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.
CT guided neck (A), chest (B) and lumbar (C) puncture (three-dimensional imaging shows that the needle tip is located outside the intervertebral foramen).
Note: The red arrow indicates the current position reached by the puncture needle, and the blue arrow indicates the intervertebral foramen.
