【摘要】 目的：探讨免疫便潜血试验对临床诊断结直肠恶性疾病的重要意义。方法：选择于笔者所在医院进行免疫便潜血试验(IFOBT)及化学便潜血试验(CFOBT)患者共293例，并行大肠镜检查结合病理确诊。结果：IFOBT对结直肠癌、炎症性结直肠病、结直肠息肉及正常结直肠的阳性准确率高于CFBOT，差异均有统计学意义(P<0.05)；两种方法对非特异性结直肠炎的阳性准确率比较差异无统计学意义(P>0.05)。结论：IFBOT对早期临床诊断结直肠息肉、炎症性结直肠病和结直肠癌明显好于CFBOT，阳性诊断准确率明显较高。

    【关键词】 化学法便潜血试验； 免疫法便潜血试验； 结直肠疾病

    中图分类号 R446.6 文献标识码 B 文章编号 1674-6805(2016)15-0048-02

    【Abstract】 Objective：To discuss the value of immunochemical fecal occult blood test (IFOBT) in the diagnosis of colorectal diseases.Method：Two hundred and ninety-three patients who were given IFOBT and chemical fecal occult blood test(CFOBT) were enrolled in this study.They were definitely diagnosed by total colonoscopy combined with pathology.Result：The positive accuracy rates of IFOBT in the diagnosis of colorectal cancer ......