Surgery for nerve tumors in general and foramen ovale meningioma surgery in particular by opening the skull is a sophisticated operation requiring a high level of expertise, which must be carried out according to the correct procedure and closely monitored post-operatively.

Sitting neurosurgery began to be noticed and developed after 1914, but it was not until the appearance of the operating microscope in neurosurgical practice, inhalation anesthetics and muscle relaxants, and modern monitoring devices that the complexity of surgeries in the sitting position was actually partly resolved. However, because it is an uncommon position in surgery, anesthesia for brain tumor surgery in the sitting position also has certain risks and benefits.