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鳞癌是下生殖道最常见的恶性肿瘤,不论外阴、阴道和宫颈癌均有相同的发病机理和可能的病原。在原位癌发生前均有不同程度的发育异常。在外阴可有三种原位病变,原位癌Bowen氏病和乳腺外Paget氏病。后者有时合并起源于其下面汗腺的腺癌。浸润前病变一向用外科治疗,包括冷冻法、激光和腔内照射。由于浸润前癌的范围特别对外阴和阴道的病变不适宜保守性手术,故已广泛用局部化
Squamous cell carcinoma is the most common malignant tumor of the lower genital tract, regardless of genital, vaginal and cervical cancer have the same pathogenesis and possible pathogens. In situ carcinoma before the occurrence of varying degrees of dysplasia. In the vulva can have three kinds of lesions in situ, Bowen’s disease in situ and extramammary Paget’s disease. The latter sometimes merge with adenocarcinomas that originate in the sweat glands below it. Pre-infiltration lesions have always been surgical treatment, including freezing, laser and intracavitary irradiation. Since the scope of pre-infiltration of cancer in particular vulva and vaginal lesions is not suitable for conservative surgery, it has been widely used in localized