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Proximal shift in the distribution of adenomatous polyps in Korea over the past ten years.

Authors
Park, SY; Kim, BC; Shin, SJ; Lee, SK; Kim, TI; Kim, WH
Citation
Hepato-gastroenterology, 56(91-92):677-681, 2009
Journal Title
Hepato-gastroenterology
ISSN
0172-6390
Abstract
BACKGROUND/AIMS: Several reports have suggested a trend of right-side shift of colorectal cancer; however, there were only a few studies on the chronologic changes in the distribution of adenomatous polyps. We aimed to study the changes in the distribution of colorectal adenomatous polyps over the past ten years.



METHODOLOGY: We reviewed medical records of patients who underwent a colonoscopy at Yonsei University Severance Hospital, Seoul, Korea between January 1996 and December 2005. Patients who had an adenomatous polyp with a diameter of at least 5mm were included. Of these, patients with a history of colon resection, colorectal cancer, colorectal polyp, inflammatory bowel disease, HNPCC, or familial adenomatous polyposis were excluded.



RESULTS: A total of 2,498 patients and 4,591 adenomatous polyps were included in this study. Analysis with respect to number of patients showed significant increases in the proportion of patients with adenomatous polyp on the proximal colon, from 48.5% to 66.3% (p<0.001). Analysis with respect to number of polyps revealed that the proportion of adenomatous polyps on the proximal colon significantly increased from 48.9% to 62.3% (p<0.001).



CONCLUSIONS: The proportion of adenomatous polyp on the proximal colon significantly increased over the past 10 years.
MeSH terms
Adenomatous Polyposis Coli/ethnology*Adenomatous Polyposis Coli/pathology*Adenomatous Polyposis Coli/therapyAdolescentAgedAged, 80 and overAsian Continental Ancestry Group/statistics & numerical data*Cohort StudiesColonoscopyFemaleHumansIncidenceKoreaMaleMiddle AgedRetrospective StudiesRisk FactorsYoung Adult
PMID
19621679
Appears in Collections:
Journal Papers > School of Medicine / Graduate School of Medicine > Gastroenterology
AJOU Authors
신, 성재
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