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.
Nasal endoscopy images demonstrating nasal cavity mucosal telangiectasias in the (A) right and (B) left nasal cavities under white light and the (C) right and (D) left nasal cavities under narrow band imaging, consisting of 415 nm blue light and 540 nm green light, allowing improved visibility of blood vessels.
