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.
Mast cells are increasingly immunopositive for CD30L in the BCC lesion. The lesional BCC (a) and healthy-looking skin (c) sections were first stained enzymehistochemically for tryptase. After photographing, the red azo stain was dissolved away and the same sections were stained immunohistochemically for CD30L (b, d). Note that mast cells are one predominant cell type displaying CD30L immunoreactivity in the BCC lesion and healthy-looking skin (arrows)
