胸痛了!影像学检查能看出哪些异常表现?

2018-03-26 孙超 医学界影像诊断与介入频道

胸痛是一种常见的临床症状,常见的原因有多种,不同的原因有不同的影像学表现,试简要叙述如下:

胸痛是一种常见的临床症状,常见的原因有多种,不同的原因有不同的影像学表现,试简要叙述如下:

(一)胸痛三联征

包含急性心肌梗死、肺动脉栓塞、主动脉夹层。这三者都以急性胸痛为主要表现,且死亡率高,故有此统称。

1. 急性心肌梗死:是冠状动脉急性、持续性缺血缺氧所引起的心肌坏死。患者多发生在冠状动脉粥样硬化狭窄基础上,由于某些诱因形成血栓阻塞冠状动脉管腔,导致心肌缺血坏死。临床上多有剧烈而持久的胸骨后疼痛,休息及硝酸酯类药物不能完全缓解,伴有血清心肌酶活性增高及进行性心电图变化。

冠状动脉CTA检查作为一种常规的检查方法,可以观察病人的冠状动脉的斑块及狭窄等相关情况,有效评估病情。



箭头所指处:见软斑块导致管腔中重度狭窄,其近端有钙化斑形成。

2. 肺动脉栓塞:为各种原因引阻塞肺动脉,引起肺循环障碍,产生的临床和病理生理综合症。主要临床表现为胸痛、呼吸困难等等。



上图所示:肺动脉CTA检查示右下肺动脉分支近端见充盈缺损,考虑肺动脉栓塞。

3. 主动脉夹层:主动脉腔内血液从主动脉内膜撕裂处进入主动脉中膜,使中膜分离,沿主动脉长轴方向扩展形成主动脉壁的真假两腔分离状态。主要临床表现为胸(胸腹)背部剧烈疼痛,常伴有高血压



上图所示主动脉CTA检查,见胸主动脉夹层表现,内膜自主动脉弓处撕开,向下延伸至腹主动脉处,形成真假双腔。

(二)其他内外科疾病

1.肺炎、胸膜炎:由致病因素(如肺炎等等)刺激胸膜所致的胸膜炎性改变,主要表现为胸痛、咳嗽、胸闷、气急,甚则呼吸困难。





上图所示左肺下叶炎症伴有胸水、胸膜炎表现

2. 气胸:气体进入胸膜腔,造成积气状态。属临床急症之一,严重者可危及生命,及时处理可治愈。



上图所示肺部CT平扫,见右侧气胸(胸腔积气),压迫右肺组织。

3. 外伤相关性疾病:如肋骨骨折,胸壁挫伤等等。病人外伤史明确,有局部疼痛的症状。



肺部CT平扫图像所示肋骨骨折,骨折断端有错位,临近胸壁软组织稍肿胀。

4. 上腹部腹膜炎亦可引起胸痛症状。

(三)其他方面

如肋间神经痛、带状疱疹、心绞痛等等,影像学检查无特殊表现,未附图像。

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    2018-04-05 深呼吸的牛

    学习了.谢谢分享!

