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目的探讨粪便隐血试验及结肠镜检查作为大肠癌筛查主要方式的临床价值。方法 2007～2009年对沙湾地区无症状及有下消化道症状自愿体检的患者,先行大便隐血试验阳性者进行结肠镜检查,对检查结果进行分析。结果≥40岁受检者共413例,粪便隐血试验阳性者69例,阳性率16.71%,共24例发现了58枚结肠息肉,包括腺瘤性息肉38枚,炎性息肉8枚,增生性息肉12枚;发现结肠癌13例,直肠癌5例,恶性淋巴瘤1例。<40岁自愿体检者94例,粪便隐血试验阳性者6例,阳性率6.38%,3例患者发现了4枚结肠息肉,包括腺瘤性息肉1枚,炎性息肉2枚,增生性息肉1枚;发现直肠癌1例。结论对无症状自愿体检患者进行粪便及结肠镜检查能较早发现大肠息肉,对大便隐血试验阳性患者行全结肠镜检查更适合于对基层广大农牧民结直肠癌的筛查。
Objective To investigate the clinical value of fecal occult blood test and colonoscopy as the main method of colorectal cancer screening. Methods From 2007 to 2009, patients with asymptomatic and lower gastrointestinal symptoms in Shawan were enrolled in this study. Colonoscopy was performed on patients with positive occult blood test and the results were analyzed. Results A total of 413 patients aged ≥40 years, fecal occult blood test was positive in 69 cases, the positive rate of 16.71%, a total of 24 cases found 58 colon polyps, including adenomatous polyps 38, 8 inflammatory polyps, proliferative 12 polyps; found in 13 cases of colon cancer, rectal cancer in 5 cases, 1 case of malignant lymphoma. 94 cases of voluntary physical examinations at age 40, 6 cases of fecal occult blood test positive, the positive rate of 6.38%, 3 patients found four colon polyps, including adenomatous polyps 1, inflammatory polyps 2, hyperplastic polyps 1 Pieces; found in 1 case of rectal cancer. Conclusion Aspirin and colonoscopy can detect colorectal polyps early in patients with asymptomatic voluntary examination, and colonoscopy is more suitable for the screening of colorectal cancer in the majority of grass-roots herdsmen.