Abstract：
Primary meningeal osteosarcoma is rare. The aim of this report is to investigate the symptoms, imaging data, pathological diagnosis, and treatment of primary meningeal osteosarcoma. A 54-year-old male patient was admitted to hospital because of numbness and weakness in the right limb, accompanied by dizziness and chest tightness. The CT and MRI examination of the patient showed multiple irregular mixed density mass signal shadows. After preliminary examinations and tests, meningioma was considered. After surgical resection, the mass was sent for pathological examination, and primary meningeal osteosarcoma was finally diagnosed. The patient did not receive radiotherapy and chemotherapy and died 7 months later. Primary meningeal osteosarcoma is a rare and easily misdiagnosed disease. There is no test that is specific enough up to now, so the correct diagnosis can only be determined by a histopathological examination. At present, there are no clear drug, radiotherapy, and chemotherapy guidelines for the treatment of this disease in addition to surgery, and the prognosis is poor.
摘要：
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