Fig. 1.
Endoscopic pictures. 1A) Large clean-base ulcers. 1B) Single longitudinal ulcer at sigmoid colon resembling the single stripe sign in ischemic colitis. 1C) Severely inflamed mucosa
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.