Despite the name<unk> , the tumor<unk> s do not necessarily need to have<unk>  cytoplasm. The lesion has a distinctly nested growth pattern with a mixture of spindle, epithelioid and tumor giant<unk> s. Approximately two thirds of the tumors contain melanin pigment.<unk> , similar to melanoma, has consistent positivity for S-100, HMB-45, and MITF.
Clear cell sarcoma
Hemangiosarcoma
Adenomatoid tumor
Epithelioid sarcoma
Angiosarcoma
Alveolar soft part sarcoma
Fibrosarcoma
Sarcoma