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肛门上皮肿瘤约占结肠恶性病变的2%,主要有鳞状细胞癌和泄殖腔癌。作者报告29例肛门上皮肿瘤,17例(58%)为鳞状细胞癌,12例(42%)为泄殖腔癌。年龄35～91,平均63岁。男女各12和17例为1∶1.4。其中25例作 CT 检查。7例治疗前作CT,均发现直肠肿块,3例有直肠周围,腹股沟和/或腹主动脉旁淋巴结肿大。4例泄殖腔癌坐骨直肠窝和直肠周围脂肪内异常线影,3例鳞状细胞癌未见。治疗后19例作 CT 扫描,14例(74%)CT发现肿瘤复发,7例有上述部位及髂部淋巴结肿
Anal epithelial tumor accounts for about 2% of malignant lesions of the colon, mainly squamous cell carcinoma and cloacal cancer. The authors reported 29 cases of anal epithelial tumors, 17 cases (58%) of squamous cell carcinoma, and 12 cases (42%) of cloacal carcinoma. Age 35-91, average 63 years old. There were 1:1.4 males and 12 females and 17 females. Of these, 25 cases were examined by CT. CT scans were performed in 7 patients before treatment. Rectal masses were found. Three patients had perirectal, inguinal, and/or para-aortic lymphadenopathy. In 4 cases of cloacal carcinoma, abnormal lineages in the rectal rectum fossa and perirectal fat were observed, and 3 cases had no squamous cell carcinoma. After treatment, CT scans were performed in 19 cases, 14 cases (74%) showed tumor recurrence, and 7 cases had above-mentioned sites and axillary lymph nodes.