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恶性肿瘤颅内转移是恶性忡癌致命的合并症。文献上所报告的转移性脑肿瘤发病率波动很大,Lesse等在癌病人尸检中发现转移到中枢神经系统和脑膜占35％,而Abrams等在1000例癌病人尸检中仅17.6％有颅内转移。Deck报告122例恶性肿瘤57例(47％)有脑转移。在脑肿瘤中,脑转移瘤约占4.1～26.3％。
Intracranial metastasis of malignant tumors is a fatal complication of malignant tumors. The incidence of metastatic brain tumors reported in the literature fluctuates widely. Lesse et al. Found 35% of the metastases to the central nervous system and meninges in an autopsy of cancerous patients, whereas only 17.6% of Abrams et al. Transfer. Deck reported 57 cases (47%) of 122 malignant tumors with brain metastases. In brain tumors, brain metastases account for about 4.1 ~ 26.3%.