metastatic malignant melanoma
Histologic Features
- A small (less than 6 mm), symmetrical and well-circumscribed lesion with
- No epidermal involvement
- Sheets of atypical melanocytes in the dermis with poor formation into nests
- Mitotic figures at all levels
- Neoplastic cells within lymphatics
- Splaying of neoplastic cells between collagen bundles
- Clear absence of inflammatory infiltrate
- Prominent neurotropism
Updated Wednesday, July 31, 2013 8:30:48 PM