title: Osteosarcoma: an example of the thickended periodontal ligament space.
abstract: A case of osteosarcoma which displayed a widened PDL space in a dental radiograph was presented. Other causes for thickening of the PDL were reviewed and differentiated from the features seen in osteosarcoma.
mesh_terms: D000328:Adult; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008339:Mandibular Neoplasms / Q000150:complications* / Q000000981:diagnostic imaging; D012516:Osteosarcoma / Q000150:complications* / Q000000981:diagnostic imaging; D010510:Periodontal Diseases / Q000000981:diagnostic imaging / Q000209:etiology; D010513:Periodontal Ligament / Q000000981:diagnostic imaging; D011859:Radiography