术前贫血对急性颅脑损伤手术术中输血患者的影响

目的:观察术前贫血对急性颅脑手术术中输血患者术后转归的影响。方法:回顾性分析2019年1月—2021年9月颅脑手术术中输血患者298例,其中167例纳入研究,按术前是否贫血[男性血红蛋白(Hb)≤120 g/L,女性Hb≤110 g/L]分为非贫血组(n=121例)和贫血组(n=46例),收集2组的临床资料、术中出血量、术中输血、术前和术后24 h实验室检查结果、术后住院天数、术后ICU停留时间及住院死亡率等数据进行统计分析。结果:(1)298例急性颅脑手术术前贫血发生率15.4%;(2)贫血组与非贫血组比较：术中出血量(1 110.22±619.39) mL vs (1 001.65±407.02) mL、术中输红细胞量(4.68±3.02) U vs (3.72±2.33) U,术后24 h Hb水平(87.59±13.49) g/L vs (107.11±16.84) g/L、术后24 h血小板计数(136.15±71.12)×10⁹/L vs (146.95±50.18)×10⁹/L,2组差异有统计学意义(P<0.05)。2组术...     

动脉化疗对进展期胃癌CEA mRNA及CK19 mRNA表达的影响

目的:探讨外周血细胞CEAmRNA,CK19mRNA水平与胃癌EAP方案介入化疗近期疗效相关意义.方法:选择30例中晚期胃癌患者(Ⅱ期3例,Ⅲ期15例,Ⅳ期12例),于EAP(VP-16 ADM CBP)介入化疗前2-3d及化疗后2-3wk取外周血,全自动发光免疫法检测血清CEA及TPA,逆转录聚合酶链反应检测CEA及CK19mRNA.用超声内镜(EUS)结合CT测量肿块对化疗的有效率(CR PR)情况.结果:介入化疗前后外周血CEA及CK19mRNA均有显著差异[CEA:60.0%(18/30)vs33.3%(10/30),χ2=4.29,P<0.05;CK19:73.3%(22/30)vs46.7%(14/30),χ2=4.34,P<0.05].CEA及CK19mRNA联合检测阳性率在介入化疗前后也有显著差异[90.0%(27/30)vs50.0%(15/30),χ2=8.52,P<0.05].影像学诊断显示,外周血CEAmRNA,CK19mRNA联合检测阳性患者治疗前后分别为16例及5例(χ2=8.86,P<0.05).结论:外周血细胞CEAmRNA、CK19mRNA水平在EAP方案介入化疗后阳性率显著下降,CEAmRNA、CK19mRNA联合检测的敏感性高于血清CEA、TPA联合检测,可反应EAP方案介入化疗后肿瘤体积的变化情况.     

化疗对肺癌患者外周血Th1/Th2的影响及茶多酚的调控研究

目的 探讨化疗对肺癌患者外周血Th1/Th2的影响和茶多酚的调节作用. 方法 应用流式细胞技术分别检测45例肺癌患者和30名正常人(对照组)外周血Th1、Th2细胞因子以及化疗后肺癌患者外周血中Th1/Th2细胞因子的表达,观察茶多酚的调节作用.结果 45例肺癌患者外周血中CD 4T淋巴细胞、Th1、Th2细胞的水平分别为1.0±0.31、7.3±2.1和5.1±2.2,对照组外周血中CD 4T淋巴细胞、Th1、Th2细胞的水平分别为1.9±0.11、14.9±5.5和3.3±1.6(P＜0.01).随着肿瘤的不断发展,Ⅲ～Ⅳ期Th1细胞的水平明显低于Ⅰ～Ⅱ期,Th2细胞的水平高于Ⅰ～Ⅱ期.肺癌伴淋巴结转移者其Th2细胞的水平高于不伴淋巴结转移者(P＜0.01),而Th1细胞的水平却明显低于不伴淋巴结转移者(P＜0.01).化疗后肺癌患者外周血中CD 4T淋巴细胞的水平(0.42±0.12和0.67±0.23)明显低于化疗前的水平(1.0±0.29和1.0±0.32),P＜0.01;化疗后肺癌患者外周血中Th1、Th2细胞的水平与化疗前比较,差异有显著性(P＜0.01或＜0.05).结论 肺癌患者体内存在着Th1/Th2的失衡,化疗可影响机体的免疫功能,茶多酚具有上调作用.     

