Skip to main content
. 2007 Nov 16;18(1):29–47. doi: 10.1055/s-2007-994292

Figure 5.

Figure 5

Here, the extent of naso-orbital osteotomies for a level II transbasal approach varies depending on the surgical need. (A) The entire orbital rim and nasal bone are included. (B) The osteotomy line is indicated as a dashed line traversing the frontal fossa and facial structures. (Reprinted from Lawton MT, Beals SP, Joganic EF, Han PP, Spetzler RF. The transfacial approaches to midline skull base lesions: a classification scheme. Operative Techniques in Neurosurgery 1999;2:1–18, with permission from Elsevier.)