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回顾性分析了１６３例原发性周围型肺腺癌的Ｘ线表现与误诊原因，其典型表现为肺内孤立性肿块或结节（１３９例，８５．２７％），直径小于４ｃｍ，边缘有小分叶和短细毛刺。弥漫小结节型和肺炎浸润样型虽所占比例不多，但误诊率较高。
Retrospective analysis of 163 cases of primary peripheral adenocarcinoma of the X-ray findings and misdiagnosis, the typical manifestations of pulmonary solitary lumps or nodules (139 cases, 85.27%), the diameter of less than 4cm, the edge of Small leaves and short thin burr. Diffuse nodules and infiltration of pneumonia, although the proportion of small, but the misdiagnosis rate is high.