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目的：肺泡癌的影像表现多种多样，易误诊，为提高认识，探讨其影像表现特点。方法：收集多家医院2004年—2016年54例，经病理证实为肺泡癌36例，均有X线胸片两次以上、CT1—2次、支气管造影3例及15例支气管镜检查。结果：首次胸片误诊36例、CT误诊12例。经胸片及CT片共同分析考虑支气管肺泡癌28例。根据影像表现分为五型：1、粟粒型；2、单发结节型；3、多发结节型；4、肿块型；5、肺炎型。其中肺炎型误诊率最高。结论：各型支气管肺泡癌表现各有其特点，全面分析，及时复查有望提高正确诊断率，减少误诊率。“,”Objective: the imaging findings of alveolar carcinoma varied, misdiagnosed, in order to improve the understanding of its imaging features. Methods: to collect a number of hospitals from2004 to201654 cases of pathologically confirmed36 cases of pulmonary carcinoma, had chest X-ray two times, CT12 times,3 and15 cases of bronchial angiography cases of bronchial endoscopy. Results: the first chest X-ray misdiagnosis in36 cases,12 cases of misdiagnosis. CT by chest X-ray and CT joint analysis considering28 cases of bronchial alveolar cell carcinoma. According to the imaging fndings were divided into fve types:1, miliary nodules;2,3; multiple nodular type;4, mass;5, pneumonia Among them, the misdiagnosis rate of pneumonia is the highest. Conclusion: each type of bronchial alveolar carcinoma has its own characteristics. It is expected to improve the correct diagnostic rate and reduce the misdiagnosis rate in time.