balloon cell melanoma
Histologic Features
- A broad asymmetrical poorly circumscribed lesion
- Ulceration and crusting of the surface
- A proliferaton of monomorphous melanocytes with clear cytoplasm and small uniform nuclei
- Sheets of balloon cells in the dermis
- Little nuclear atypia
- Absence of melanin
- An infiltrate of lymphocytes and plasma cells at the base
Updated Wednesday, July 31, 2013 8:30:48 PM