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目的 探讨在胸部CT图像上应用1997 AJCC—UICC胸内淋巴结分组的方法。方法 10例患者(淋巴瘤5例,结节病2例,转移性淋巴肿3例)均有胸部CT扫描。所见的胸内淋巴结用1997 AJCC-UICC方法进行分组。结果 应用1997 AJCC-UICC淋巴结分组方法在胸部上划分8个层区。Ⅰ第6颈椎上缘至肺尖包括锁骨上和斜角肌组;Ⅱ肺尖至无名静脉横行段包括IR/L和3A/3P组;Ⅲ无名静脉横行段至主动脉弓上缘包括2R/L和3A/3P组;Ⅳ主动脉弓上缘至主肺动脉窗包括4R/L、5和6组;Ⅴ主肺动脉窗至左肺动脉包括4R/L、5、6和10R/L组;Ⅵ左肺动脉至隆突包括4R/L、5、6和10R/L组;Ⅶ隆突下3cm以内包括7和10R/L组;Ⅷ隆突下3cm至膈上包括8R/L和9R/L组。在肺尖至膈上各层面肺内为11—14R/L组。结论 8个层区的划分,使1997 AJCC-UICC淋巴结分组方法在胸部中的应用更简便、实用。
Objective To explore the method of applying thoracic CT image to 1997 AJCC-UICC thoracic lymph node group. Methods Thoracic CT scan was performed in 10 patients (5 lymphoma, 2 sarcoidosis and 3 metastatic lymph nodes). Thoracic lymph nodes seen were grouped by the 1997 AJCC-UICC method. Results The 1997 AJCC-UICC lymph node classification method was used to divide the chest into eight layers. Ⅰ The upper edge of the sixth cervical vertebrae including the supraclavicular and diagonal muscle groups; Ⅱ Apex to the anonymous vein transverse segment including the IR / L and 3A / 3P group; Ⅲ anonymous vein transverse segment to the aortic arch margin including 2R / L and 3A / 3P group; IV, the upper edge of the aortic arch to the main pulmonary artery window, including the 4R / L, 5 and 6 groups; Ⅴ from the main pulmonary artery window to the left pulmonary artery including 4R / L, 5,6 and 10R / L group; Including 4R / L, 5, 6 and 10R / L group; Ⅶ Ⅶ less than 3cm including 7 and 10R / L group; Ⅷ under the bulge 3cm to the diaphragm, including the 8R / L and 9R / L group. In the lung apex to the diaphragm on all levels of lung for the 11-14R / L group. Conclusion The division of the eight layers makes the application of the 1997 AJCC-UICC lymph node classification method in the chest more convenient and practical.