27年结直肠癌肠镜特点回顾性分析

Analysis of some colonoscopy and clinic characters on colorectal cancer

目的回顾性分析结直肠癌的肠镜特点,提高肠镜诊断水平,并加强预防意识.方法对1976年1月～2003年12月在该院行肠镜检查并确诊的结直肠癌患者进行统计分析.将患者按诊断时间分为A、B和C3组.结果3组中男女患者比例相似.A组中,40～50岁年龄段发病率最高,约36.4%;B和C组中,50岁年龄段以上发病率最高;近10年来,50岁以上的患者占了将近75%.直肠和左半结肠的发病比率逐年下降;而右半结肠的发病比率却逐年上升.结论结直肠癌的发病总例数有所增加;年龄以＞50年龄段为主;病变部位以左半结肠和直肠为主,但最近,右半结肠发病比率有上升趋势.肠镜检查有助于预防和降低发病率.

Objective: To retrospectively analyze the common characteristics of colonoscopy on colorectal cancer, to improve the diagonostic level, and to enhance the preventive consciousness. Methods: The data of colorectal cancer patients having been examined by colonoscopy from January 1976 to December 2003 were retrospectively analyzed. It was separated into three groups: A (1976~1985), B(1986~1995), C(1996～2003). Result: The proportion of sex was resemble. In the group A, the proportion of patients aged (40~50) years was 36.4%; In the group B and C, the patients were always more than 50 years old. In the recently decade, the proportion of patients more than 50 years was about 75%. The ratio of cancer in rectum and left colon was declined year after year, from 98.7% to 76.9%;however,the thing about right colon was reverse. In the all groups, adenocarcinoma is more than other cancer. Conclusion: The patients of colorectal cancer were more than past; patients′ age was always older than 50 years; Colorectal cancer centralized in rectum and left colon, recently, the ratio of cancer in rectum and left colon was declined, however, the thing about right colon was reverse. Colonoscopy helps to prevent the disease and to depress incidence of the disease.