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.
2D (A and B) and 3D (C) CTC images show beam-hardening artifact related to the left hip prosthesis, which streaks across the rectum and partially obscures a large rectal polypoid lesion (arrowheads), which proved to be a villous adenoma. Newer reconstruction techniques should help to minimize this artifact.
