患者男性、66岁,10年前肛周皮肤搔痒不适,表面糜烂流黄水,诊断为湿疹,外用抗生素软膏、肤轻松软膏及1％氢化考的松霜,症状时轻时重,但病变区逐渐扩大,1978年1月来院检查发现肛门右侧皮肤有6×8cm的表皮糜烂,水肿略厚并脱屑,切取活检报告为湿疹样癌,淋巴结及肛门指诊均阴性,于2月15日行乙状结 Patients male, 66 years old, perianal skin pruritus discomfort 10 years ago, the surface erosion flow yellow water, the diagnosis of eczema, topical antibiotic ointment, skin soft ointment and 1% hydrocortisone cream, light weight when the symptoms, but the lesion area Gradually expanded in January 1978 to hospital examination found that the right anus on the skin with 6 × 8cm of epidermal erosion, edema slightly thicker and scaling, cut biopsy report as eczema-like cancer, lymph nodes and anus are negative for fingerprinting, on February 15 Line sigmoid junction