血清癌胚抗原、糖类抗原199和肿瘤M2型丙酮酸激酶联合检测在结肠癌诊断中的价值

摘要

Objective To investigate the clinical value of combined detection of serum carcinoembryonic antigen (CEA),carbohydrate antigen 199 (CA199) and tumor type M2 pyruvate kinase (TuM2-PK) for the diagnosis of early colon cancer.Methods A total of 137 patients with colon cancer in the First Affiliated Hospital of Yunnan University of Traditional Chinese Medicine from February 2014 to November 2016 were selected as observation group,87 patients with benign colon disease were selected as control group,and 75 healthy subjects were selected as health group.The levels of serum CEA and CA199 were detected by electrochemiluminescence,and serum TuM2-PK level was determined by quantitative enzyme-linked immunosorbent assay.The diagnostic value of single and combined detection on early colon cancer were compared.Results The levels and positive expression rate of serum CEA,CA199 and TuM2-PK in the observation group were significantly higher than those in the control group and the health group(P ＜0.05).There was no significant difference in the levels and positive expression rate of serum CEA,CA 199,TuM2-PK between the control group and the health group (P ＜ 0.05).The sensitivity and Youden index of combined detection of CEA,CA199 and TuM2-PK were better than those of single or two indexes detection(P ＜0.05).The specificity of combined detection of CEA,CA199 and TuM2-PK was better than that of single detection and combined detection of CEA,CA199 (P ＜ 0.05).The combined detection of two or three indexes in CEA,CA199 and TuM2-PK had certain diagnostic value for colon cancer,the area under the receiver operating characteristic curve ≥0.70;and the area under the receiver operating characteristics curve of the combined detection of CEA,CA199 and TuM2-PK was the largest.Conclusion The combined detection of CEA,CA199 and TuM2-PK has the high diagnostic value for colon cancer.%目的 探讨血清癌胚抗原(CEA)、糖类抗原199(CA199)和肿瘤M2型丙酮酸激酶(TuM2-PK)联合检测在早期结肠癌诊断中的临床价值.方法 选择2014年2月至2016年11月云南中医学院第一附属医院收治的结肠癌患者137例为观察组,并选取同期良性结肠病患者87例为对照组,75例体检健康者为健康组,采用电化学发光法测定所有受试者血清CEA、CA199水平,采用定量酶联免疫吸附试验法测定血清TuM2-PK水平,比较单项及联合指标检测对早期结肠癌的诊断价值.结果 观察组患者血清CEA、CA199、TuM2-PK水平及阳性表达率均显著高于对照组和健康组(P＜0.05);对照组与健康组受试者血清CEA、CA199、TuM2-PK水平及阳性表达率比较差异均无统计学意义(P ＜0.05).CEA、CA199、TuM2-PK联合检测的灵敏度、约登指数均高于单一指标和2项指标联合检测(P＜0.05),CEA、CA199、TuM2-PK联合检测的特异性高于单一指标及CEA和CA199联合检测(P＜0.05).CEA、CA199、TuM2-PK中任2项联合检测与3项联合检测对结肠癌均有诊断价值,受试者工作特征曲线下面积均≥0.70,而CEA、CA199和TuM2-PK联合检测的受试者工作特征曲线下面积最大.结论 血清CEA、CA199和TuM2-PK联合检测对结肠癌具有较高的诊断价值.