常见消化道瘘的影像学表现--肠外瘘

2015-02-03 首都医科大学附属北京朝阳医院 蒋涛 中国医学论坛报

肠外瘘形成的原因主要是手术所致,胃、十二指肠手术等均可造成术区与皮肤之间形成瘘管,另外克罗恩病、重度阑尾炎等是形成瘘管的常见原因。 影像学检查首选瘘管造影和CT检查。瘘管造影是经皮肤瘘口注入造影剂,可显示纤细迂曲或粗大的不规则瘘管影,并与腹腔肠管或胃腔相通,瘘管形态与流出量密切相关,量较多时瘘管多较粗大,反之瘘管则较纤细。 CT平扫及增强扫描可以发现胃肠手术部位或腹腔病变部位与皮肤

肠外瘘形成的原因主要是手术所致,胃、十二指肠手术等均可造成术区与皮肤之间形成瘘管,另外克罗恩病、重度阑尾炎等是形成瘘管的常见原因。

影像学检查首选瘘管造影和CT检查。瘘管造影是经皮肤瘘口注入造影剂,可显示纤细迂曲或粗大的不规则瘘管影,并与腹腔肠管或胃腔相通,瘘管形态与流出量密切相关,量较多时瘘管多较粗大,反之瘘管则较纤细。

CT平扫及增强扫描可以发现胃肠手术部位或腹腔病变部位与皮肤之间管道相通,周围由于炎症刺激可出现明显炎性改变或周围脓肿形成。

对于脓肿的显示,CT明显优于瘘管造影,并可引导手术穿刺引流。

图1患者女性,38岁,CT和胃肠造影示,降结肠局部增厚,并可见软组织影与局部腹壁气腔相连,肠镜证实为降结肠瘘

图2患者女性,63岁,右上腹恶性肿瘤患者,胃肠道造影显示造影剂沿一细长不规则瘘管自胃窦壁流出体外


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  1. [GetPortalCommentsPageByObjectIdResponse(id=2161746, encodeId=09272161e46bc, content=图像, beContent=null, objectType=article, channel=null, level=null, likeNumber=20, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=22509006643, createdName=红鲤鱼, createdTime=Mon Oct 09 15:06:43 CST 2023, time=2023-10-09, status=1, ipAttribution=山东省), GetPortalCommentsPageByObjectIdResponse(id=16606, encodeId=92a0166065f, content=非常好的文章,学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=76, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=f2fb1607679, createdName=orthoW, createdTime=Fri Feb 20 15:44:00 CST 2015, time=2015-02-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=16556, encodeId=d37c16556e1, content=?学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=146, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=f2fb1607679, createdName=orthoW, createdTime=Thu Feb 19 23:28:00 CST 2015, time=2015-02-19, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1464498, encodeId=8bf1146449869, content=<a href='/topic/show?id=32e765e6591' target=_blank style='color:#2F92EE;'>#消化道#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=23, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=65765, encryptionId=32e765e6591, topicName=消化道)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=7b6e6676048, createdName=changhe715, createdTime=Thu Feb 05 00:40:00 CST 2015, time=2015-02-05, status=1, ipAttribution=)]
    2023-10-09 红鲤鱼 来自山东省

    图像

    0

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    2015-02-20 orthoW

    非常好的文章,学习

    0

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    2015-02-19 orthoW

    ?学习了

    0

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