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引言在美国,膀胱癌的发病率居男性恶性肿瘤排名第四位,女性恶性肿瘤第九位,其新发病例数呈逐年增长趋势[1]。在我国,男性膀胱癌发病率位居泌尿生殖系恶性肿瘤发病率第一位,居全身肿瘤的第八位,女性排在第十二位以后[2]。膀胱癌可发生于任何年龄,
INTRODUCTION In the United States, the incidence of bladder cancer is the fourth highest in men with malignant tumors and the ninth in women with malignant tumors. The number of new cases is increasing year by year [1]. In China, the incidence of bladder cancer in men and women ranks first in the incidence of malignant tumors of the genitourinary tract, ranking eighth in systemic tumors, followed by women in the twelfth [2]. Bladder cancer can occur at any age,