| 乙状结肠扭转的MSCT诊断? |
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| 引用本文： | 胡丽,杨涛,余刚,黄艳艳,顾静华.乙状结肠扭转的MSCT诊断?[J].CT理论与应用研究,2016(3):377-384. |
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| 作者姓名： | 胡丽 杨涛 余刚 黄艳艳 顾静华 |
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| 作者单位： | 1. 十堰市太和医院 湖北医药学院附属医院 医学影像中心,湖北 十堰,442000;2. 上海健康医学院附属周浦医院影像科,上海,201318 |
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| 摘 要： | 目的：探讨乙状结肠扭转（SV）的多层螺旋CT（MSCT）表现，以提高SV术前诊断水平。方法：回顾性分析手术病理或肠镜复位证实的15例乙状结肠扭转MSCT表现，归纳其影像学特征。结果：15例SV的MSCT征象有：15例均显示乙状结肠扩张，4例提示有肠管损害，包括肠壁增厚、肠系膜水肿、系膜间渗出和腹腔积液等；CT定位像显示倒“U”征14例，横断面图像显示“圆腹”征13例，“鸟嘴”征11例，MPR显示“交叉”征10例，“漩涡”征9例；CT增强及CTA显示肠壁强化减弱3例，肠系膜小血管闭塞1例，肠系膜动脉旋转2例。结论：乙状结肠扭转的MSCT表现具有一定特征性，尤其是肠管损害的判断对指导临床治疗有较大价值。
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| 关 键 词： | 乙状结肠 扭转 体层摄影术 X线计算机 |
MSCT Diagnosisof Sigmoid Volvulus |
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| HULi,YANG Tao,YUGang,HUANGYan-yan,GU Jing-hua.MSCT Diagnosisof Sigmoid Volvulus[J].Computerized Tomography Theory and Applications,2016(3):377-384. |
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| Authors: | HULi YANG Tao YUGang HUANGYan-yan GU Jing-hua |
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| Abstract: | Objective:To discuss the imaging characteristics of sigmoid volvulus(SV)with multi-slice spiral computed tomography (MSCT) and improve the level of preoperative diagnosis in patients of SV.Methods:MSCT examinations were performed in 15 caseswith sigmoid volvulus proved by pathology or colonoscope reposition, and the CT imaging characteristics were analyzed and summarized retrospectively. Results:The MSCT signs of 15 cases of SV includedall 15 cases had sigmoid dilated,4 cases showed intestinal damage (bowel wall thickening,mesenteric edema,mesenterium effusion and ascites etc.). 14 cases with invertedU-shape were showed on scanogram scanning,13 cases of round belly sign, 11 cases ofbeak sign on cross-section scanning. MPR showed 10 cases of cross sign and 9 cases of whirl sign; Contrast-enhanced CT and CTA showed the enhancement of bowel wall weakened in 3 cases, 1 case ofsmall vessel occlusion of mesentery, 2 cases of mesenteric artery rotation.Conclusion:The MSCT features of SV had some characteristics,especiallyhad a great value in guideline for clinical therapy in the estimate of intestinal damage. |
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| Keywords: | sigmoid volvulus tomography X-ray computed |
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