TACE治疗晚期原发性肝癌30例效果观察

目的观察肝动脉化疗栓塞术（TACE）治疗晚期原发性肝癌的效果。方法将60例晚期肝癌患者随机分为观察组和对照组,各30例,分别行TACE治疗和传统保守治疗）。比较两组治疗前后血清AFP、CEA水平和癌灶变化。结果观察组术后血清AFP、CEA分别为（123±80）、（200±10）μg／L,均明显低于术前及对照组术后,CT癌灶最大径明显小于术前和对照组术后（P均〈0．05）。对照组发生急性肝功能衰竭8例,观察组为1例（P〈0．05）。结论晚期肝癌患者宜采用TACE治疗。     

急性冠状动脉综合征患者辅助性T细胞9检测及其临床意义

目的 探讨辅助性T细胞9(Th9)及白细胞介素(IL)-9在急性冠状动脉综合征(ACS)患者外周血中的变化及其临床意义.方法 纳入ACS患者及健康体检者各95例,使用流式细胞术检测受试者外周血Th9比例,使用免疫酶联吸附试验(ELISA)检测血清IL-9和C反应蛋白(CRP)水平,比较Th9比例及IL-9水平在两组间的差异,同时分析它们与CRP的关系.结果 ACS患者外周血Th9细胞比例显著高于对照组[(4.31±1.02)％vs.(1.29±0.32)％,P＜0.01],IL-9水平亦显著高于对照组(6.31 ng/L vs.1.02 ng/L,P＜0.01);ACS患者血清CRP水平亦显著高于对照组(32.18 μg/ml vs.2.41 μg/ml,P＜0.01).ACS患者血清Th9比例(r=0.52,P＜0.01)及IL-9水平(r=0.46,P＜ 0.01)均与CRP呈正相关.结论 ACS患者外周血Th9比例及血清IL-9水平均高于对照组,且与CRP水平呈正相关,Th9可能参与了ACS发生发展.     

胃癌患者血清肿瘤标志CA50和CEA的意义

目的比较胃恶性和良性病变血清人类结肠癌抗原 CA50和 CEA 的变化。方法用放射免疫法测定33例健康对照和86例胃部疾病(胃癌34例,胃溃疡27例和慢性萎缩性胃炎25例)患者血清 CA50和 CEA 含量,胃癌包括窦部27例,体部3例和底部9例,组织学类型包括腺癌21例,上皮癌4例和未分类9例;胃溃疡包括窦部18例,体部3例和底部9例;萎缩性胃炎均伴有肠上皮化生。结果与正常人比较,胃癌血清 CA50(112.67±38.36 kU/L vs 16.26±6.14 kU/L,P<0.01)和 CEA(10.28±3.76μg/L vs 3.12±1.03 μg/L,P<0.01)明显升高;CA50(>22 kU/L)阳性率在胃癌是53.0%(18/34),CEA(>5 μg/L)阳性率是55.8%(19/34);CA50和 CEA 升高呈正相关(r=0.648,P<0.01)。胃癌手术后(n=21),血清 CA50(46.4±25.9 kU/L,P<0.01)和 CEA(6.85±2.43μg/L,P<0.01)有明显下降。胃溃疡和萎缩性胃炎血清 CAS0(P<0.05)轻度升高,而 CEA 无明显变化(P>0.05)。结论血清 CAS0和 CEA 升高可作为诊断晚期胃癌的指标,胃癌手术后血清 CA50和 CEA 明显降低,提示联合测定血清CA50和 CEA 对晚期胃癌的诊治有一定临床意义。     

