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近十几年来,膀胱原位癌的研究有了很大进展,下述的诸观点已得到了普遍的承认:原位癌几乎全是由高分化的,即有异常生物特性的间变细胞组成;它常是浸润性癌的先驱病变,并常与浸润性癌并存;膀胱镜有时也难以发现癌的病变部位,故尿的细胞学检查仍是诊断原位癌的一个重要方法;原位癌发生浸润前结果是好的,但预后无法估测;膀胱切除时,原位癌已有浸润者,生存率低;原位癌的发病率增加与整个膀胱癌发病率的增加是一致的,并不单单是因对本病认识提高的缘故。
In the past decade or so, much progress has been made in the study of bladder carcinoma in situ. The following opinions have been widely acknowledged: almost all of carcinoma in situ is composed of highly differentiated, ie, anaplastic cells with abnormal biological properties ; It is often the pioneer lesions of invasive cancer, and often coexist with invasive cancer; cystoscopy is sometimes difficult to find the lesion of the cancer, so urinary cytology is still an important method of diagnosis of carcinoma in situ; carcinoma in situ Pre-infiltration results are good, but the prognosis can not be estimated; cystectomy, carcinoma in situ has been infiltrated, low survival rate; increased incidence of carcinoma in situ and the overall incidence of bladder cancer is consistent, and Not only because of increased awareness of the disease’s sake.