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) Multiple seborrheic keratoses with a Christmas tree pattern located on the trunk of 80 years-old women. b) Clinical detail of a nodular lesion on the right flank partly pigmented and intermingled between seborrheic keratoses. c) Dermatoscopy disclosing polymorphous vessels and irregular blotches. d) Histology showing a detail of the invasive melanoma and seborrheic keratosis-like features of the epidermis. (Hematoxylin and eosin stain; original magnification x100).
