“…86,91,92 An important radiologic feature of osteosarcoma of the jaws is symmetric widening of the periodontal membrane space that may also be associated with loss of the lamina dura (see Fig. 89,91,92 The histologic type has varied in different series, with some reporting a predominance of osteoblastic tumors 91,94 and others reporting a chondroblastic 86,89,92 or fibroblastic 28 predominance. Although not specific for osteosarcoma, its occurrence is suggestive of an aggressive process.…”