食管癌患者围术期监测血清CEA、CA125、CA19-9和βHCG的临床意义

目的 探讨监测血清癌胚抗原(CEA)、糖类抗原125(CA125)、糖类抗原19-9(CA19-9)、β-人绒毛膜促性腺激素(βHCG)手术前后水平动态变化在食管癌患者治疗中的应用价值.方法 用化学发光免疫法测定50例食管癌患者血清CEA、CA125、CA19-9、βHCG术前、术后1 w、1、3个月水平,并设10例健康体检者为对照组.结果 食管癌患者CEA、CA125、CA19-9术前血清水平显著高于健康对照组(均P＜0.01),βHCG术前血清水平和正常组无显著性差异(P＞0.05);食管癌患者CEA、CA125、CA19-9术后1 w、术后1、3个月血清水平显著低于术前(均P＜0.05),βHCG术后1 w、术后1、3个月血清水平和术前血清的水平无显著性差异(P＞0.05);食管癌患者CEA、CA125、CA19-9术后1个月、术后3个月水平和正常组无显著性差异(P＞0.05);食管癌患者CEA、CA125、CA19-9术前血清水平和肿瘤临床分期呈正相关(P＜0.05);食管癌患者CEA、CA125、CA19-9术前血清阳性率水平和肿瘤分化程度无统计学意义(P＞0.05).结论 食管癌患者术前术后CEA、CA125、CA19-9血清动态水平变化监测可作为手术疗效监测指标用于临床.CEA、CA125、CA19-9术前血清水平和临床分期正相关;CEA、CA125、CA19-9术前血清阳性率水平与分化程度无相关.     

高龄患者胰十二指肠切除术分析

目的分析70岁以上老年人胰十二指肠切除术（PD）临床资料并探讨其安全性。方法回顾性分析老年人行PD的临床资料,将90例50岁以上PD手术病例分成≥70岁（高龄组,n＝27）和＜70岁（低龄组,n＝63）两组,分析两组术前Karnofsky功能状态（KPS）评分、入院时血红蛋白（Hb）、血细胞比容（Hct）、血浆白蛋白（ALB）、血清总胆红素（TBIL）、血浆前白蛋白（PALB）、血糖、血钾、手术时间、术中失血量、术后重症监护病房（ICU）入住率、术后住院日、术后并发症发生率及术后死亡率。结果高龄组与低龄组比较,术前KPS评分低[（71.11±6.98） vs （85.40±6.43）,P＜0.01]、血浆ALB低[（34.86±4.54） vs （37.02±4.13）g/L,P＜0.05]、PALB低（127.36±41.19） vs （160.27±57.11）g/L,P＜0.05）、血糖高[（8.47±3.68） vs （6.41±2.12）mmol/L,P＜0.05]、血钾低[（3.38±0.48） vs （3.81±0.45）mmol/L,P＜0.01]、术后ICU入住率高（81.48%vs 39.68%,P＜0.01）,两组间的差异均有统计学意义。两组并发症发生率差异无统计学意义（48.15% vs 39.42%,P＞0.05）。高龄组无住院期间手术死亡,低龄组有2例术后30d内死于并发症。结论严格掌握适应证,重视术前内环境调整,术后积极ICU治疗,≥70岁高龄患者行PD是安全可行的。     

