This Video is a part of the weekly educational lectures organized by the Asian Congress of Neurological Surgeons. This video contains two educational lectures. In the first lecture, Prof.Doo-Sik Kong from South Korea talks about the Transorbital Approach to Skull Base. In the second lecture, Dr.Mohammad Azman Rafiq from Malaysia talks about Surgical planning, Techniques, and Complications of AVM surgery. Copying any part of the video for personal use without the permission of the Asian Congress of Neurological Surgeons will be regarded as a copyright violation and will be legally dealt with.