1. Anatomy of the Lateral Skull Base 2. Microscopic Approaches to Lateral Skull Base: Overview 3. Transcanal Endoscopic Dissection of Lateral Skull Base 4. Instruments and Operating Room Setup 5. Radiologic Assessment in Lateral Skull Base Surgery 6. Transcochlear and Transotic Endoscopic Assisted Approaches 7. Endoscopic Assisted Retrosigmoid Approach 8. Middle Cranial Fossa Approaches: Traditional Surgery and Endoscopic Assisted Procedure 9. Classification and Indications of Transcanal Lateral Skull Base Surgery 10. Endoscopic Transcanal Suprageniculate Approach 11. Transcanal Transpromontorial Approaches to the Internal Auditory Canal and the Cerebellopontine Angle 12. Endoscopic Assisted and Transcanal Procedures in Cochlear Implant 13. Endoscopic Transcanal Infracochlear Approach 14. Complications and Management in Lateral Skull Base Surgery