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血清CA125,CA19-9,CA50含量对消化系肿瘤的诊断价值
http://www.100md.com 1998年12月15日 《世界华人消化杂志》 1998年第12期
     福建省三明市第一医院消化病研究室 福建省三明市 365000

    黄跃,男,1960-12-24生,福建省尤溪县人,汉族. 1983年福建医学院医学系毕业,副院长,消化内科主任,副主任医师,发表学术论文5篇.项目负责人 黄跃,365000,福建省三明市第一医院消化病研究室,福建省三明市梅岭新村2幢402室.

    Correspondence to
Yue Huang, Gastroenterology Research Center, Sanming First Municipal Hospital,Sanming 365000, Fujian Province, China

    Tel. +86·598·8226353(H

    收稿日期 1998-05-25
, 百拇医药
    Diagnostic value of serum CA125, CA19-9 and CA50 in digestive neoplasms

    Yue Huang, Ming-Fang Lin and Xiao-Xue Qiu

    Gastroenterology Research Center, Sanming First Municipal Hospital, Sanming 365000, Fujian Province, China

    

    Abstract


    AIM To evaluate the diagnostic value of serum carbohydrate antigen (CA)125, CA19-9 and CA50 in digestive neoplasms.
, 百拇医药
    METHODS Of the 158 patients with digestive neoplasms, 38 patients had primary liver cancer, 21 esophageal carcinoma, 56 gastric carcinoma, 36 colorectal carcinoma and 7 pancreatic carcinoma. Of the 106 patients who suffered from benign digestive disease, 57 had cirrhosis, 49 gastric or duodenal ulcer. Forty healthy persons served as controls. Fasting blood was collected, and serum was separated and frozen at -20℃ until the analysis was made. The contents of serum CA125, CA19-9 and CA50 were measured by RIA and using SN-695 counter. Data were expressed by x±s. x±2s of control serum CA125, CA19-9 and CA50 was taken as upper limit to calculate the positive rates.
, 百拇医药
    RESULTS In liver cancer, gastric carcinoma, pancreatic carcinoma, colorectal carcinoma and esophageal carcinoma, the contents (all in kU/L) of serum CA125 (222±116,79±17,135±79,69±23 and 72±26),CA19-9 (237±108,281±132,838±224,252±136 and 273±146) and CA50 (25±9,20±7,18±9,18±8 and 17±7) were significantly higher than that in benign digestive diseases and normal controls (P<0.01). When digestive tract malignant tumors metastasized in abdominal cavity and other sites, serum CA125, CA19-9 and CA50 were increased more significantly.
, 百拇医药
    CONCLUSION Serum CA125, CA19-9 and CA50 are all better tumor markers for diagnosis of digestive neoplasms.

    Subject headings digestive system neoplasm/diagnosis; antigens, tumor-associated, carbohydrate/analysis; liver neoplasms/diagnosis; stomach neoplasms/diagnosis; colorectal neoplasms/diagnosis

    Huang Y, Lin MF, Qiu XX. Diagnostic value of serum CA125, CA19-9 and CA50 in digestive neoplasms.
, http://www.100md.com
    Huaren Xiaohua Zazhi,1998;6(12):1063-1064

    

    摘要

    
目的 评价血清CA125,CA19.9,CA50含量对消化系肿瘤的诊断价值.

    方法 消化系肿瘤患者158例,其中肝癌38例,食管癌21例,胃癌56例,结直肠癌36例,胰腺癌7例;消化系良性疾病患者106例,其中肝硬变57例,消化性溃疡49例;正常对照者40例. 全部受测对象均空腹抽静脉血,分离血清,-20℃贮存备测. 采用RIA法测定血清CA125,CA19-9,CA50含量,使用国产SN-695型γ计数仪. 数据均用x±s表示,以正常x±2s作为上限计算阳性率.
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    结果 肝癌、胃癌、胰腺癌、结直肠癌和食管癌血清(CA含量均以kU/L表达)CA125(分别为222±116,79±17,135±79,69±23和72±26),CA19-9(237±108,281±132,838±224,252±136和273±146)和CA50含量(25±9,20±7,18±9,18±8和17±7)显著高于正常对照组及消化道良性病变组(P<0.01). 消化道肿瘤有腹腔及远处转移者,其血清CA125,CA19-9,CA50含量升高更为明显.

