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.
FIG. 1. Case 3. There is 50% canal compromise at the L4 vertebra. The lateral radiograph (A) demonstrates the classic vertebra plana of the anterior vertebral body of L4. The bone scan (B) shows uptake of contrast at L4. CT (C) and MRI (D,E) images further demonstrate the degree of canal compromise at this level.
