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| 1 | Faecal pyruvate kinase isoenzyme type M2 for colorectal cancer screening:A meta-analysis显示文摘AIM:To present a critical discussion of the efficacy of the faecal pyruvate kinase isoenzyme type M2(faecal M2-PK) test for colorectal cancer(CRC) screening based on the currently available studies.METHODS:A literature search in PubMed and Embase was conducted using the following search terms:fecal Tumor M2-PK,faecal Tumour M2-PK,fecal M2-PK,faecal M2-PK,fecal pyruvate kinase,faecal pyruvate kinase,pyruvate kinase stool and M2-PK stool.RESULTS:Stool samples from 704 patients with CRC and from 11 412 healthy subjects have been investigated for faecal M2-PK concentrations in seventeen independent studies.The mean faecal M2-PK sensitivity was 80.3%;the specificity was 95.2%.Four studies compared faecal M2-PK head-to-head with guaiacbased faecal occult blood test(gFOBT).Faecal M2PK demonstrated a sensitivity of 81.1%,whereas the gFOBT detected only 36.9% of the CRCs.Eight independent studies investigated the sensitivity of faecal M2-PK for adenoma(n = 554),with the following sensitivities:adenoma < 1 cm in diameter:25%;adenoma > 1 cm:44%;adenoma of unspecified diameter:51%.In a direct comparison with gFOBT of adenoma > 1 cm in diameter,47% tested positive with the faecal M2-PK test,whereas the gFOBT detected only 27%.CONCLUSION:We recommend faecal M2-PK as a routine test for CRC screening.Faecal M2-PK closes a gap in clinical practice because it detects bleeding and nonbleeding tumors and adenoma with high sensitivity and specificity. | Carolin Tonus Markus Sellinger Konrad Koss Gero Neupert | 2012 | World Journal of Gastroenterology2012，18，30： | 17 |
| 2 | 肿瘤型M2-PK、CEA与CA199检测在结直肠癌诊断中应用的临床观察显示文摘目的:通过分析肿瘤型M2-PK、CEA与CA199在结直肠癌患者中的检测结果,探讨对结直肠癌早期诊断与评判预后的有效检测手段。方法:选择健康体检者30例与结直肠癌患者45例,分析肿瘤型M2-PK、CEA与CA199在健康人群与不同结直肠癌分期(Dukes分期)中的改变,并分析肿瘤型M2-PK、CEA与CA199联合检测在结直肠癌患者中的敏感性、特异性与准确性。结果:以上三项肿瘤血清标志物与结直肠癌的进展呈正相关性(P<0.01),且不同Dukes分期患者与健康人差异具有统计学意义(P<0.05,P<0.01);血清tumor M2-PK检测的敏感性与准确性显著优于另两项指标(P<0.01,P<0.05),三项联合检测的敏感性与准确性则显著优于血清tumor M2-PK(P<0.01,P<0.05)。结论:血清tumor M2-PK、血清CEA和血清CA199检测可作为结直肠癌患者早期诊断与预后评估的有效指标,血清tumor M2-PK的敏感性与准确性优于其他两项指标,而三项联合检测可显著提高敏感性与准确性。 | 顾群浩 张晓东 蔡照弟 陈徽 罗振凌 冯寿全 | 2012 | 现代生物医学进展2012，12，31： | 2 |
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