It is speculated that some cases of<unk>  arise from remnants of epithelial tissue left behind after the development of the teeth and related structures. Other times, it may be caused by a benign odontogenic cyst becoming malignant, or a pre-existing ameloblastoma.
Ameloblastic carcinoma
Myeloid sarcoma
Gastroblastoma
Pyomyoma
Myosarcoma
Malignant histiocytosis
Trophoblastic neoplasm
Rhabdomyosarcoma