acral lentiginous melanoma
Histologic Features
- A thick stratum corneum of the volar skin containing pigmented melanocytes
- A proliferation of polygonal and spindle melanocytes throughout the entire thickness of the epidermis
- Confluence of nests to form necrotic lobules
- Sheets of tumor cells in the dermis
- Lack of maturation with descent
Updated Wednesday, July 31, 2013 8:30:48 PM