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Radiology:在HCC消融出现这一征象,是否提供更多的信息?LI-RADS 2018版MRI治疗反应算法的应用

2021-06-08 shaosai MedSci原创

肝细胞肝癌(HCC)是全球癌症相关死亡的第三大原因。由于其高发病率、高死亡率和进行性发病率,HCC对医疗系统来说是一个持续的挑战。

 肝细胞肝癌(HCC)是全球癌症相关死亡的第三大原因。由于其高发病率、高死亡率和进行性发病率,HCC对医疗系统来说是一个持续的挑战。经导管栓塞、消融和外部放射治疗等治疗方法是早期HCC的明确治疗以及在移植前进行新辅助治疗以缩小或控制肿瘤负担的常用治疗手段。鉴于局部区域治疗的应用越来越多,了解治疗后病变的外观和对治疗的反应已成为下一步治疗方案制定的关键。

肝脏成像报告和数据系统(LI-RADS)为肝癌高危患者的CT和MRI肝脏检查提供了解释和报告指南,已被纳入最新的美国肝病研究协会HCC临床实践指南。在LI-RADS 2018版中,治疗反应算法(TRA)考虑到HCC患者经常接受局部区域治疗,因此提供了一种使用增强CT或MRI的综合方法来标准化单个病变的治疗反应评估方法。然而,尽管许多机构采用了LI-RADS TRA,但基于TRA的组织学反应预测尚未得到广泛评估。

近日,发表在Radiology杂志的一项研究探讨了LI-RADS 2018版TRA在HCC消融后评估中的作用,为LI-RADS TRA的广泛应用提供了参考依据。

本项回顾性研究的研究对象是2011年1月至2015年12月期间在单一三级护理中心接受消融治疗后进行肝移植的患者。根据移植组织学将病变分为完全坏死(100%)或不完全坏死(≤99%)。三名放射科医生分别使用LI-RADS 2018版和TRA评估了治疗前和治疗后的MRI图像。采用Fleiss κ检验评估读者一致性。通过使用广义混合效应模型计算受试者的聚类,计算出基于LI-RADS治疗反应(LR-TR)类别(有活性或无活性)的预测坏死类别的性能特征。

图 55岁男性,因丙型肝炎和饮酒导致肝硬化。治疗前T1加权MRI示肝右叶一直径1.9 cm 的T1低信号灶,动脉高强化(a、b箭头),延迟静脉期廓清(c箭头),分类为LR-5,随后行微波消融治疗。治疗后肝动脉期T1加权MRI (d)显示一直径0.9 cm病灶,持续动脉期高强化(箭头),伴延迟静脉期边缘强化(e),继发于不完全消融(箭头f),分类为LI-RADS治疗反应为有活性。组织学上,病变为不完全坏死(小于等于99%)。

本研究表明,当病变评估为LI-RADS治疗反应(LR-TR)有活性或无活性时,肝脏成像报告和数据系统(LI-RADS) 2018版治疗反应算法对病变消融治疗的诊断效能良好。几乎所有分类为LR-TR可疑的病变在组织病理学上都是不完全坏死的,这表明如果可疑的病变被评估为有活性时,对不完全坏死病变诊断的敏感性可能会提高。同时,动脉期高强化是组织病理坏死最显著的相关预测因子,然而不确定的高强化不是肿瘤存活的重要预测因素,因此本研究提示临床应该考虑重新调整该表现的应用价值。

原文出处:

Mohammad Chaudhry,Katrina A McGinty,Benjamin Mervak,et al.The LI-RADS Version 2018 MRI Treatment Response Algorithm: Evaluation of Ablated Hepatocellular Carcinoma.DOI:10.1148/radiol.2019191581