支气管肺泡灌洗液肿瘤标志物检查诊断肺鳞状细胞癌价值分析

目的:探讨支气管肺泡灌洗液(BALF)及血清中鳞状细胞癌相关抗原(SCC)、可溶性细胞角蛋白19片段(CYFRA 21-1)、癌胚抗原(CEA)浓度对肺鳞状细胞癌的诊断、TNM分期及预后的临床意义。方法:选择经组织病理学和(或)细胞学确诊的40例肺鳞状细胞癌患者作为观察组,40例肺部炎性病变患者作为对照组,采用日本Pentax EPS 3500型电子支气管镜,经气管镜收集BALF,应用酶联免疫吸附法测定两组患者BALF及血清中SCC浓度,应用化学发光法测定两组患者BALF及血清中CYFRA21-1及CEA的浓度。结果:(1)观察组BALF中SCC[(49.6±15.4)vs.(2.1±0.8)μg/L,P=0.000]、CYFRA 21-1[(245.6±95.5)vs.(2.0±0.9)μg/L,P=0.000]、CEA[(15.6±5.5)vs.(3.6±1.4)μg/L,P=0.000],血清中SCC[(13.1±6.0)vs.(1.8±0.7)μg/L,P=0.000]、CYFRA 21-1[(20.4±10.3)vs.(1.9±0.9)μg/L,P=0.000]、CEA[(5.7±2.2)vs.(3.2±1.2)μg/L,P=0.000]均高于对照组,差异有统计学意义(P<0.01)。(2)观察组BALF中SCC[(49.6±15.4)vs.(13.1±6.0)μg/L,P=0.000]、CYFRA 21-1[(245.6±95.5)vs.(20.4±10.3)μg/L,P=0.000]、CEA[(15.6±5.5)vs.(5.7±2.2)μg/L,P=0.000]均高于血清,差异有统计学意义(P<0.01)。(3)观察组Ⅲ~Ⅳ期BALF中SCC[(63.8±10.4)vs.(41.9±11.9)μg/L,P=0.000]、CYFRA 21-1[(328.3±61.0)vs.(201.1±80.0)μg/L,P=0.000]、CEA[(20.5±4.0)vs.(12.9±4.2)μg/L,P=0.000]均高于Ⅰ~Ⅱ期,差异有统计学意义(P<0.01)。结论:BALF中SCC、CYFRA 21-1及CEA的检测对肺鳞状细胞癌的早期诊断有较好的临床价值,同时对临床分期、监测病情、判断预后也有一定临床价值,值得在临床上推广应用。     

CCR9在非小细胞肺癌患者外周血CD4+ T淋巴细胞中的表达及其对趋化活性的影响

目的：探讨CC族趋化因子受体9（ CCR9）在非小细胞肺癌（ NSCLC ）肿瘤免疫机制中的作用。方法采用流式细胞术检测42例NSCLC患者和30名健康人手术前后T细胞亚群以及外周血中CD4＋T淋巴细胞表面CCR9的表达情况,计数各组细胞表达的百分率。免疫磁珠分选外周血CD4＋T淋巴细胞,采用transwell实验检测并分析CCL25/CCR9对CD4＋T淋巴细胞迁移的影响。结果 NSCLC患者外周血T淋巴细胞亚群均降低,术后外周血CD4＋T淋巴细胞、CD4＋/CD8＋比值均明显高于术前[（49.11±8.32） vs （46.17±8.71）,P＝0.031和（1.66±0.09） vs （1.44±0.06）,P＝0.001];术前CD4＋CCR9＋T淋巴细胞的百分率低于术后[（3.33±1.11） vs （6.57±1.92）,P＜0.05]和健康对照组[（3.33±1.11） vs （11.06±1.37）,P＜0.05]。在CCL25诱导下,NSCLC患者外周血CD4＋T淋巴细胞趋化指数（CI）为3.14,明显低于健康对照组的3.83（ P＜0.05）。经过anti-CCR9单抗处理后,CD4＋T淋巴细胞的CI为0.62,与未经anti-CCR9 mAb处理者相比明显降低（ P＜0.05）。结论 NSCLC患者外周血T淋巴细胞调节机制紊乱,CL25/CCR9相互作用可介导外周血CD4＋T淋巴细胞迁移,NSCLC患者外周血淋巴细胞中CCR9低表达,影响淋巴细胞迁移,可能与肿瘤逃避免疫监视的机制有关。手术可以逆转CD4＋T淋巴细胞表面CCR9的表达变化, CCR9可能作为评价肺癌治疗后免疫重建的指标。     

