Abstract
Tumours of the anterior skull base require a multispecialty approach for adequate resection and reconstruction. Panoramic access to the anterior skull base is frequently required for massive tumours that traverse this region and invade the complex anatomy of the craniofacial compartment. The Le Fort I osteotomy with maxillary down-fracture is one of the well-explained trans-facial approaches to gain access to anterior skull base. This approach significantly improves visualization of the central skull base and also the infratemporal fossa when the posterior wall of maxillary sinus and the pterygoid plates are removed.
Highlights
The skull base is a complex anatomical floor of the cranial cavity, which separates the brain from other structures in the vicinity such as the orbit, nasal cavity and the sinuses and harbours significant neurovascular structures entering and exiting through it
We will review the anatomy of the anterior skull base, the operative procedure of surgical exposure with the Le Fort I osteotomy, its advantages and complications
Panoramic access to the anterior skull base is frequently required for massive tumours that traverse the anterior skull base and invade the complex anatomy of the craniofacial compartment
Summary
The skull base is a complex anatomical floor of the cranial cavity, which separates the brain from other structures in the vicinity such as the orbit, nasal cavity and the sinuses and harbours significant neurovascular structures entering and exiting through it. We will review the anatomy of the anterior skull base, the operative procedure of surgical exposure with the Le Fort I osteotomy, its advantages and complications. The Lе Fort І osteotomy which is popularly used as a standard technique for maxillary repositioning in orthognathic procedures, was initially performed by Langenbeck [1] and later on by Cheever [2] to access tumours in the skull base.
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