由于对膀胱原位癌(CIS)的发展史迄今仍未澄清,所以对其治疗有很多争论。膀胱癌发展为浸润性癌的可能性很大,所以一般认为根治性膀胱全切除是最佳治疗方式。但是 CIS 的深层浸润率目前尚未作出正确的结论,加上浸润有时在很长时间后出现,因而作为保守疗法的局部化疗就应运而生,成为愈来愈多的泌尿外科医师所推崇的 CIS 初期疗法.一般讲 CIS 指的是有膀胱癌的患者,在肉眼可见的膀胱癌邻近或周围区域内发观有 CIS。近年来,越来越多的从无膀胱癌可见的患者被诊断为CIS 而称为原发性 CIS(PCIS)。本文所谈的 CIS Because of the history of bladder carcinoma in situ (CIS) has so far not been clarified, so the treatment of many controversies. Bladder cancer is highly likely to develop invasive carcinoma, so radical resection of the bladder is generally considered the best treatment. However, the deep infiltration rate of CIS has not yet made the right conclusion, plus infiltration sometimes appear after a long time, so as a conservative treatment of local chemotherapy came into being, more and more urologists are respected by the CIS early In general, CIS refers to patients with bladder cancer who develop CIS in the vicinity of or around the visible bladder cancer. In recent years, more and more patients who are seen without bladder cancer have been diagnosed with CIS and referred to as primary CIS (PCIS). CIS mentioned in this article