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目的探讨洞庭湖地区结肠疾病的年龄分布特点。方法对乙状结肠镜检查２７０４例所见结肠疾病患者进行回顾性分析。结果慢性结肠炎、溃疡性结肠炎、肠息肉、大肠癌等４种疾病的检出率分别为２１９１（８１．０％），４２例（１．６％），１７６例（６．５％），２１４例（７．９％）。慢性结肠炎、溃疡性结肠炎的年龄分布在２５＿５４岁最高；肠息肉的检出率在＜１５岁组最高，其年龄分布在２５＿３４岁最多，５５＿６４岁组次之，＞６５岁组则显著减少；大肠癌的检出率随年龄增长而增高，其年龄分布在４５＿５４岁组最高。结论结肠疾病的年龄分布反映了其内在的联系以及相互之间的演变关系
Objective To investigate the age distribution of colon diseases in Dongting Lake. Methods A retrospective analysis was performed on 2704 patients with colon disease undergoing sigmoidoscopy. Results The detection rates of four diseases including chronic colitis, ulcerative colitis, intestinal polyps and colorectal cancer were 2191 (81.0%), 42 (1.6%), 176 (6.5%) , 214 cases (7.9%). The age distribution of chronic colitis and ulcerative colitis was the highest in 25-54 years old. The detection rate of intestinal polyps was the highest in <15 years old group, with the highest age distribution in 25-34 years old group, followed by 55-64 years old group, and> 65 years old group The detection rate of colorectal cancer increased with age, and its age distribution was the highest in 45-54 age group. Conclusions The age distribution of colorectal diseases reflects their internal relations and the evolutionary relationship with each other