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In this report, we analysed the clinical findings of 505 cases that undertook total colonoscopic examination from March, 1990 to March, 1996. The results were followings ; 1) The most common age groups were 30's and 40's which were 38.4% of tonal patients. The sex ratio of male to female was close to one. 2) The patients' chief complaints were abdominal pain(36.5%), bloody stool(18%), diarrhea(17.2%), abdominal bloating(7.5%), bowel habit change(6.7%) in order. 3) Among the 505 cases of total colonoscopic findings, colitis was found in 132 cases(27.1%), colon cancer in 75 cases(14.8%), polyps in 42 cases(8.3%), hemorrhoid in 22 cases(4.3%) and normal in 196 cases(38.8%). 4) Among the 42 cases of polyps, gastroscopic polypectomy was done in 18 cases(39.0% ). The most common histologic type was tubular adenoma which included 25 cases(54.0%). Two cases out of 25 cases in tubular were colorectal cancer with polyp remnant. 5) The success rate of total colonoscopy was 95.6% with failure in 4.4%. The causes for the failure of total colonoscopic examination turned out to be poor preparation in 12 cases(54.5%) and pain in 9 cases(40.9%).
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