溃疡性结肠炎的CT表现（附10例报道）

目的：探讨溃疡性结肠炎的CT表现。材料与方法：10例经双对比造影和内镜检查证实的病例，实时螺旋扫描，工作站三维重建。结果：CT表现：肠壁轻度增厚10例，粘膜面呈锯齿状7例，肠壁分层3例，肠系膜密度增高2例，系膜淋巴结增大2例，肠管变细、缩短，肠袋变浅或消失7例，结论：CT能提供传统双对比造影检查方法以外的影像学信息；溃疡性结肠炎的CT表现包括粘膜面、肠壁、肠管形态、肠系膜等改变。

CT manifestations of ulcerative colitis

Objective:To investigate the manifestations o f ulcerative colitis on helical CT.Materials and Methods:Real time heli-cal scanning and tree -D reconstruction on the workstation were accessed on ulcerative colitis cases that were proved by colonoscopy or double -contrast study.Results:In all ten cases,colon wall thickeni ng were seen;In seven cases,serrate d appearance of mucous were seen;colon wall delamination in thr ee cases;density increase of mesent ery in two cases;Mesentery lymph nod es enlargement in two cases;narrowing,shortening of lum en and reduction,disappearance of haustra in seven cases.Conclusions:CT scanning provides abun-dant imaging information that can' t be proved by double -contrast study;manifestaions of ulcerative solit is:including the appearance of mocasa,colon wall,lumen contour,m esentery and lymph nodes.