Fig. 5

Operative technique of infratentorial DC. Artist’s rendition of a human head (a) with a typical incision line for suboccipital DC (gray line). 3D reconstruction of a human skull (b) demonstrating burr holes (gray circles), craniectomy, and removal of the posterior arch of the atlas (gray areas) as well as typical dural incision (red lines). 3D reconstruction of a human skull (c) with a typical suboccipital DC skull defect