Immunohistochemical staining Neoplasm CD34 Stromelysin-3 Factor XIIIa<unk>  - + +<unk> rcoma protuberans + - -
Dermatofibroma
Blue nevus
Acral fibrokeratoma
Melanoma
Trichoepithelioma
Angiokeratoma
Chondroid syringoma
Dermatofibrosarcoma protuberans