Prostate-specific antigen kallikrein and the heart

Currently, there is growing interest regarding prostate-specific antigen (PSA) and the cardiovascular system. Increased PSA serum levels have been reported after prolonged cardiopulmonary resuscitation, cardiac surgery, extracorporeal cardiopulmonary bypass, acute myocardial infarction (AMI) and coronary artery stenting. The possible role of PSA in cardiac events has been questioned due to the finding of PSA decrease during AMI and by the correlation of variation in PSA levels with coronary lesions and occurrence of major adverse cardiac events. Complexed PSA forms and uncomplexed PSA forms are observed in the bloodstream but the increasing formation of irreversible bound PSA seems to be a crucial finding during AMI. Large studies need to be carried out to confirm these preliminary results and to elucidate unclear aspects. These findings present many potential directions for future research including the role of uncomplexed forms of PSA, the possible distribution of PSA in the heart, the relative expression levels in heart disease states, the mode of expression regulation and other potential specific substrates. The journey of PSA investigation could be longer than initially expected.     

联合检测HBV前S1抗原和核心抗原的临床意义

探讨联合检测血清HBV前s1抗原（preSl）和核心抗原（HBcAg）（均为HBV核酸相关抗原，nucleic acids related antigen，HBV NRAg）的意义及临床价值。方法：采用ELISA法对393份HBsAg、HBV DNA双阳性的血清和612份HBsAg阴性血清进行HBV NRAg检测，所有标本均采用多区段巢式PCR确认阳性、阴性，采用荧光定量PCR法进行HBV DNA定量分析。结果：393份HBsAg、HBV DNA双阳性血清中，HBV NRAg阳性为382份，其阳性率为97．2％；612份HBsAg阴性的血清标本中，609份确认为HBV DNA阴性，其中检出2份HBV NRAg阳性，607份为阴性，其HBV NRAg的阴性率为99．7％（607／609），另3份HBsAg阴性血清HBV DNA阳性者，其HBV NRAg均为阳性。结论：联合检测preSl和HBcAg的HBV NRAg可作为临床HBV感染的筛选及判断HBV复制的有意义的补充项目。     

Quantification of hepatitis B surface antigen and E antigen: correlation between Elecsys and Architect assays

Quantification of hepatitis B surface antigen (HBsAg) and hepatitis B e antigen (HBeAg) and their change model during treatment are emerging as a useful tool for assessing the outcome of hepatitis B virus (HBV) infection and predicting the efficacy of antiviral therapy. The aim of this study was to compare the performance of the Elecsys and Architect assays for HBsAg and HBeAg quantification. Quantification of HBsAg and HBeAg, determined by these two assays, were assessed in 1292 sera from patients with chronic hepatitis B(CHB). HBeAg quantification in serum was performed by calibrating the results through HBeAg Paul‐Ehrlich international (PEI) reference standard. The HBV genotype was determined by direct sequencing and phylogenetic analysis. Of 1292 samples, the distribution of genotype was 514 (39.78%) genotype B, 776 (60.06%) genotype C, 2 (0.16%) genotype D. The results of HBsAg and HBeAg quantification between the Architect and Elecsys assays were significantly correlated (HBsAg: r = 0.939; HBeAg: r = 0.987), independent of HBV genotype and treatment phase. The mean differences between the two methods (the log₁₀ [Elecsys] ‐ the log₁₀ [Architect]) were 0.075 log₁₀ IU/mL and ?0.149 log₁₀PE IU/mL in quantifying HBsAg and HBeAg, respectively. This study demonstrates a high correlation between the Elecsys and the Architect assays in quantifying HBsAg and HBeAg, regardless of HBV genotype. Both the two assays can be used to monitor the HBsAg and HBeAg levels in patients with chronic hepatitis B.     

