title: Primary Ewing's sarcoma of the mandibular ramus: a case report.
abstract: Primary Ewing's sarcoma of the mandible is an exceedingly rare finding in the practice of otolaryngology. A case of this neoplasm occurring as a parotid mass is presented. It represented a diagnostic dilemma because of its elusive histopathologic findings. The gross and clinical appearances, microscopic findings, differential diagnosis, and prognosis of this neoplasm are discussed.
mesh_terms: D008949:Adenoma, Pleomorphic / Q000473:pathology; D000328:Adult; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D008335:Mandibular Condyle / Q000000981:diagnostic imaging; D008339:Mandibular Neoplasms / Q000473:pathology*; D010307:Parotid Neoplasms / Q000473:pathology; D010309:Parotitis / Q000473:pathology; D011859:Radiography; D012512:Sarcoma, Ewing / Q000473:pathology*