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NEJM:悬雍垂淀粉样变性-病例报道

2020-08-06 MedSci原创 MedSci原创

淀粉样变性病的特征是异常蛋白沉积在细胞外组织中。在疾病的轻链形式中,细胞外组织源自与浆细胞相关的免疫球蛋白轻链。

患者为一名61岁的男子,因吞咽困难而到血液科就诊。他还描述了2年的手和脸部浮肿以及皮肤干燥和脱发病史。

口咽部体格检查发现大舌症,扇形,舌弓红斑,悬雍垂肿大。对悬雍垂进行活检,刚果红染色发现苹果绿色双折射提示淀粉样蛋白沉积。免疫组织化学分析显示,循环κ轻链水平升高。免疫固定的血清电泳显示有0.4 g/dL的单克隆峰。游离的κ轻链水平为56.6 mg/L(参考范围为8.3至27.0),κ与λ轻链比例为3.3(参考范围为0.26至1.65)和蛋白尿(24小时尿液样本0.26g)升高时。

骨髓流式细胞仪检查发现0.54%的浆细胞具有非典型表型,心脏磁共振成像检查提示淀粉样蛋白累及左心室心肌。淀粉样变性病的特征是异常蛋白沉积在细胞外组织中。在疾病的轻链形式中,细胞外组织源自与浆细胞相关的免疫球蛋白轻链。

该患者接受了自体骨髓移植,并对治疗具有较好的反应。

原始出处:

Kenny M. Galvez-Cardenas,et al.Uvula Amyloidosis.N Engl J Med 2020;https://www.nejm.org/doi/full/10.1056/NEJMicm1915258

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    2020-08-07 huangdf
  4. [GetPortalCommentsPageByObjectIdResponse(id=1405191, encodeId=dec5140519135, content=<a href='/topic/show?id=cb6e6591850' target=_blank style='color:#2F92EE;'>#淀粉样变#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=55, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=65918, encryptionId=cb6e6591850, topicName=淀粉样变)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=2ca02527521, createdName=xjy03, createdTime=Fri Aug 07 22:27:51 CST 2020, time=2020-08-07, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1434686, encodeId=f00e143468610, content=<a href='/topic/show?id=940265920ab' target=_blank style='color:#2F92EE;'>#淀粉样变性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=44, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=65920, encryptionId=940265920ab, topicName=淀粉样变性)], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/aLGWoFXAyMbIu3qymFOyheQLjPSX3OUs5GmkyBlcCOwTPIeq3why9NGibxxUqYo6hcx8qZLHZFgNPnBK1yzWeOFpyg2OnWOt0/0, createdBy=fa4716, createdName=zhouqu_8, createdTime=Fri Aug 07 22:27:51 CST 2020, time=2020-08-07, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1463725, encodeId=fb461463e2530, content=<a href='/topic/show?id=7d27381288e' target=_blank style='color:#2F92EE;'>#变性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=29, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=38128, encryptionId=7d27381288e, topicName=变性)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f69f6545041, createdName=huangdf, createdTime=Fri Aug 07 22:27:51 CST 2020, time=2020-08-07, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1035371, encodeId=42b310353e156, content=顶刊就是顶刊,谢谢梅斯带来这么高水平的研究报道,我们科里同事经常看梅斯,分享梅斯上的信息, beContent=null, objectType=article, channel=null, level=null, likeNumber=54, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=旺医, createdTime=Thu Aug 06 10:27:51 CST 2020, time=2020-08-06, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=806435, encodeId=002f806435ef, content=长见识了, beContent=null, objectType=article, channel=null, level=null, likeNumber=96, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=0c9a2254373, createdName=1216f9c2m26暂无昵称, createdTime=Thu Aug 06 07:31:35 CST 2020, time=2020-08-06, status=1, ipAttribution=)]
    2020-08-06 旺医

    顶刊就是顶刊,谢谢梅斯带来这么高水平的研究报道,我们科里同事经常看梅斯,分享梅斯上的信息

    0

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    2020-08-06 1216f9c2m26暂无昵称

    长见识了

    0

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