Fig. 4.
A, Hemorrhagic ulcerations affecting the upper and lower lip vermilions. B, Painful “aphthous-like” necrotic ulceration affecting the right lower lip 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.