JCC:炎症性肠病完全结肠切除术后结肠外癌风险分析

2020-06-28 MedSci原创 MedSci原创

炎症性肠病患者罹患结肠外癌的风险增加。目前我们对于全结肠切除术后[TC]的这种风险知之甚少。

背景

炎症性肠病患者罹患结肠外癌的风险增加。目前我们对于全结肠切除术后[TC]的这种风险知之甚少。

 

方法

研究人员从丹麦国家患者登记处确定了在1977-2013年间接受过TC治疗的炎症性肠病的患者。结肠外癌的发病率是通过与丹麦癌症登记处的记录联系来确定的,并与普通人群的预期发病率进行比较。标准化的发病率[SIR]计算为观察到的与预期的癌症发生率之比。

 

结果

本项研究总共接受了4430例患者(3441例溃疡性结肠炎[UC]; 989例克罗恩病[CD]),随访TC后54183人年。手术后,有372名患者被诊断患有结肠外癌,而预期为331名[SIR = 1.1(95%置信区间{CI}:1.0–1.2)]。CD和TC患者的总体结肠外癌风险增加(SIR = 1.5 [95%CI:1.2–1.8]),但UC和TC患者未增加(SIR = 1.0 [95%CI:0.9–1.2] )。UC和TC患者患肠外结肠癌的风险更高(SIR = 2.0 [95%CI:1.4-2.7])。CD和TC患者患吸烟相关癌症(SIR = 1.9 [95%CI:1.2–2.9]),肠道结肠外癌(SIR = 3.1 [95%CI:1.6–5.5])和免疫介导的风险较高。

 

结论

与普通人群相比,CD行TC患者总体上患有结肠外癌的风险更高,而UC行TC患者则没有。

原始出处:

Anders Mark-Christensen. Et al. Extracolonic Cancer Risk After Total Colectomy for Inflammatory Bowel Disease: A Population-based Cohort Study. Journal of Crohn's and Colitis.2020.

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