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目的：旨在提高对腺癌肺转移的认识。方法：本文收集经病理证实和ＣＴ资料完整的腺癌肺转移瘤７７例，对其进行了ＣＴ和ＨＲＣＴ分析。结果：腺癌肺转移具有肺小叶间隔增厚不光滑，有网状、串珠样改变。支气管－血管束增粗不光滑，双肺或一侧肺叶、肺段多发的结节，沿肺小叶间隔、小叶间隔旁、支气管－血管束周围、叶裂和胸膜下，广泛分布。多数同时伴有肺门、纵隔淋巴结增大，胸膜转移等征象。结论：肺小叶间隔、支气管－血管束、结节、肺门、纵隔和胸膜异常等征象相互组合是腺癌肺转移的特征性表现。
Purpose: To improve the understanding of lung metastasis of adenocarcinoma. Methods: Seventy-seven cases of adenocarcinoma lung metastases confirmed by pathology and CT data were collected and analyzed by CT and HRCT. Results: Pulmonary metastasis of adenocarcinoma with pulmonary lobular septum thickening is not smooth, with reticular, bead-like changes. The bronchi-vascular bundles are thick and not smooth, with multiple nodules in both lungs or in one lung and lung segments. They are widely distributed along the pulmonary lobular septum, beside the interlobular septum, broncho-vascular bundles, and fissures and subpleura. Most were accompanied by hilar, mediastinal lymph node enlargement, and signs of pleural metastasis. CONCLUSIONS: Pulmonary lobular septae, broncho-vascular bundles, nodules, hilar, mediastinal, and pleural abnormalities combine with each other to characterize the lung metastases of adenocarcinoma.