Postirradiation Osteosarcoma of the Maxilla: A Case Report and Current Review of Literature Chabchoub I et al. - The authors report a case of radiation-induced osteosarcoma involving the maxilla in a patient treated with radiotherapy for nasopharyngeal carcinoma 14 years ago. Despite neoadjuvant chemotherapy, surgical treatment could not be performed, and the patient received palliative chemotherapy. [more...]