The expanded endonasal approach (EEA) uses the nose as a natural corridor to the base of the skull and brain. It provides direct access to many brain, pituitary and skull base tumors without the need for external facial or scalp incisions and with minimal disruption to nerves and other critical structures.

“Inside Out Surgery”

The goal of the expanded endonasal approach is to reach tumors and lesions from the inside out using precise surgical corridors – “inside out surgery.” It is like eating an apple from the core--leaving the key outer structures intact.  Surgeons place an endoscope (telescope) directly inside the nasal and sinus cavities creating an up- close, “flashlight” effect. This provides a panoramic, magnified view of the skull base and brain structures. Once a small window is created in the base of the skull, surgeons have a clear view of the tumor and it is removed through the nose. The EEA can be performed using either a fully endoscopic (telescope) or endoscope-assisted technique.

 The potential advantages of the expanded endonasal approach include:
     •   Reduced complication rate
     •   Less pain
     •   Improved recovery and outcomes

It is useful to think of the brain as a soft delicate structure like a sponge surrounded by a circle of fixed walls (the skull). The objective is to enter the skull with minimal disruption to critical tissues. Read More »