    结论 血清CA125,CA19-9,CA50均为较好的肿瘤标记物,有助于诊断消化系统肿瘤.

    主题词 消化系统肿瘤/诊断;抗原,肿瘤相关,碳水化合物/分析;肝肿瘤/诊断;胃肿瘤/诊断;结直肠肿瘤/诊断

    黄跃, 林明芳, 邱小雪.血清CA125,CA19-9,CA50含量对消化系肿瘤的诊断价值.华人消化杂志,1998;6(12):1063-1064
, 百拇医药
    0 引言

    糖类抗原(carbohydrote antigen, CA)是癌相关抗原. 近年来血清肿瘤标志物的研究受到重视,有关糖类抗原在肿瘤诊断中的价值报道较

    多[1-3]. 我们测定了消化系肿瘤和良性病变患者血清CA125,CA19-9和CA50含量,并评价它们的诊断价值.

    1 对象和方法

    1.1 对象
消化系恶性肿瘤158例,男102例,女56例,平均年龄49.2岁±21.3岁. 包括肝癌38例,食管癌21例,胃癌56例,结直肠癌36例,胰腺癌7例. 消化系良性疾病106例,男72例,女34例,平均年龄52.4岁±20.8岁. 包括肝硬变57例,消化性溃疡49例. 正常对照组40例,男28例,女12例,平均年龄32.0岁±13.0岁,均为本院健康体检者和健康献血者. 消化系恶性肿瘤及消化系良性病变经检验、内镜、影像、手术及病理证实.
, 百拇医药
    1.2 方法 晨起抽空腹静脉血,迅速分离血清,-20℃贮存备测,采用RIA法分别测定CA125,CA19-9,CA50含量. CA125,CA19-9试剂盒由天津德普公司提供(美国洛杉矶Euro/DPC公司产品),CA50试剂盒由中国医学科学院肿瘤研究所佳科生物技术公司提供. 全部检测过程由专人严格按说明书进行,用国产SN-695型智能放射测量仪进行测量.

    统计学处理 所得数据均以x±s表示,显著性检验采用t检验和χ2检验. 以40例正常人CA125,CA19-9,CA50含量x±2s为正常值上限计算各组阳性率.

    2 结果

    消化系恶性肿瘤血清CA125,CA19-9,CA50含量均显著高于正常人和消化系良性病变患者. 消化系肿瘤有腹腔及远处转移者,其血清CA125,CA19-9,CA50含量均明显升高. 肝癌患者血清CA125明显高于其他消化系肿瘤患者,而胰腺癌患者血清CA19-9含量明显高于其他消化系肿瘤患者(表1). 各组血清CA125>25kU/L,CA19-9>24kU/L,CA50>10.2kU/L的阳性结果见表2.
, 百拇医药
    表1 消化系病患者血清CA125,CA19-9,CA50含量(x±s,kU/L)
分组nCA125CA19-9CA50
正常人4010±89±76±4
肝癌38222±116a236±108a25±9a
肝硬变5718±7b12±610±6b
胃癌5679±17a281±132a20±7a
消化性溃疡4910±611±56±4
胰腺癌7135±79a838±224a18±9a
结直肠癌3669±23a252±136a18±8a
食管癌2172±26a273±146a17±7a

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    aP<0.01,bP<0.05,vs 正常人.

