Abstract
The authors report a case of 66-year-old female with right epitaxis and swelling of the right cheek.
Pathological examination revealed nonepithelial malignant neoplasm.
After radiation therapy, the tumor was totally resected by upper gingival approach.
Pathological diagnosis was dedifferentiated chondrosarcoma, originating at the ala nasi.
Dedifferentiated chondrosarcoma has a high malignat clinical quality, and we could not resect the tumor radically.