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本文对4,541例中枢神经系统肿瘤进行了分析。其中颅内肿瘤为3,977例,占87.5%,脊管内肿瘤564例,占12.5%。各种颅内和脊管内肿瘤的频发率分别
In this paper, 4,541 cases of central nervous system tumors were analyzed. The number of intracranial tumors was 3,977 (87.5%), and the number of tumors in the spinal canal was 564 (12.5%). A variety of intracranial and spinal canal tumors were frequent