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目的：通过孤立性肺结节（ＳＰＮ）与周围血管的ＣＴ─病理对照观察，试图对ＳＰＮ的鉴别提供帮助。结果：手术病理证实良性 ＳＰＮ ３２例，恶性 ４８例； ＳＰＮ血管集束征的总出现率为 ８５％，其中恶性肺结节血管累及率％％，良性７２％。肺结节与血管的关系可归纳成五种基本类型，各种类型在良恶性结节中的出现概率有明显差别。对引向结节的血管直径测量，结果引向每个癌结节的血管总直径平均为５ｍｍ，明显大于良性结节（２ｍｍ），其中引向肺癌结节的单根血管直径大多超过３ｍｍ。结论：薄层ＣＴ能很好显示肺结节与血管的关系。
OBJECTIVE: To investigate the identification of SPN by observing CT-pathology of solitary pulmonary nodules (SPNs) and peripheral blood vessels. Results: Thirty-two cases of benign SPN were confirmed by surgery and pathology, 48 cases were malignant. The total appearance of SPN was 85%. The incidence of malignant pulmonary nodules was %% and benign 72%. The relationship between pulmonary nodules and blood vessels can be summarized into five basic types, various types of benign and malignant nodules in the probability of significant differences. Measurement of vessel diameter leading to nodules led to an average of 5 mm in total vessel diameter leading to each nodule, which was significantly larger than that of benign nodules (2 mm), with the single vessel leading to lung nodules mostly exceeding 3 mm in diameter. Conclusion: Thin-section CT can well show the relationship between pulmonary nodules and blood vessels.