|Skull base surgery is a subspecialty of neurosurgery that combines traditional neurosurgical techniques for access to the brain with techniques adapted from various other disciplines such as Ear, Nose, and Throat surgery (ENT surgery), and maxillofacial surgery ( surgery of the facial and orbital bones). The purpose of skull base surgery is to provide better access to disease processes at the base of the brain. The goal is to maximize the surgical exposure to the disease process and to minimize the manipulation of the normal brain. The more common diseases that affect the structures at the base of the brain are cerebral aneurysms, and brain tumors such as acoustic neuromas, craniopharyngiomas, pituitary tumors, and meningiomas.