    表2 消化系病患者血清CA125,CA19-9,CA50阳性率 n(%)
分组nCA125CA19-9CA50
正常人40
肝癌382463.2a1847.4a2257.9a
肝硬变57712.2814.0610.5
胃癌562646.4b2646.4b3562.5b
消化性溃疡4912.024.112.0
胰腺癌7342.9685.7d571.4
结直肠癌361952.81747.22261.1
食管癌211047.6942.81257.1

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    aP<0.01,vs肝硬变;bP<0.01,vs消化性溃疡;dP<0.01,vs其他消化系肿瘤.

    3 讨论

    CA125是一种与卵巢癌相关的抗原[1]. 近年来报道在胃癌、结直肠癌、胰腺癌有较高的阳性检出率[4,5]. 本研究表明,在消化系肿瘤患者中,血清CA125含量高于正常组和良性病变组,各类消化系肿瘤血清CA125含量均升高,肝癌组升高最显著. CA19-9主要由唾液糖酯和唾液糖蛋白组成,是非特异性肿瘤相关抗原,在由内胚层细胞分化而来的多种上皮类恶性肿瘤血清中均可见增高,临床多用于胰腺癌的诊断[2]. 本研究表明,血清CA19-9含量在消化系肿瘤患者中均明显高于正常组和良性病变组,而胰腺癌血清CA19-9又显著高于其他消化系肿瘤患者,与文献报道基本一致[2]. CA50主要分布在糖酯及高分子糖蛋白中. 本研究结果,在消化系肿瘤患者中,血清CA50含量高于正常组和良性病变组,各类消化系肿瘤血清CA50含量均明显升高,各组间无显著差别.
, 百拇医药
    以40例正常人CA125,CA19-9,CA50含量 x±2s为正常值上限,各组消化系肿瘤均有较高的阳性率. 肝癌组CA125阳性率(63.2%)明显高于其他消化系肿瘤组,胰腺癌CA19-9阳性率(85.7%)也显著高于其他消化系肿瘤. 肝癌、胃癌、食管癌和结直肠癌CA50的阳性率分别为57.9%,62.5%,57.1%和61.1%明显高于CA19-9的阳性率(47.4%,46.4%,42.8%,47.2%). 这是因为CA19-9只能查出Lewis血型阳性的肿瘤患者;而CA50对Lewis阳性或阴性的肿瘤患者都有可能查出,故CA50诊断肿瘤比CA19-9有更宽广的识别谱[6]. 值得注意的是肝硬变患者CA125,CA19-9,CA50假阳性率分别达12.2%,14.0%和10.5%,而消化系溃疡的假阳性率却很低. 因此血清CA125,CA19-9,CA50含量测定有助于鉴别胃肠道良恶性病变,在肝癌的鉴别诊断中,尚需排除肝硬变. 消化道恶性肿瘤伴局部及远处转移时,血清CA125,CA19-9,CA50均更显著升高,因此当这些含量明显升高时,应警惕有转移的可能.
, 百拇医药
    4 参考文献

    1 Pittaway DE. CA125 in women with emdometriosis.Obstet Gynecol Clin North Am, 1989;16(1):237-252

    2 Favero GD, Fabris C, Plebani M, Panucci A, Piccoli A, Perobelli L et al. CA19-9 and carcinoembryonic antigen inpancreatin

    cancer diagnosis. cancer, 1986;57(8):1576-1579

    3 Holmgren J, Lindholin Persson B. The detection by monoclonal antibody of carbohydrate antigen CA50 in serum of patients
, 百拇医药
    with carcinoma. Br Med J,1984;288(19):1479-1482

    4 孙文辉. 血清CA125,CA242监测恶性肿瘤病情进展的临床研究. 中国肿瘤临床与康复,1996;3(4):15-17

    5 Michael J, Conor J, Zauber A, Gottlieb LS, Winawer SJ. Precursors of colorectal carcinoma. Cancer,1992;70(5):1317-1327

    6 尹伯元主编. 放射免疫分析在医学中的应用. 第1版. 北京:原子能出版社,1991:328-331, 百拇医药