Glioma

Gliomas (gliomas) account for about 46% of intracranial tumors. According to statistics summarized in the 1996 Third (Sydney) International Cancer Control Conference, the incidence of gliomas is 3 to 10 100,000, accounting for 1% to 3% of systemic malignant tumors, and the average survival time of surgery plus chemoradiation is only 8-11 months. Glioblastoma has the highest incidence in brain tumors, and the peak age of comprehensive onset is 30-40 years, or 10-20 years. Glioma in the cerebral hemisphere accounts for about 51.4% of all gliomas, with astrocytomas as the largest, followed by gliomas and oligodendroglioma, and the ventricular system is also the site of more glioma , Accounting for 23.9% of the total number of gliomas, mainly meningiomas, medullary tumors, astrocytomas, cerebellar gliomas account for 13% of the total number of gliomas, mainly astrocytomas.