    0

  2. [GetPortalCommentsPageByObjectIdResponse(id=303104, encodeId=7252303104ec, content=学习了.谢谢分享!, beContent=null, objectType=article, channel=null, level=null, likeNumber=58, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://thirdwx.qlogo.cn/mmopen/vi_32/KRDxDIERWBoic7FG6Re5h0J0JLWu5jGvIqpT55ZwZfytyCn0IibUlf4h1TProOKicAsWWLSEiaVZqgGDNV0yiadNQGw/132, createdBy=8bfb2288134, createdName=深呼吸的牛, createdTime=Thu Apr 05 23:07:30 CST 2018, time=2018-04-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=301377, encodeId=5ca53013e7f7, content=学习学习.非常好, beContent=null, objectType=article, channel=null, level=null, likeNumber=50, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://thirdwx.qlogo.cn/mmopen/vi_32/Q0j4TwGTfTKibA62IFMeUJEmSyIe8DvYFeERuOsfrRd8iano7nENqQU1dRR3tqeQOUL3eqgYgEZRT2t2iaEsib0JEw/132, createdBy=66771693911, createdName=易水河, createdTime=Sat Mar 31 06:47:22 CST 2018, time=2018-03-31, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=300588, encodeId=9d4930058889, content=^_^^_^^_^, beContent=null, objectType=article, channel=null, level=null, likeNumber=60, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/vi_32/Swp2ehfHpiciczeTntUyQOlIGMzQ705ic67sdMTVMbwTv7KbmlUvxrGvRSvQZjPkz7ib5tEDfIaORgczPtmHDpwojg/0, createdBy=c54b2163125, createdName=wqkm, createdTime=Wed Mar 28 22:44:53 CST 2018, time=2018-03-28, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=300167, encodeId=a37230016e19, content=学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=53, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=c3da1990174, createdName=yfjms, createdTime=Tue Mar 27 09:53:59 CST 2018, time=2018-03-27, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=300014, encodeId=f46630001425, content=学习了.好, beContent=null, objectType=article, channel=null, level=null, likeNumber=54, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=b5a62240667, createdName=张新亮1853311252142e2fm, createdTime=Tue Mar 27 00:46:47 CST 2018, time=2018-03-27, status=1, ipAttribution=)]
    2018-03-31 易水河

    学习学习.非常好

    0

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    2018-03-28 wqkm

    ^_^^_^^_^

    0

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    2018-03-27 yfjms

    学习

    0

  5. [GetPortalCommentsPageByObjectIdResponse(id=303104, encodeId=7252303104ec, content=学习了.谢谢分享!, beContent=null, objectType=article, channel=null, level=null, likeNumber=58, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://thirdwx.qlogo.cn/mmopen/vi_32/KRDxDIERWBoic7FG6Re5h0J0JLWu5jGvIqpT55ZwZfytyCn0IibUlf4h1TProOKicAsWWLSEiaVZqgGDNV0yiadNQGw/132, createdBy=8bfb2288134, createdName=深呼吸的牛, createdTime=Thu Apr 05 23:07:30 CST 2018, time=2018-04-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=301377, encodeId=5ca53013e7f7, content=学习学习.非常好, beContent=null, objectType=article, channel=null, level=null, likeNumber=50, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://thirdwx.qlogo.cn/mmopen/vi_32/Q0j4TwGTfTKibA62IFMeUJEmSyIe8DvYFeERuOsfrRd8iano7nENqQU1dRR3tqeQOUL3eqgYgEZRT2t2iaEsib0JEw/132, createdBy=66771693911, createdName=易水河, createdTime=Sat Mar 31 06:47:22 CST 2018, time=2018-03-31, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=300588, encodeId=9d4930058889, content=^_^^_^^_^, beContent=null, objectType=article, channel=null, level=null, likeNumber=60, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/vi_32/Swp2ehfHpiciczeTntUyQOlIGMzQ705ic67sdMTVMbwTv7KbmlUvxrGvRSvQZjPkz7ib5tEDfIaORgczPtmHDpwojg/0, createdBy=c54b2163125, createdName=wqkm, createdTime=Wed Mar 28 22:44:53 CST 2018, time=2018-03-28, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=300167, encodeId=a37230016e19, content=学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=53, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=c3da1990174, createdName=yfjms, createdTime=Tue Mar 27 09:53:59 CST 2018, time=2018-03-27, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=300014, encodeId=f46630001425, content=学习了.好, beContent=null, objectType=article, channel=null, level=null, likeNumber=54, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=b5a62240667, createdName=张新亮1853311252142e2fm, createdTime=Tue Mar 27 00:46:47 CST 2018, time=2018-03-27, status=1, ipAttribution=)]
    2018-03-27 张新亮1853311252142e2fm

    学习了.好

    0

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