摘要
目的 探讨孤立型细支气管肺泡癌局部生长的CT表现特点与组织病理发现的相关性。方法 收集经手术病理证实的孤立型细支气管肺泡癌 3 0例 ,男 10例 ,女 2 0例 ,年龄 42～ 71岁 ,平均 60 .0岁。采用螺旋CT增强扫描 2 4例 ,平扫 6例。 2 1例对肿块追加高分辨CT扫描。CT图像上观察病灶的部位、大小、密度分布、内部结构及边缘特征 ,并评价其征象与组织病理发现的相关性。结果 按CT图像上密度分布将肿瘤分为三种类型 :Ⅰ型为含毛玻璃样征的不均匀密度肿块 10例 (3 3 % ) ,病理为肿瘤细胞沿肺泡壁生长 ,伴散在含气肺泡 ,毛玻璃样征为肿瘤内血管 (中等密度 )与血管周围的含气肺泡 (低密度 )对比所致。Ⅱ型为含空泡征或支气管气像的不均匀密度肿块 7例 (2 4% ) ,病理为肿瘤细胞沿肺泡壁生长伴有散在肺泡塌陷 ,残留含气支气管。Ⅲ型为均匀软组织密度肿块 13例 (4 3 % ) ,病理为肿瘤细胞沿肺泡壁生长伴散在肺泡塌陷 ,绝大多数未塌陷肺泡被黏液充填 ,无含气支气管。结论 细支气管肺泡癌的CT图像上不同的密度分布与肿瘤的生长特征以及有无含气肺泡及支气管等病理发现有关。
Purpose To evaluate the correlation between the CT morphologic features and histopathologic findings of solitary bronchioloalveolar carcinoma.Methods The CT features of 30 patients with surgically resected solitary bronchioloalveolar carcinoma were examined.They were 10 men and 20 women ranging in age 42 to 71 years (mean age,60 years).The correlation between CT morphologic features and tumor growth was analyzed.Results Three CT types of the masses were observed on the basis of tumor density distribution:TypeⅠ(10/30,33%),heterogeneous mass with ground glass opacity,corresponding to tumor lepidic growth with the aerated alveoli. The small vessels in the tumor,visible on CT image,being surrounded by the aerated alveoli. TypeⅡ(7/30,24%),heterogeneous mass with bubblelike or air bronchogram,corresponding to tumor lepidic growth with the aerated bronchi. Type Ⅲ(13/30,43%),homogeneous mass with soft tissue density,corresponding to tumor lepidic growth without the aerated alveoli and the aerated bronchi.Conclusion Solitary bronchioloalveolar carcinoma exhibited three patterns on CT that corresponded to the histopathologic findings of the lepidic growth with or without the aerated alveoli or bronchi.
出处
《中国医学影像技术》
CSCD
2003年第2期189-191,共3页
Chinese Journal of Medical Imaging Technology
基金
教育部留学回国人员基金资助 (2 0 0 2 2 4 7)
关键词
细支气管肺泡癌
病理学
CT
肺肿瘤
Bronchioloalveolar carcinoma
Tomography,X ray computed
Pathology
