This illustration describes the anatomy of the spine and surrounding tissue of patients with this condition.

The treatment for hydrocephalus is to implant a shunt into the expanded ventricle and drain the fluid into the abdomen.

This video from The Children's Hospital of Philadelphia details the condition known as Moya Moya. The series of illustrations seen at minute 3:27 describes the anatomy and surgical procedure. 

A Hemispherectomy is the surgical procedure in which one side of the brain is mostly removed. This procedure is used to treat the most extreme types of epilepsy.