弓形虫排泄-分泌抗原和可溶性速殖子抗原免疫原性的观察

目的观察弓形虫速殖子排泄-分泌抗原（excreted/secreted antigen,ESA）和可溶性速殖子抗原（soluble tachyzoite antigen,STAg）鼻内免疫小鼠的免疫原性。方法BALB/c小鼠随机分为4组,分别用PBS 20μl/只、体外排泄-分泌抗原（excreted/secreted antigenin vitro,ESAv）、腹腔排泄-分泌抗原（excreted/secreted antigen in mice,ESAm）和STAg各20μg/只鼻内免疫2次,间隔14 d。分别于末次免疫后14 d和44 d每组处死8只小鼠,计数肠上皮内淋巴细胞（intestinal intraepithelial lymphocytes,iIEL）和脾淋巴细胞,ELISA法检测血清IgG和小肠冲洗液sIgA抗体水平。结果实验期间,ESAm组小鼠于二次免疫后状态欠佳,其他各组小鼠健康状况良好。末次免疫后14 d,各抗原组脾淋巴细胞及iIEL均增殖活跃,细胞数与PBS组比较,差异具统计学意义（P〈0.05或P〈0.01）;至免疫后44 d,两种ESA组脾淋巴细胞及iIEL数与PBS组比较差异具统计学意义（P〈0.05）。各抗原组血清IgG水平在免疫后14 d和44 d均明显增高,与PBS组比较差异有统计学意义（P〈0.05或P〈0.01）。免疫后14 d肠液sIgA水平ESAv、ES-Am和STAg组与PBS组比较差异有统计学意义（P〈0.05或P〈0.01）,ESAm和STAg组与ESAv组比较差异有统计学意义（P〈0.05或P〈0.01）,两种ESA组在免疫后44 d与PBS组比较差异仍具统计学意义（P〈0.05）。结论ESAv、ESAm和STAg鼻内免疫均可诱导粘膜及系统的细胞和体液免疫应答,有较强的免疫原性。但ESAm可能对机体有毒副作用,不适宜直接鼻内免疫。     

刚地弓形虫排泄-分泌抗原和可溶性速殖子抗原免疫原性的观察

目的 观察刚地弓形虫速殖子排泄-分泌抗原(excreted/secreted antigen,ESA)和可溶性速殖子抗原(soluble tachyzoite antigen,STAg)鼻内免疫小鼠的免疫原性.方法 BALB/c小鼠随机分为3组,每组10只,分别用PBS 20μl/只、ESA和STAg各20μg/只鼻内...     

Co-expression of X-hapten-like antigen and antigen YH206 on mucin molecules

The asialocarbohydrate antigen YH206 is expressed on adenocarcinoma-associated mucin molecules which lack epitopes of CA19-9 and DU-PAN-2. To further characterize this molecule, the monoclonal antibody BM2 against the affinity-purified antigen YH206 was established. It was demonstrated by an inhibition test that antigen BM2 was an X-hapten-like structure, one of the representative oncodevelopmental antigens. Although the sensitivity of antigen BM2 in sera of stomach and pancreas cancer patients did not appear to be superior to that of antigen YH206, both antigens were complementary to each other resulting in the improvement of sensitivity. Interestingly, double-determinant enzyme immunoassays showed that antigen BM2 and YH206, both having a cryptic nature for neuraminidase, were co-expressed on the same mucin molecule in sera of patients with stomach cancer or liver cirrhosis. These data suggest that mucin molecules in serum might be classified into several groups based on the distribution of tumor-associated epitopes. This work was supported by Grant-in-Aid for Cancer Research from the Ministry of Education, Science and culture (A. Yachi, 01010054). and from the Ministry of Health and Welfare. Japan     

Hepatocellular carcinoma producing carcinoembryonic antigen

Summary A 78-year-old female with hepatocellular carcinoma and high serum levels of carcinoembryonic antigen is reported. Using a immunohistochemical technique, CEA was demonstrated within the cytoplasm of the tumor cells.     

