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NEJM:副肿瘤性神经性肌强直

2015-05-04 陈说 译 MedSci原创

一名70岁患有冠心病史和慢阻肺病史、40年吸烟史的男性患者,近两月来出现了严重的肌肉抽搐和痉挛、出汗多和体重减轻了10kg。 经体格检查发现,他的肌纤维和肌束出现不自觉的震颤(请在NEJM网页中观看视频)。在睡眠的状态下,肌纤维仍持续不断地震颤,偶有加重的现象。但没有出现肌无力、僵硬、萎缩或震颤后肌肉延迟性松弛的现象。肌电图检查看到神经性肌强直和肌纤维震颤有特异性放电的特征。



一名70岁患有冠心病史和慢阻肺病史、40年吸烟史的男性患者,近两月来出现了严重的肌肉抽搐和痉挛、出汗多和体重减轻了10kg。

经体格检查发现,他的肌纤维和肌束出现不自觉的震颤(请在NEJM网页中观看视频)。在睡眠的状态下,肌纤维仍持续不断地震颤,偶有加重的现象。但没有出现肌无力、僵硬、萎缩或震颤后肌肉延迟性松弛的现象。肌电图检查看到神经性肌强直和肌纤维震颤有特异性放电的特征。血清学检测发现电压门控钾通道抗体阳性(每升396 pmol;正常价值,< 85)。

根据临床的症状、肌电图和血清学的检查结果,最后诊断为神经性肌强直。分析得出,上述案例中男子的肌强直是由于周围神经轴突的异常兴奋导致神经肌纤维震颤。对此,使用卡马西平药物来治疗,但治疗的效果并不明显。考虑到神经肌强直可能是副肿瘤性的,再结合患者有吸烟史和体重减轻的现象,因此需要考虑是否患有癌症。

最后,在锁骨上淋巴结的活检中我们发现了转移性的小细胞肺癌,确诊为癌症。3个月后,该患者死于因化疗而出现的并发症。

原始出处:

Efthimios Dardiotis, M.D., Ph.D., and Styliani Ralli, M.D.Paraneoplastic Neuromyotonia.N Engl J Med 2015; 372:e24April 30, 2015DOI: 10.1056/NEJMicm1402098

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  1. [GetPortalCommentsPageByObjectIdResponse(id=2035399, encodeId=06752035399f0, content=<a href='/topic/show?id=d382e42956d' target=_blank style='color:#2F92EE;'>#神经性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=76, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=74295, encryptionId=d382e42956d, topicName=神经性)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=927d310, createdName=hywen7326, createdTime=Mon Mar 07 15:21:00 CST 2016, time=2016-03-07, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=22579, encodeId=0cc8225e928, content=很漂亮, beContent=null, objectType=article, channel=null, level=null, likeNumber=172, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4d631623611, createdName=huangjianhuang, createdTime=Mon May 04 15:18:00 CST 2015, time=2015-05-04, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=22578, encodeId=c137225e8d6, content=哈哈, beContent=null, objectType=article, channel=null, level=null, likeNumber=239, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4d631623611, createdName=huangjianhuang, createdTime=Mon May 04 15:17:00 CST 2015, time=2015-05-04, status=1, ipAttribution=)]
  2. [GetPortalCommentsPageByObjectIdResponse(id=2035399, encodeId=06752035399f0, content=<a href='/topic/show?id=d382e42956d' target=_blank style='color:#2F92EE;'>#神经性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=76, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=74295, encryptionId=d382e42956d, topicName=神经性)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=927d310, createdName=hywen7326, createdTime=Mon Mar 07 15:21:00 CST 2016, time=2016-03-07, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=22579, encodeId=0cc8225e928, content=很漂亮, beContent=null, objectType=article, channel=null, level=null, likeNumber=172, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4d631623611, createdName=huangjianhuang, createdTime=Mon May 04 15:18:00 CST 2015, time=2015-05-04, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=22578, encodeId=c137225e8d6, content=哈哈, beContent=null, objectType=article, channel=null, level=null, likeNumber=239, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4d631623611, createdName=huangjianhuang, createdTime=Mon May 04 15:17:00 CST 2015, time=2015-05-04, status=1, ipAttribution=)]
    2015-05-04 huangjianhuang

    很漂亮

    0

  3. [GetPortalCommentsPageByObjectIdResponse(id=2035399, encodeId=06752035399f0, content=<a href='/topic/show?id=d382e42956d' target=_blank style='color:#2F92EE;'>#神经性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=76, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=74295, encryptionId=d382e42956d, topicName=神经性)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=927d310, createdName=hywen7326, createdTime=Mon Mar 07 15:21:00 CST 2016, time=2016-03-07, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=22579, encodeId=0cc8225e928, content=很漂亮, beContent=null, objectType=article, channel=null, level=null, likeNumber=172, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4d631623611, createdName=huangjianhuang, createdTime=Mon May 04 15:18:00 CST 2015, time=2015-05-04, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=22578, encodeId=c137225e8d6, content=哈哈, beContent=null, objectType=article, channel=null, level=null, likeNumber=239, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4d631623611, createdName=huangjianhuang, createdTime=Mon May 04 15:17:00 CST 2015, time=2015-05-04, status=1, ipAttribution=)]
    2015-05-04 huangjianhuang

    哈哈

    0

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