Abstract
During the last 9 months in Fukuchiyama National Hos-pital, the colonoscopy using CF-MB (Olympus) was performed to 135 subjects, as a screening examination, without fluoroscopy accordance with our "simplified preparetion method" which had been reported to be useful for observing the left colon. Out of them, 71 had no complaint but following signs considered to originate from the disturbance of the left colon were complained in 64, that is melena, abdominal pain, abdominal tumor or abnormal bowel movement. As a result of it, various diseases could be detected in 38 cases (25. 9 %) ; carcinoma, 3, polyp or polyposis, 20, diverticulum, 2, proctitis or colitis, 5 and malanosis coli, 5. Especially, 13 of 35 cases had no complaint and the frequency of these diseases correlate to the age distribution; the older the subjects were growing, the more frequently diseases were found. Therefore, the old people must be examined regardless to their complaints. Furthermore, 13 cases with anal bleeding were examined as an emergency colonoscopy within 7 days of its onset. In 7 cases, the bleeding source could be diagnosed endos-copically, but 2 were diagnosed only suspiciously and 4 could not be comf irmed in their bleeding source. Namely, at the time of anal bleeding, emergency and/or screening colonoscopy was proved to be also useful in order to establish its source, as in the upper gastrointestinal tract.