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    2022-04-01 zhanfl
  3. [GetPortalCommentsPageByObjectIdResponse(id=2029534, encodeId=07d02029534c1, content=<a href='/topic/show?id=c4222014ff' target=_blank style='color:#2F92EE;'>#ADS#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=93, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=2014, encryptionId=c4222014ff, topicName=ADS)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=38232500109, createdName=1249898am15暂无昵称, createdTime=Tue Oct 26 15:29:38 CST 2021, time=2021-10-26, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1746785, encodeId=e68e1e467851e, content=<a href='/topic/show?id=a4e2108e086' target=_blank style='color:#2F92EE;'>#LI-RADS#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=110, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=10870, encryptionId=a4e2108e086, topicName=LI-RADS)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=65a635842372, createdName=zhanfl, createdTime=Fri Apr 01 08:29:38 CST 2022, time=2022-04-01, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1792999, encodeId=5ac11e92999e7, content=<a href='/topic/show?id=6d7e150911e' target=_blank style='color:#2F92EE;'>#RADS#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=92, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=15091, encryptionId=6d7e150911e, topicName=RADS)], attachment=null, authenticateStatus=null, createdAvatar=http://thirdwx.qlogo.cn/mmopen/vi_32/Q0j4TwGTfTK17mLkWpia3T92NlEWTkEhrhZa7XPNic2JqQumEicZXGYFG6Ww5SCIl0Uq62bhhPnibAqIZDHtRva92A/132, createdBy=e0752500025, createdName=江川靖瑶, createdTime=Wed Apr 13 02:29:38 CST 2022, time=2022-04-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1259532, encodeId=e4651259532c5, content=<a href='/topic/show?id=2200854517' target=_blank style='color:#2F92EE;'>#HCC#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=84, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=8545, encryptionId=2200854517, topicName=HCC)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=8e4c53, createdName=jiyangfei, createdTime=Thu Jun 10 12:29:38 CST 2021, time=2021-06-10, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1421847, encodeId=5df4142184e55, content=<a href='/topic/show?id=4bc865819d2' target=_blank style='color:#2F92EE;'>#消融#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=76, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=65819, encryptionId=4bc865819d2, topicName=消融)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=1a193676008, createdName=xiangyuzhou972, createdTime=Thu Jun 10 12:29:38 CST 2021, time=2021-06-10, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=972201, encodeId=31679e2201a2, content=学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=88, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=2d612028636, createdName=81252974, createdTime=Wed Jun 09 17:22:27 CST 2021, time=2021-06-09, status=1, ipAttribution=)]
    2022-04-13 江川靖瑶
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    2021-06-10 jiyangfei
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  6. [GetPortalCommentsPageByObjectIdResponse(id=2029534, encodeId=07d02029534c1, content=<a href='/topic/show?id=c4222014ff' target=_blank style='color:#2F92EE;'>#ADS#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=93, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=2014, encryptionId=c4222014ff, topicName=ADS)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=38232500109, createdName=1249898am15暂无昵称, createdTime=Tue Oct 26 15:29:38 CST 2021, time=2021-10-26, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1746785, encodeId=e68e1e467851e, content=<a href='/topic/show?id=a4e2108e086' target=_blank style='color:#2F92EE;'>#LI-RADS#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=110, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=10870, encryptionId=a4e2108e086, topicName=LI-RADS)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=65a635842372, createdName=zhanfl, createdTime=Fri Apr 01 08:29:38 CST 2022, time=2022-04-01, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1792999, encodeId=5ac11e92999e7, content=<a href='/topic/show?id=6d7e150911e' target=_blank style='color:#2F92EE;'>#RADS#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=92, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=15091, encryptionId=6d7e150911e, topicName=RADS)], attachment=null, authenticateStatus=null, createdAvatar=http://thirdwx.qlogo.cn/mmopen/vi_32/Q0j4TwGTfTK17mLkWpia3T92NlEWTkEhrhZa7XPNic2JqQumEicZXGYFG6Ww5SCIl0Uq62bhhPnibAqIZDHtRva92A/132, createdBy=e0752500025, createdName=江川靖瑶, createdTime=Wed Apr 13 02:29:38 CST 2022, time=2022-04-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1259532, encodeId=e4651259532c5, content=<a href='/topic/show?id=2200854517' target=_blank style='color:#2F92EE;'>#HCC#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=84, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=8545, encryptionId=2200854517, topicName=HCC)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=8e4c53, createdName=jiyangfei, createdTime=Thu Jun 10 12:29:38 CST 2021, time=2021-06-10, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1421847, encodeId=5df4142184e55, content=<a href='/topic/show?id=4bc865819d2' target=_blank style='color:#2F92EE;'>#消融#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=76, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=65819, encryptionId=4bc865819d2, topicName=消融)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=1a193676008, createdName=xiangyuzhou972, createdTime=Thu Jun 10 12:29:38 CST 2021, time=2021-06-10, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=972201, encodeId=31679e2201a2, content=学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=88, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=2d612028636, createdName=81252974, createdTime=Wed Jun 09 17:22:27 CST 2021, time=2021-06-09, status=1, ipAttribution=)]
    2021-06-09 81252974

    学习了

    0

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