[A case of maxillary neurosarcoma].

A case of neurosarcoma located in maxillary sinus is presented. The patient was 62 years old women who complained of nasal obstruction, epistaxis and headache. Results of physical examination showed a giant mass filling the nasal cavity and maxillary sinus. The lesion was completely resected by lateral rhinotomy way. After the operation histopathological diagnosis was difficult, one pathologist recognised schwannoma benignum other one sarcoma. Finally postoperative diagnosis was schwannoma benignum, it was misdiagnosis. Two years later the patient was surgically treated again because of tumor recurrence. These time pathological diagnosis was neurosarcoma. Radiotherapy was done as well. The patient died 18 months after treatment, tumor regrowth and generalization metastases was reason of the death.