undifferentiated spindle neoplasm
Histologic Features
- A proliferation of primitive spindle cells in the dermis
- Atypia of the neoplastic cells with variations of nuclei and hyperchromasia of the nuclei
- A highly cellular neoplasm with destruction of the adnexae
- No evidence of melanin production and connection with the epidermis
Updated Wednesday, July 31, 2013 8:30:48 PM