活动性克罗恩病肠系膜淋巴结的CT影像学研究  

CT features of mesenteric lymphadenopathy in active Crohn＇s disease

作　　者：刘文[1] 王维[1] 谢龙龙 胡跃群[1] 刘晟[1] 

机构地区：[1]中南大学湘雅三医院放射科,湖南长沙410013

出　　处：《实用放射学杂志》2016年第4期610-613,共4页Journal of Practical Radiology

摘　　要：目的 探讨活动性克罗恩病（CD）肠系膜淋巴结的CT影像学特征。方法 回顾性分析经内镜、病理证实的54例活动性CD患者的64排螺旋CT影像表现，重点观察肠系膜淋巴结的分布、大小、数目、形态及强化情况。结果 38例（70.4%）CD患者出现肠系膜淋巴结增大，总数为242个，其中83.5%（202/242）的淋巴结位于病变邻近肠系膜根部，16.5%（40/242）的淋巴结位于肠系膜周边部；肠系膜根部的淋巴结较周边部的淋巴结稍大，平均最大短径分别为（8.57±2.26） mm、（5.38±0.19） mm；73.6%（178/242）的淋巴结呈卵圆形；增强后淋巴结出现均匀明显强化，强化率为0.53±0.09。结论 活动性CD常引起肠系膜淋巴结增大，以肠系膜根部淋巴结受累较为明显。Objective To investigate the CT features of mesenteric lymph nodes in patients with active Crohn＇s disease. Methods The CT findings in 54 patients with active Crohn＇s disease proved by histology were analyzed, and the anatomic distribution, size, number, shape and enhancement ratio （ER） of the mesenteric lymph node were assessed. Results Mesenteric lymphadenopathy in 38 patients （70. 4%） was found with a total number of 242,83. 5%（202/242） of whom were located at the mesenteric root and 16.5%（40/242） at mesenteric edge. The size of the lymph nodes at the mesenteric root was larger than that at the mesenteric edge 18. 57 mm±2.26 mm versus 5.38 mm±0.19 mm, the mean maximum short diameter）, and 73.6% （178/242） of the lymph nodes were oval in shape. The lymph nodes showed significant enhancement after contrast injection with an ER of 0. 53±0. 09. Conclusion Active CD often leads to mesenteric lymphadenopathy,which is more obvious at the mesenteric root.

关 键 词：克罗恩病 计算机体层成像 肠系膜淋巴结增大 

分 类 号：R574[医药卫生—消化系统] R814.42[医药卫生—内科学]