(A) Medium power light photomicrograph of a nevoid melanoma, demonstrating striking hypercellularity and hyperchromasia in the dermal component. (B) High power light photomicrograph view of the same lesion. The neoplastic cells are hyperchromatic and pleomorphic. Note a readily observed mitosis in the center of the field (arrow).
Courtesy of Vincent Liu, MD, and April Wang Armstrong, MD.
