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.
External photos of flexural skin biopsy site. a Subtle areas of speckled dermal hyper- and hypopigmentation outlined by surgical marking (purple) at the biopsy location. b Magnification of focal skin lesions outlined by surgical marking (purple) without classic pseudoxanthomatous lesions.
