Figure 4. shows replaced suboccipital bone in one of the craniotomy patients with intact C1-C2

From

Modified Surgical Technique for Chiari Malformation

Ali Mahad Musallam Al-Mashani, Neeraj Salhotra, Azmat Ali, Aziz Haris, Rashid M Khan, Naresh Kaul

American Journal of Medical Case Reports. 2016, 4(6), 193-197 doi:10.12691/ajmcr-4-6-3