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目的探讨近10年来佛山地区大肠腺瘤发病部位的分布特点及其变化趋势。方法总结分析佛山地区3家三级甲等医院2001-2010年经病理确诊的大肠腺瘤患者的临床资料。结果佛山地区大肠腺瘤的发病部位以直肠为主,占50.72%,左半结肠占29.06%,右半结肠占20.22%。从2001年至2010年,直肠腺瘤的比例从60.16%下降到46.65%,右半结肠腺瘤比例则从16.07%上升到24.47%。从≤30岁至71岁~年龄组,随着年龄增加,右半结肠腺瘤的比例从15.56%上升到22.23%,直肠腺瘤的比例从58.77%下降至46.29%。锯齿状腺瘤分布于直肠的比例较高,占62.59%。结论不同部位大肠腺瘤的临床特点有一定差异,体积大、绒毛成分多、异型增生程度高的腺瘤主要分布在直肠和左半结肠。年份、年龄、性别等因素可对不同部位的大肠腺瘤产生一定的影响。近年来老年人更易患右半结肠腺瘤,提示应重视全结肠镜检查。
Objective To investigate the distribution characteristics and the changing trend of the incidence of colorectal adenoma in Foshan in recent 10 years. Methods The clinical data of patients with pathologically confirmed colorectal adenoma in three Grade A hospitals in Foshan from 2001 to 2010 were analyzed. Results The incidence of colorectal adenoma in Foshan was mainly rectal, accounting for 50.72%, left half colon accounting for 29.06%, right half colon accounting for 20.22%. From 2001 to 2010, the proportion of rectal adenomas decreased from 60.16% to 46.65%, and the proportion of right-sided colon adenomas increased from 16.07% to 24.47%. From age 30 to age 71, the proportion of right-sided colonic adenomas increased from 15.56% to 22.23% with age, while the proportion of rectal adenomas decreased from 58.77% to 46.29%. Serrated adenomas located in the rectum a higher proportion, accounting for 62.59%. Conclusions The clinical features of colorectal adenomas in different sites are different. Large adenomas with large volume, villus components and high degree of dysplasia are mainly located in the rectum and left colon. Age, age, gender and other factors can affect different parts of the colorectal adenoma. In recent years, the elderly are more susceptible to right colon adenoma, suggesting that attention should be given to colonoscopy.