Figure 3.
Harms C1 lateral mass screw technique (A) A screw–rod system is used, allowing preservation of the C2 nerve root. (B) The C2 nerve root passes through the “arch of the viaduct” of the screw–rod system.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.