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评价脑转移瘤的CT诊断。方法：回顾分析51例脑转移瘤的CT表现。结果：CT能显示肿瘤的数目、部位及侵犯范围，转移瘤具有一定特征性。结论：CT能较准确地诊断脑转移瘤。
Evaluation of brain metastases CT diagnosis. Methods: The CT findings of 51 cases of brain metastases were retrospectively analyzed. Results: CT can show the number of tumor, location and scope of invasion, metastases have some characteristics. Conclusion: CT can diagnose brain metastases more accurately.