胸腺上皮性肿瘤WHO简化病理分型的MSCT表现  

MSCT Findings of Thymic Epithelial Tumors According to WHO Simplified Pathological Typing

作　　者：陈凯[1] 路莉[1] 徐凯[1] 王佳丽[1] 鹿彩銮[1] 韩曙光[1] 荣玉涛[1] 

机构地区：[1]徐州医学院附属医院放射科

出　　处：《中国医学计算机成像杂志》2013年第4期325-328,共4页Chinese Computed Medical Imaging

摘　　要：目的:分析胸腺上皮性肿瘤(TET)的多层螺旋CT(MSCT)表现及多平面重组(MPR)特征,并探讨其与WHO简化病理分型之间的相关性。方法:回顾性分析40例经手术病理证实的TET患者术前MSCT及MPR图像,并与WHO简化病理分型[低危型胸腺瘤(A、AB、B1)、高危型胸腺瘤(B2、B3)与胸腺癌]进行比较。结果:高危型胸腺瘤与胸腺癌MSCT及MPR征象表现为肿瘤边缘不光整或分叶、形态不规则且强化后瘤内密度不均,以及对邻近结构侵犯,与低危型胸腺瘤有统计学差异﹙P<0.05﹚,胸腺癌纵隔淋巴结增大及远处转移较两组胸腺瘤更为常见,而患者的年龄、性别、肿瘤体积以及瘤内钙化在三组间比较均无明显统计学差异。结论:MSCT扫描及MPR技术对TET的WHO简化病理分型鉴别诊断具有重要价值,为临床治疗方案的选择及判断预后提供信息。Purpose： To assess the MSCT with multiplaner reformation （MPR） findings of thymic epithelial tumors（TET） and to investigate the correlation between the characteristics of MSCT imaging and WHO simplified pathological typing. Methods： The pre-operation MSCT findings and images of multiple planer reconstruction of 40 patients with TET proved by surgery and pathology were reviewed retrospectively and compared with WHO simplified pathological typing, which included low-risk thymomas （types A,AB,B1）, high- risk thymomas （types B2,B3）, and thymic carcinomas. Results： There were statistical differences between low- risk thymomas and the other two groups in lobulation and irregularity of contour, irregular shape, heterogeneous density within tumor after enhancement and adjacent structure invasion. The presence of mediastinal lymphonodus and extrathymic metastasis was more common in thymic carcinomas than thymomas. There was no significant statistical difference in gender, ages, tumor volume and calcification between groups. Conclusion： MSCT-MPR imaging is valuable for distinguishing WHO simplified pathological typing, and is useful in choice of clinical treatment strategies and evaluation of prognosis.

关 键 词：多平面重组 胸腺上皮肿瘤 病理分型 

分 类 号：R736.3[医药卫生—肿瘤]