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本文分析１００ 例肺癌脑转移的 Ｃ Ｔ 表现。１００ 例中以不同程度的肺部症状起病９０ 例，体检发现肺癌５ 例，５例脑转移瘤确诊先于肺癌。本组中有神经系统症状５８ 例，并发其它脏器转移２４ 例。 Ｃ Ｔ 表现多发灶５６ 例，单发灶４４ 例。病灶以顶叶分布为多，其次为额叶。形态表现分四类：均匀增强结节型、不均匀增强型、囊性低密度型和环样增强型。病灶周缘伴轻度水肿４３ 例，中度水肿２５ 例，重度水肿１１ 例，无水肿２１ 例。本文结果提示肺癌患者治疗前常规行脑 Ｃ Ｔ 扫描可以早期发现脑转移灶，对临床正确分期和治疗方案选择有重要意义。
This paper analyzes the C T performance of brain metastases from 100 patients with lung cancer. Among the 100 cases, 90 cases had different degrees of onset of pulmonary symptoms. Physical examination revealed 5 cases of lung cancer. 5 cases of brain metastases were diagnosed prior to lung cancer. This group had 58 cases of neurological symptoms and 24 cases of other organ metastases. C T showed multiple lesions in 56 cases and single lesions in 44 cases. The lesions were distributed in the parietal lobe, followed by the frontal lobe. There are four types of morphological manifestations: uniform enhanced nodular type, heterogeneous enhanced type, cystic low density type, and ring-like enhanced type. The lesions were accompanied by mild edema in 43 cases, moderate edema in 25 cases, severe edema in 11 cases, and no edema in 21 cases. The results of this study suggest that conventional brain CT scan before treatment can be used to detect brain metastases early in patients with lung cancer, which is of great significance for clinical correct staging and treatment options.