Abstract
A 44-year-old middle-sized woman visited the hospital because of lower abdominal pain. Barium enema and lower abdominal series revealed a flat torous lesion in the rectum growing to make two steps and locating at about 5 cm distant from the anal ring, and about 1 cm oral-side from the dentate line. Biopsy showed a group V adenocarcinoma surrounded by adenoma of relatively great width. Accordingly, endoscopic polypectomy was inferred impossible, and surgical treatment was carried out. On operation an invaginating method which is capable of resecting the rectum under direct vision was selected among sphincter saving operations, and simultaneously covering colostomy was added. After absence of anastomotic leakage around the colon-to-anal anastomosed site was confirmed, transverse colectomy including colostomy was performed on the 49th day after the initial surgery. After that defecation was favorable. The patient was discharged from the hospital when he began having stable bowel movements with 2-3 times daily.
