Osteosarcoma (OS) is the most primary tumor in the jaw, it is rare in maxillofacial region
rather than long bones, it make up about 6 to10% of all Osteosarcoma, Jaw OS affect
mandible more than maxilla, and usually present themselves in 3rd and 4th decade of life. there
are three type of Jaw OS Osteoblast, Chondroblast and Fibroblast.
We report a case of 45 years old women with facial asymmetry with chondroblast OS of the
left Maxilla, Tumor excision is performed twice with adjunctive Chemotherapy and
Radiation therapy in the second surgery, recurrent and local spread of the tumor in base of
skull was the cause of death.
Keywords: Osteosarcoma, Maxilla, Malignant, Tumor, Chondroblast

 

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