读懂血常规指标,揭示肿瘤预后的秘密

2022-07-22 网络 网络

探索提示肿瘤预后鲜为人知的指标。

血常规是临床最常用的检查之一,而且血常规结果里还隐藏着和癌症预后相关的秘密。今天小编就带大家来读一读血常规结果,看看里面藏着哪些肿瘤的秘密。

血常规报告单中与预后相关的指标主要是淋巴细胞绝对数(ALC)、中性粒细胞/淋巴细胞比值(NLR)、淋巴细胞/单核细胞比值(LMR)、血小板/淋巴细胞比值(PLR)。
NLR值低、LMR值高、PLR值低,这三个指标与各种实体瘤患者具有较长的总生存期相关;但不同肿瘤对这三个指标的“敏感度”不同,下面分别详细介绍。
1、乳腺癌
很多项研究报道了以上四项血常规结果与乳腺癌预后的关系。
 
近期,有学者在114例接受PB方案治疗的HER2阴性晚期乳腺癌患者(多数为ER+)中,回顾性分析探讨了血常规淋巴细胞相关指标与PB治疗预后的关系。治疗失败时间(TTF)和总生存期(OS)是该研究中分析的主要生存指标。这两个生存指标都是越长越好,表明患者预后越好。
 
结果显示:淋巴细胞绝对数(ALC)>1500/μL、淋巴细胞/单核细胞比值(LMR)>3,中性粒细胞/淋巴细胞比值(NLR)≤3,血小板/淋巴细胞比值(PLR)≤300,都和TTF有关,也就是说,患者有较长的疗效获益时间。
 
这提示这些血常规指标或能预测HER2阴性晚期乳腺癌患者接受PB的疗效获益时间。

图1 四项血常规指标与至治疗失败时间(TTF)的关系

(A)ALC;(B)NLR;(C)PLR;(D)LMR

总生存期是肿瘤生存获益的“金标准”,那么四项血常规指标也和总生存期相关呢?结果也差不多。通过生存分析曲线,我们发现淋巴细胞绝对数(ALC)、淋巴细胞/单核细胞比值(LMR)、中性粒细胞/淋巴细胞比值(NLR)这三项指标与总生存期具有相关性,统计学上存在意义。血小板/淋巴细胞比值(PLR)也显示出一定相关性,但是没有其他三项显著(图2)。
和疗效获益时间类似,ALC>1500/μL、LMR>3、NLR≤3也和较长总生存期相关,这提示多项淋巴细胞相关指标对HER2阴性晚期乳腺癌患者的预后可能具有预测作用。

图2 四项血常规指标与总生存期(OS)的关系(A)ALC;(B)NLR;(C)PLR;(D)LMR

其他情况
  • 而使用艾瑞布林的患者,可重点看两个指标:ALC和NLR。ALC值高、NLR值低均与较长的总生存期有关。
  • 对雌激素受体ER阴性和Her-2阴性的乳腺癌患者来说,研究显示NLR值对预后的预测更有价值。NLR值较低的患者预后较好。
  • 对于亚洲的乳腺癌患者而言,PLR值较高可能与总生存期缩短有关,也与Her-2阳性相关,可作为乳腺癌患者预后不良的指标。
2、食管鳞癌
  • NLR值:高NLR组患者5年生存率为19.1%;低NLR组患者5年生存率为47.07%。(差别很大)

  • LMR值:高LMR组患者5年生存率为57%;低LMR组患者5年生存率为26%。(差别很大)

  • PLR值:高PLR组患者5年生存率为40.15%;低PLR组患者5年生存率为42.98%。(几乎无差别)

实验得出结论:NLR和LMR对食管鳞癌患者预后参考意义比较大。血常规NLR≥2.46、LMR<3.88的食管鳞癌患者生存期可能较短。
3、结肠癌
 
以下实验主要对比了结肠癌患者手术前血常规情况与术后5年生存率的关系。
  • NLR值:高NLR组患者5年生存率为37.8%;低NLR组患者5年生存率为83.1%。(差别很大)

  • LMR值:高LMR组患者5年生存率为73.2%;低LMR组患者5年生存率为50%。(有差别)

  • PLR值:高PLR组患者5年生存率为49.4%;低PLR组患者5年生存率为74.8%。(有差别)

实验结论:术前高NLR、高PLR、低LMR是局部进展期结肠癌预后的危险因素,其中,NLR值较高(>3.25)是独立的危险因素。实验还得出胃癌患者术前较低的NLR值,其术后生存期更长(与结肠癌患者数据相比)。
 
