Table 2.
Screw complications and bicortical purchase
Bp : bicortical purchase, Ni : nerve injury, Vi : vertebral artery injury, Fv : facet joint violation
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.