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目的分析研究纵隔型肺癌的影像学表现特征,提高对纵隔型肺癌的认识。方法回顾性分析36例经病理证实的纵隔型肺癌的临床、X线及CT资料,着重分析肿块的位置、大小、边缘特征、肺内改变以及与纵隔的关系。结果36例纵隔型肺癌的肿块紧贴纵隔生长或大部分位于纵隔内,多呈圆形或椭圆形。其中27例位于上纵隔,6例位于中纵隔,3例位于前、中纵隔边缘。临近支气管常有狭窄或闭塞。23例短毛刺,31例分叶,14例原发癌肿与肺门及纵隔肿大淋巴结融合成块。病理类型鳞癌22例,小细胞癌9例,腺癌3例,大细胞癌2例。属于中央型肺癌19例,周围型肺癌24例,隐匿型肺癌3例。结论纵隔型肺癌生长与纵隔关系密切相关,但大多仍具有肺癌的临床表现及影像学特征。CT在鉴别诊断中更有价值。
Objective To analyze the imaging features of mediastinal lung cancer and to improve the understanding of mediastinal lung cancer. Methods The clinical, radiographic and CT data of 36 pathologically confirmed mediastinum lung cancer cases were retrospectively analyzed. Emphasis was placed on the location, size, marginal features, intrapulmonary changes and the relationship with the mediastinum. Results Thirty-six cases of mediastinal lung cancer grew close to the mediastinum or most of them were located in the mediastinum, mostly round or oval. Of these, 27 were located in the mediastinum, 6 in the mediastinum, and 3 in the anterior and medial mediastinum. Near the bronchial stenosis or occlusion. 23 cases of short burr, 31 cases of lobulation, 14 cases of primary cancer and hilar and mediastinal lymph nodes merge into lumps. Pathological type squamous cell carcinoma in 22 cases, 9 cases of small cell carcinoma, adenocarcinoma in 3 cases, 2 cases of large cell carcinoma. 19 cases of central lung cancer, 24 cases of peripheral lung cancer, occult lung cancer in 3 cases. Conclusion The growth of mediastinal lung cancer is closely related to the mediastinum, but most of them still have the clinical manifestations and imaging features of lung cancer. CT in the differential diagnosis more valuable.