may be an important preventable cause of blindness in obese young women. As far as incidence i would imagine 1 per 100, 000 to as many as 13 in 100, 000 based on the abstracts.