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目的研究分析以中枢神经症状为首发的肺癌脑转移瘤的磁共振特征及诊断价值。方法收集研究组89例以中枢神经症状为首发的肺癌脑转移患者和对照组97例以呼吸症状为首发的肺癌脑转移患者行常规MR及增强检查,分别对转移瘤好发部位、瘤周水肿程度、转移瘤数目、强化方式程度及增强后病灶的显示效果进行对比、观察、分析。结果研究组相对于对照组在转移瘤好发部位,瘤周水肿程度及强化方式上存在差异,两组在增强后均更易发现平扫时未确切显示的新病灶,在转移瘤数目上两者不存在差异性。结论以中枢神经症状为首发的肺癌脑转移瘤与以呼吸系统症状为首发的肺癌脑转移瘤在MR诸多表现上存在差异,通过对此类转移瘤研究、观察分析,其特征表现可与其他病变相鉴别诊断。
Objective To study the characteristics and diagnostic value of magnetic resonance imaging of brain metastases of lung cancer with central nervous system as the first symptom. Methods Ninety-nine patients with brain metastases of brain cancer with central nervous symptoms as the first group and 97 patients with lung cancer with first-mentioned respiratory symptoms as control group underwent routine MR and enhanced examinations, respectively. The metastatic tumor sites, peritumoral edema Degree, the number of metastases, the degree of enhancement and enhance the display of lesion contrast, observation, analysis. Results There were differences between the study group and the control group in the location of metastatic tumor, the degree of peritumoral edema and the manner of enhancement. Both groups were more likely to find new lesions that were not exactly displayed during the scan, There is no difference. Conclusion There are differences in MR manifestations between brain metastases of lung cancer with central nervous symptoms and those with lung cancer with respiratory symptoms as the first symptom. By studying and observing the metastatic tumors, the characteristics of this metastasis may be related to other lesions Phase differential diagnosis.