让人迷惑的幼红细胞空泡变性?

2021-06-21 检验医学网 检验医学网

日常工作中我们一提到空泡变性大家都会想到中性粒细胞、单核细胞以及某些淋巴瘤细胞,但我今天给大家分享一例是在幼红细胞中出现空泡变性,很少见吧?一起来看吧。

日常工作中我们一提到空泡变性大家都会想到中性粒细胞、单核细胞以及某些淋巴瘤细胞,但我今天给大家分享一例是在幼红细胞中出现空泡变性,很少见吧?一起来看吧。

病例分析

患者介绍:尹某,男,65岁。以头晕气短乏力双下肢不适1年,加重2日主诉入院。

现病史:患者1年前无明显原因出现头晕气短乏力双下肢不适,伴双耳鸣,无恶心呕吐、耳聋。2天前上述症状再次加重,以“头晕待诊”收住神内一科。

既往史:有贫血病史数年,否认有结核、肝炎等传染病史,否认有糖尿病、高血压病史,否认外伤、手术史等。

体格检查:体温、呼吸、脉搏、血压均正常,皮肤粘膜无出血点及黄染,浅表淋巴结无肿大,肝、脾肋下未触及。

入院诊断:

1. 多发性脑梗塞

2. 重度贫血原因待查

3. 肺部感染

4. 慢阻肺

辅助检查

血细胞分析:白细胞6.7*10^9/L,中性粒细胞占73%,淋巴细胞占25%;红细胞1.28*10^12/L,血红蛋白53g/L,MCV126fl,MCH41.4pg,MCHC328g/L;血小板69*10^9/L。

生化检验:总蛋白57g/L,白蛋白39g/L,乳酸脱氢酶1580U/L,血清铁31.23umol/L,其余正常。

贫血系列:维生素B12<50pg/ml,叶酸13.64ng/ml,铁蛋白486.2ng/ml

骨髓细胞涂片检查:粒系增生活跃,易见巨晚幼粒、杆状核粒细胞;红系增生明显,巨幼红细胞占21%,其胞体及胞核大,染色质疏松,胞质丰富,部分原早巨幼红胞质可见空泡变性。成熟红细胞体积较大。巨核细胞不少见。

铁染色:细胞内铁42%(多为I、II型),细胞外铁+++。

至此,诊断为巨幼细胞性贫血应该没什么问题。但部分原早巨幼红胞质可见空泡变性一直在我脑中有个问号,是什么情况呢?如下图:

 

经与某血液系统疾病诊断群张老师沟通,认为需做PAS染色,以排除MDS及某些恶性血液病。染色如下:

PAS染色结果:原早巨幼红细胞均为阴性。

究竟有哪些因素可以导致幼红细胞胞质出现空泡变性?带着疑问我查阅文献,发现有以下几点:

1.药物和化合物中毒;

2.急性纯红血病;

3.长期醺酒的患者;

4.临床一些抗菌药物的使用,比如氯霉素等。

查阅病历,发现患者在骨穿前正使用阿莫西林钠克拉维酸钾、安脑丸、阿司匹林肠溶片、黄芪精口服液、生血宝合剂等药物,会不会与阿莫西林钠克拉维酸钾的使用有关?亦或是诊断有误?再次追踪患者复查的结果:

发现患者经过药物治疗血细胞分析各项指标均已正常,维生素B12也正常,间接佐证了当时的临床诊断没有问题。对于幼红细胞胞质出现空泡变性的情况,期待老师们的更多关注和讨论。

延伸阅读

1. 中性粒细胞毒性变之空泡变性:中性粒细胞胞质内出现一个或数个空泡,是细胞受损后胞质发生脂肪变性或颗粒缺失的结果。常见于严重感染特别是败血症时。而在脓毒症时,68%-90%的病例可出现空泡变性(需排除陈旧血),特异性达90%。

2. 异型淋巴细胞之空泡型:其胞质较丰富,深蓝色,一般无颗粒,含有空泡或因具有多数小空泡而呈泡沫状。

3. Burkitt淋巴瘤白血病细胞之空泡:在胞质中可见到较多的空泡,可呈蜂窝状,而且可出现于细胞核中。

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    2021-06-23 huangdf
  3. [GetPortalCommentsPageByObjectIdResponse(id=1282085, encodeId=e8d7128208566, content=<a href='/topic/show?id=3dece71531e' target=_blank style='color:#2F92EE;'>#红细胞#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=35, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=77153, encryptionId=3dece71531e, topicName=红细胞)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=c22f171, createdName=kord1982, createdTime=Wed Jun 23 04:47:46 CST 2021, time=2021-06-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1463763, encodeId=025c1463e6384, content=<a href='/topic/show?id=7d27381288e' target=_blank style='color:#2F92EE;'>#变性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=45, 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=Wed Jun 23 04:47:46 CST 2021, time=2021-06-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=975742, encodeId=24979e574232, content=学习一下, beContent=null, objectType=article, channel=null, level=null, likeNumber=62, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=49d85477395, createdName=星柔, createdTime=Tue Jun 22 10:26:30 CST 2021, time=2021-06-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=975581, encodeId=6caa9e558195, content=学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=68, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=67634708538, createdName=1356548325, createdTime=Mon Jun 21 21:44:14 CST 2021, time=2021-06-21, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=975575, encodeId=2dfa9e55754b, content=学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=44, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=c86c2088582, createdName=1591f3c1e5m, createdTime=Mon Jun 21 21:26:02 CST 2021, time=2021-06-21, status=1, ipAttribution=)]
    2021-06-22 星柔

    学习一下

    0

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    2021-06-21 1356548325

    学习

    0

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    2021-06-21 1591f3c1e5m

    学习了

    0