Anatomy of the Skull Base and Related Structures: Elements of Surgical Anatomy
2 Anatomy of the Skull Base and Related Structures: Elements of Surgical Anatomy Skull Definitions The skull has two components: Neurocranium (“braincase”): houses the brain. Splanchnocranium (or viscerocranium): formed by…
Posterior Skull Base Surgery
22 Posterior Skull Base Surgery Posterior Skull Base Review the anatomy of the posterior fossa and cerebellopontine angle (CPA) in Chapter 2 and see Fig. 2.9, page 30. Surgical conditions…
Transcranial Approaches to the Skull Base
14 Transcranial Approaches to the Skull Base 14.1 Presurgical Considerations Regarding the Approach When deciding on a surgical approach to the skull base, the surgeon must consider the lesion, the…
Extracranial Tumors Involving the Skull Base
23 Extracranial Tumors Involving the Skull Base Skull base tumors comprise a variety of different pathologies whose management requires a multidisciplinary approach. Although intracranial tumors may initially present to the…
Endoscopic Transsphenoidal Approaches
16 Endoscopic Transsphenoidal Approaches Indications 1. Tumors and lesions involving the sella, parasellar regions, and suprasellar region 2. Lesions in the frontal fossa, clivus, petrous apex, and foramen magnum (extended…
Middle Skull Base Surgery
21 Middle Skull Base Surgery 21.1 Meningiomas Involving the Sphenoid Bone General Information Incidence Meningiomas involving the sphenoid bone account for 11 to 18% of all intracranial meningiomas.1–3 Definitions and…
The Role of Radiation Therapy in Skull Base Pathologies
30 The Role of Radiation Therapy in Skull Base Pathologies Introduction to Radiation Therapy Background • Radiation induces double-strand breaks within DNA to kill tumor cells. • Normal tissues have…
