craniofacial extraskeletal osteosarcoma

Since 1930, 117 patients with well-documented osteogenic sarcoma of the skeleton and the soft tissues occurring in patients older than 60 years have been diagnosed and treated at Memorial Hospital for Cancer and Allied Diseases. This number represents approximately 10% of all osteogenic sarcomas treated at this Medical Center. Slightly more men than women (68 versus 49, respectively) were affected, with a mean and a median age of 68 and 66 years, respectively, ranging from 60 to 86 years of age. One hundred one lesions occurred in the skeleton and 16 in extraosseous sites...