Review Note

What is the general differential approach to a spindle cell neoplasm (examples)?
1. {{c4::Muscle}} ({{c4::leiomyoma}}, {{c4::leiomyosarcoma}}, {{c4::rhabdomyosarcoma}}).
2. {{c5::Nerve sheath}} ({{c5::neurofibroma}}, {{c5::schwannoma}}, {{c5::MPNST}}).
3. {{c6::Vascular}} (e.g. {{c6::angiosarcoma}}, {{c6::Kaposi}}, {{c6::epitheloid hemangioendothelioma}}).
4. {{c7::Myofibroblastic}} ({{c7::fibromatosis}}, {{c7::nodular fascitis}}, {{c7::inflammatory myofibroblastic tumor}}).
5. {{c8::Fibohistiocystic}} ({{c8::dermatofibroma}}, {{c8::dermatofibrosarcoma protuberans}}).
6. {{c9::Adipocytic}} ({{c9::dedifferentiated liposarcoma}}).
7. {{c3::Spindle cell carcinoma}}.
8. {{c2::Spindle cell melanoma}}.
9. Other ({{c1::GIST}}, {{c1::solitary fibrous tumor}}, {{c1::synovial sarcoma}}).