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目的：对肺癌的肺动脉供血进行临床研究。材料和方法：对４３例支气管肺癌进行选择性肺动脉ＤＳＡ，并对其结果进行回顾性分析。结果：肺癌表现为血管结构异常和肿瘤染色。其肿瘤染色范围／肿瘤面积＞５０％者３１例，占７２％，肿瘤染色范围／肿瘤面积＜３０％仅４例，占９％。结论：作者认为：１肺动脉参与肺癌的供血，并且是主要供血动脉之一；２供血情况与肿瘤侵犯肺动脉程度有关；３肺动脉ＤＳＡ对肺癌诊疗很有帮助。
Objective: To study the pulmonary arterial blood supply of lung cancer. Materials and Methods: Selective pulmonary artery DSA was performed on 43 patients with bronchial lung cancer, and the results were analyzed retrospectively. Results: Lung cancer showed abnormal vascular structure and tumor staining. The tumor staining range / tumor area> 50% were 31 cases, accounting for 72%, tumor staining range / tumor area <30% only 4 cases, accounting for 9%. Conclusion: The author believes that: 1Pulmonary artery is involved in the blood supply of lung cancer, and it is one of the main blood supply arteries. 2The status of blood supply is related to the extent of tumor invading the pulmonary artery. 3Pulmonary arterial DSA is very helpful for the diagnosis and treatment of lung cancer.