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在众多已知的危险因素中,抽烟是膀胱癌发病因素中最重要的一种,若每天抽烟两包以上,则患病率是不抽烟者的7倍,作者一个人在同一医院连续收治了膀胱癌患者100例,特别注意抽烟与始初癌的期别、级别和复发的关系,他发现抽烟对始初癌的期与级没有明显的影响,但对肿瘤的复发则有明显的增加,例如,抽烟者患膀胱癌,行膀胱部份切除,术后易有膀胱复发,行全膀胱切除,术后则易有尿道复发。
Of the many known risk factors, smoking is the most important factor in the pathogenesis of bladder cancer. If more than two packs of cigarettes are smoked per day, the prevalence rate is seven times that of non-smokers. The author has been admitted to the same hospital continuously. 100 patients with bladder cancer, with particular attention to the relationship between smoking and initial cancer stage, grade and recurrence, he found that smoking had no significant effect on the stage and grade of initial cancer, but there was a significant increase in tumor recurrence. For example, smokers with bladder cancer undergo partial excision of the bladder and have a bladder recurrence after surgery. All patients underwent total cystectomy, and postoperative urethral recurrences are common.