检验医学 ›› 2019, Vol. 34 ›› Issue (2): 122-125.DOI: 10.3969/j.issn.1673-8640.2019.02.006

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血清嗜铬粒蛋白A检测在神经内分泌肿瘤中的应用价值

吴俊, 卢仁泉, 郭林()   

  1. 复旦大学附属肿瘤医院检验科 复旦大学上海医学院肿瘤系,上海 200032
  • 收稿日期:2018-04-25 出版日期:2019-02-28 发布日期:2019-02-28
  • 作者简介:null
    作者简介:吴 俊,男,1987年生,学士,技师,主要从事临床免疫学检验工作。
  • 基金资助:
    国家自然科学基金(81572552);国家自然科学基金(81772774);上海市科学技术委员会基金(KW17411963500);申康中心辅助科室发展基金(SHDC22014002)

Role of serum CgA determination for neuroendocrine neoplasma

WU Jun, LU Renquan, GUO Lin()   

  1. Department of Clinical Laboratory,Shanghai Cancer Center,Department of Oncology,Shanghai Medical College,Fudan University,Shanghai 200032,China
  • Received:2018-04-25 Online:2019-02-28 Published:2019-02-28

摘要:

目的 探讨血清嗜铬粒蛋白A(CgA)在神经内分泌肿瘤(NEN)中的应用价值。方法 检测63例NEN患者(NEN组)、16例胃肠胰肿瘤患者(消化系统肿瘤组)和30名体检健康者(正常对照组)的血清CgA及糖类抗原(CA)19-9水平。记录NEN患者的临床病理特征(性别、年龄、肿瘤原发部位、肿瘤分级、有无远处转移)。采用受试者工作特征(ROC)曲线评价血清CgA诊断NEN的效能。结果 NEN组血清CgA水平明显高于消化系统肿瘤组和正常对照组(P<0.05),消化系统肿瘤组与正常对照组之间差异无统计学意义(P>0.05)。有远处转移的NEN患者血清CgA水平明显高于无远处转移的NEN患者(P<0.05)。不同性别、年龄、肿瘤原发部位、肿瘤分级的NEN患者之间血清CgA水平差异均无统计学意义(P>0.05)。ROC曲线分析显示,以正常对照组为对照,血清CgA诊断NEN的曲线下面积(AUC)为0.989,最佳临界值为47.31 ng/mL,敏感性为95.5%,特异性为92.3%;以消化系统肿瘤组为对照,血清CgA鉴别诊断NEN的AUC为0.948,最佳临界值为50.97 ng/mL,敏感性为84.8%,特异性为90.9%。血清CgA与CA19-9联合检测鉴别诊断NEN的AUC为0.956,敏感性为90.5%,特异性为81.8%。在32例经手术治疗的NEN患者中,有25例患者手术后血清CgA水平明显低于手术前(P<0.05),有7例患者手术前后血清CgA水平差异无统计学意义(P<0.05)。结论 CgA可用于NEN的辅助诊断和疗效监测,在预测肿瘤转移中也有一定的价值。

关键词: 嗜铬粒蛋白A, 神经内分泌肿瘤, 酶联免疫吸附试验

Abstract:

Objective To investigate the role of serum chromogranin A(CgA) determination for neuroendocrine neoplasma(NEN). Methods In 63 patients with NEN(NEN group),16 patients with gastrointestinal and pancreatic tumors(digestive system tumor group) and 30 healthy subjects(healthy control group) Serum CgA levels and carbohydrate antigen(CA)19-9 levels were determined. The clinicopathological characteristics(sex,age,the primary site of tumors,the grade of tumors and the presence or absence of distant metastasis) of NEN patients were recorded. The efficiency of serum CgA for the diagnosis of NEN was evaluated by receiver operating characteristic(ROC)curve. Results Serum CgA level in NEN group was higher than those in digestive system tumor group and healthy control group(P<0.05),and there was no statistical significance between digestive system tumor group and healthy control group(P>0.05). Serum CgA level in NEN patients with distant metastasis was higher than that without distant metastasis(P<0.05). There was no statistical significance for serum CgA levels in patients with different sex,ages,the primary sites of tumors and the grades of tumors(P>0.05). ROC curve analysis showed that the area under curve(AUC)of serum CgA in the diagnosis of NEN was 0.989,the optimal cut-off value was 47.31 ng/mL,the sensitivity was 95.5%,and the specificity was 92.3%. Using digestive system tumor group as control,the AUC of serum CgA for the differential diagnosis of NEN was 0.948,the optimal cut-off value was 50.97 ng/mL,the sensitivity was 84.8%,and the specificity was 90.9%. The AUC of serum CgA combined with CA19-9 was 0.956,the sensitivity was 90.5%,and the specificity was 81.8%. Compared with the results of preoperation,serum CgA level decreased in 25 of 32 NEN patients after operation(P<0.05). There was no statistical significance for serum CgA level before and after operation in the 7 patients(P<0.05).Conclusions CgA can be used for the assistant diagnosis and therapeutic monitoring of NEN,and it plays a role in predicting tumor metastasis.

Key words: Chromogranin A, Neuroendocrine neoplasma, Enzyme-linked immunosorbent assay

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