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对１００例经手术病理证实之肺内良、恶性结节的临床、ＣＴ与病理表现进行了回顾性分析，结合文献复习对分叶、棘状突起、空气支气管征、血管连接及胸膜凹陷等征象的诊断价值进行评估，认为外围型肺癌的影像表现复杂多变，重视窗口技术，充分显示病灶细节，认准病理征象，综合分析诊断，可提高对肺良、恶性结节的诊断准确率。笔者提出以病灶直径分组分析，可缩小外围型肺癌的鉴别诊断范围。
The clinical, CT and pathological features of 100 cases of benign and malignant nodules in the lung confirmed by surgery and pathology were analyzed retrospectively. Combined with literature review, the signs of lobar, spinous process, air bronchogram, vascular connection and pleural indwelling were analyzed. The assessment of the diagnostic value, that peripheral imaging of lung cancer is complex and changeable, pay attention to window technology, fully show the details of the lesions, identify pathological signs, comprehensive analysis and diagnosis, can improve the accuracy of diagnosis of pulmonary benign and malignant nodules. The author proposes that the analysis of lesion diameters can reduce the differential diagnosis of peripheral lung cancer.