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.
(A) Clinical image of a well-differentiated squamous cell carcinoma (keratoacanthoma-like) on the nose of a patient with sun-damaged skin. (B) Dermoscopy shows a symmetric lesion with a central ulceration, surrounded by hairpin vessels with a whitish halo in a crown distribution.
