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The study is based on a prospective survey of 200 necropsies, to determine the prevalence of colonic polyps and diverticula in Hong Kong. Adenomatous polyps were found in 34% of men and 19% of women. The corresponding figures for hyperplastic polyps were 22% and 15%. When compared with European countries having similar rates for colorectal cancer, the polyp pattern by type, prevalence, and distribution is very similar. For diverticula the prevalence rate in this study was only 5%; most of these were situated in the caecum. This is at marked variance to the European pattern.
Coode et al. (Tue,) studied this question.