9. Cancer Which Developed at Anus and its Vicinity

概要

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For about 20 years from 1953 up to 1972, we treated 29 cases of cancer at anus and its vicinity out of rectal cancer (8.7%). Out of these 29 cases, 25 cases were treated with abdominoperineal resection (Miles). The ratio of both sexes was 12: 19 in favor of female and age ranged from 29 to 79.<BR>The operation method is abdominoperineal resection in which a wide area of skin, subcutaneous fat and muscle is resected. Groin dissection is conducted in principle but in the cases where metastasis is suspected, more thorough dissection is applied. Dissection of superior rectal artery is done at the branching point of inferior mesenteric artery from aorta and it is dissected en bloc.<BR>Recently we apply arch incision (Cherney incision) to anal cancer as it facilitates dis-section of lymph nodes along the bilateral inguinal region and external iliac artery.<BR>Out of 29 cases, 15 suffered anal fistula which had persisted for long time. They were all muconodular adenocarcinoma.
日本大腸肛門病学会の論文