丙型肝炎核心抗原检测在丙型肝炎诊断中的意义

目的了解丙型肝炎核心抗原（HCV-cAg）检测方法的敏感性及特异性,确定具有临床意义的S/CO值,探讨其在丙型肝炎诊断中的意义。方法使用ELASA方法检测丙型肝炎核心抗原,RT-PCR检测HCV RNA定量,观察不同S/CO值所对应的HCV RNA定量之间的关系,以HCV RNA为诊断金标准,列四格表做诊断实验。结果 HCV-cAg抗原检测的敏感性为87.05%,特异性为76.67%,阳性预测值为96.53%,阴性预测值为44.23%。结论 （1）随着HCV-cAg的S/CO值逐渐增大,其与HCV RNA阳性符合率明显增高,随着HCV-cAg的S/CO值减小,其与HCV RNA阴性符合率明显增高;（2）S/CO值=2可以作为临床判断HCV感染病毒血症存在的一个标准;（3）本实验的敏感性和特异性较好,检测方法简单,可以作为丙型肝炎临床诊断的补充试验及筛查。     

肝细胞癌和肝硬化组织中增殖细胞核抗原及Ki-67抗原的表达及意义

为探讨肝细胞癌 (HCC)和肝硬化组织中增殖细胞核抗原 (PCNA)及 Ki- 67抗原的表达及意义 ,采用免疫组织化学技术检测 PCNA和 Ki- 67抗原在 HCC和肝硬化组织中的标记指数 (L I)。结果显示 , 、 、 级 HCC的 PCNA L I分别为 (2 6.9± 17.4) %、 (3 3 .1± 2 2 .7) %、 (73 .8± 16.3 ) % ,各级之间差异均有显著性(P均 <0 .0 5 ) ;Ki- 67L I分别为 (2 5 .8± 15 .6) %、 (5 8.2± 18.6) %、 (75 .3± 2 0 .2 ) % ,各级之间差异均有显著性 (P均 <0 .0 5 ) ;但各级 HCC中的 PCNA L I和 Ki- 67L I差异均无显著性 (P均 >0 .0 5 )。肝硬化组织中 PCNAL I为 (8.8± 5 .2 ) % ,Ki- 67L I为 (7.9± 4.4) % ,两者之间差异无显著性 (P>0 .0 5 )。提示 HCC及肝硬化组织中 PCNA和 Ki- 67抗原的阳性率基本一致 ,HCC的分化程度与 PCNA或 Ki- 67密切相关 ;原位检测 HCC组织中PCNA或 Ki- 67抗原的表达 ,有助于判断 HCC分化程度及预后     

Preoperative serum carcinoembryonic antigen and carbohydrate antigen 19-9 levels for the evaluation of curability and resectability in patients with pancreatic adenocarcinoma

Background Purpose

Although carcinoembryonic antigen (CEA) and carbohydrate antigen 19-9 (CA19-9) are the most studied serum tumor markers that have been evaluated for diagnosis and prognosis in patients with pancreatic cancer, little is known of the value of these markers for the prediction of curability and resectability.

Methods

We retrospectively reviewed preoperative serum levels of CEA and CA 19-9 in 244 consecutive patients with pancreatic operations.

Results

Although 159 pancreatic operations seemed “resectable”, 93 of them were judged curative (R0) and the other 66 turned out to be noncurative (R1/2). The remaining 85 failed resection because of unexpected metastasis or locally advanced disease (LD), which was unresectable compared with levels in those patients without liver metastasis or LD. CEA levels were significantly higher in patients with liver metastasis and LD, while CA 19-9 levels were correlated with liver and peritoneal metastases. When both markers were negative, curative (R0) and respectable (R0 + R1/2) operation were performed in 70% and 85% of patients, respectively. Logistic regression analysis indicated that under conditions where both CEA and CA 19-9 were negative, the odds ratios for curative and respectable operations were 4.43 and 3.58, respectively.

Conclusions

Our data suggest that combined preoperative CEA and CA 19-9 levels are suitable for assessing expected curability and resectability in patients with pancreatic cancer.