Hyaline septal cyst, also known as fifth ventricle, is a congenital variant, there is no need for surgery, many people have it, and as long as there is no hydrocephalus and no obvious symptoms, it does not need to be treated.
There are many causes of headaches, besides the brain itself, discomfort in other parts of the body can also cause headaches, as well as mental tension, high stress in study, work and life, lesbian menstruation, changes in the weather, sleep at night, etc. All of these can cause headaches.