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目的：收集我院10年来经手术或／和病理证实的细支气管肺泡癌40例，对其CT表现及病理切片进行分析，发现肺泡癌的CT表现多种多样，是肿瘤不同发展阶段的反映。文中以CT表现结合病理所见进行了分析，解释了不同CT表现的病理基础。结合文献，笔者对细支气管肺泡癌的CT诊断与鉴别诊断进行了讨论。
OBJECTIVE: To collect 40 cases of bronchioloalveolar carcinoma confirmed by surgery or/and pathology in our hospital in the past 10 years. Analysis of CT findings and pathological sections revealed that CT findings of alveolar carcinoma are diverse and reflect the different stages of tumor development. The analysis of CT findings combined with pathological findings was performed to explain the pathological basis of different CT findings. Combined with the literature, the authors discussed CT diagnosis and differential diagnosis of bronchioloalveolar carcinoma.