4、宫颈鳞癌
  • NLR值:高NLR组患者中位无进展生存期为19个月;低NLR组患者中位无进展生存期为32个月。(有差别)
  • LMR值:高LMR组患者中位无进展生存期为36个月;低LMR组患者中位无进展生存期为19个月。(差别很大)
  • PLR值:高LMR组患者中位无进展生存期为22个月;低LMR组患者中位无进展生存期为30个月。(差别不太大)
实验结论:NLR、LMR、PLR是宫颈癌患者预后的影响因素,其中,LMR是独立的危险因素,当LMR<5.19时患者预后可能比较差。(此实验对象均为IIb期宫颈鳞癌患者)
5、卵巢癌
 
实验选择的血常规数据增加了一项——“红细胞分布宽度(RDW)”。
研究发现:
  • NLR、RDW、PLR:与良性卵巢肿瘤患者相比,卵巢癌患者的这三项值较高;III、IV期宫颈癌患者的这三项值也均高于I和II期宫颈癌患者。

  • LMR:与上面三项值相反,肿瘤恶性程度越高,值反而越低。

6、所有实体瘤
  • PLR值较低,与各种实体瘤患者总生存期较长相关。
  • LMR值较高,与各种实体瘤患者总生存期较长相关。
  • NLR值:治疗方案无论是手术、新辅助+手术、放化疗还是不手术的患者,NLR值升高与预后不良有关。
淋巴细胞相关指标对癌症预后具有独立预测价值
我们看到四项血常规指标中,多数与生存指标均有相关性;不过,其他临床病理因素,例如转移部位和治疗情况也可能影响预后(表1)。那么,这些血常规指标是否对癌症预后有独立预测价值呢?我们来看看多因素分析的结果。

表1 预后影响因素的单因素分析

通过多因素分析,我们看到ALC>1500/μL、NLR≤3、PLR≤300与TTF获益呈独立相关;而ALC>1500/μL、NLR≤3、LMR>3与总生存期获益呈独立相关。这表明,加上这些血常规指标的话,能更好地预测患者的预后情况。

表2 TTF和OS的多因素分析结果

血常规化验比较简单,还能动态实时检测,用于监测癌症治疗和指导预后,意义重大。希望将来有更多大规模的研究进一步确定这些指标的价值,更好地帮助癌症治疗。

参考文献

Shogo Nakamoto, Masahiko Ikeda, Shinichiro Kubo, et al. Systemic immunity markers associated with lymphocytes predict the survival benefit from paclitaxel plus bevacizumab in HER2 negative advanced breast cancer. Sci Rep. 2021; 11(1): 6328. doi: 10.1038/s41598-021-85948-2.

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    2022-07-22 zwddoctor

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    0

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    2022-07-21 1209e435m98(暂无昵称)

    学习了,谢谢分享

    0

  6. [GetPortalCommentsPageByObjectIdResponse(id=1234035, encodeId=9772123403522, content=学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=0, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f1393951860, createdName=出处莫问6, createdTime=Fri Jul 22 15:10:14 CST 2022, time=2022-07-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1233990, encodeId=433c123399033, content=学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=55, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=1a272265480, createdName=12192b1am98暂无昵称, createdTime=Fri Jul 22 10:57:14 CST 2022, time=2022-07-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1233981, encodeId=c08e123398191, content=学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=63, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=cf2f2432532, createdName=123bc38bm68暂无昵称, createdTime=Fri Jul 22 10:04:53 CST 2022, time=2022-07-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1233976, encodeId=de7312339e691, content=认真学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=56, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=d3a31581237, createdName=zwddoctor, createdTime=Fri Jul 22 09:43:01 CST 2022, time=2022-07-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1233940, encodeId=ff651233940a3, content=学习了,谢谢分享, beContent=null, objectType=article, channel=null, level=null, likeNumber=54, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=7c592194322, createdName=1209e435m98(暂无昵称), createdTime=Thu Jul 21 23:58:06 CST 2022, time=2022-07-21, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1233906, encodeId=f6bc123390636, content=🉑, beContent=null, objectType=article, channel=null, level=null, likeNumber=35, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=a4238240732, createdName=ms3000000704132516, createdTime=Thu Jul 21 20:46:33 CST 2022, time=2022-07-21, status=1, ipAttribution=)]
    2022-07-21 ms3000000704132516

    🉑

    0

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