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moncler outlet CA199、CA125在&#33391

 
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PostPosted: Tue 6:00, 01 Mar 2011    Post subject: moncler outlet CA199、CA125在&#33391

CA199、CA125在良恶性肝病诊断中的临床价值
性肝炎等。均根据其临床表现、生化、B超、a’等综合检查明确诊断,并排除肝占位病变。35名原发性肝癌患者,年龄l9~58岁,平均42.6岁,全部病例均经临床明确诊断,包括体征、实验室检查(AFP、AFP异质体等)、B超、CI1,部分病例经Mill证实,最后由病理证实。均按《中国常见恶性肿瘤诊治规范第二分册》原发性肝癌诊断标准确定,[link widoczny dla zalogowanych]。二、方法-于清晨空腹抽取静脉血3ml于干燥试管中。分离血清后,一20~C保存。采用免疫放射分析法测定CA199、CA125含量,试剂盒由法国oris公司提供,操作按说明书。结果一、正常人和良恶性肝病患者血清CA199、CA125含量见表1。表1正常人和良恶性肝病患者血清CA199、CA125含量P<0、1301(与正常人组和良性肝病组比较)二、血清Af1)含量的高低与血清CA199。CA125含量的关系见表2。表2血清AFP与CA199、CA125含量的关系,I<0.1301(与正常人组、良性肝病组比较)三、血清CA199、CA125在良、恶性肝病组测定的阳性结果检出率比较(表3)。表3血清C~,199、CA125阳性检出率比较P<O.001(与正常人组、良性肝病组比较)放射免疫学杂志2002年第J5卷第6期讨论CA199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细胞类恶性肿瘤患者血清中含量均可增高L3J。本文测得原发性肝癌组血清CA199含量非常显著地高于正常人组和良性肝病组(P<0.001)其升高的机理我们的初步分析是:由于患者的肝细胞变性坏死、肝组织细胞破坏严重,使有核细胞内的某些肿瘤标志物释放入血或因肝细胞基因突变,使抗原表达异常有关。本文结果与文献报告基本一致L4J,[link widoczny dla zalogowanych]。1983年Bast等人用卵巢浆液性乳突状囊腺癌细胞系OVCA433免疫BALB/c小鼠,并与骨髓瘤细胞进行杂交得到的一株单克隆抗体,取名为OC125,该单克隆抗体所识别的抗原称为CA125,将单克隆抗体应用于临床,发现80%卵巢上皮癌患者癌组织及血清内存在CA125,说明CA125是一种与卵巢癌相关的抗原[。本文结果表明,原发性肝癌组血清CA125水平非常显著地高于正常人组和良性肝病组(P<0.001)。其升高的机理尚不十分清楚,我们的初步分析是患者肿瘤细胞合成并分泌过多的异常蛋白(如铁蛋白、铜兰蛋白等)有关,或与其它细胞因子失调有关。本文还对AFP含量与CA199、CA125含量进行了分析,在AFP阴性的9例原发性肝癌中有6例CA199为阳性,[link widoczny dla zalogowanych],敏感性为66.7%。7例CA125为阳性,敏感性为77.8%,[link widoczny dla zalogowanych]。AFP阳性的26例中,CA199有2l例阳性,敏感性为80.8%,CA125阳性有l6例,敏感性为61.5%。总之,笔者认为,应用CA199、CA125检测对良、恶性肝脏疾病的诊断和鉴别诊断有重要的临床价值,值得在临床上推广应用,[link widoczny dla zalogowanych]。
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