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Korean J Gastrointest Endosc. 2000 Aug;21(2):608-613. Korean. Original Article.
Jang YS , Kim SJ , Lee YJ , Lee SH , Seol SY , Chung JM .
Department of Internal Medicine, In-Je University College of Medicine, Paik Hospital, Pusan, Korea.
Abstract

BACKGROUND/AIMS: Adenomatous polyp was a precancerous lesion and it's removal was the secondary prevention of colorectal cancer. So we evaluated: age, sex, gross findings (Yamada type, size, number), histologic types, the incidence of coexisting cancers. METHODS: We analyzed the 125 patients with colon polyps who underwent colonoscopic polypectomy from March 1993 to Febrary 1998 in Pusan Paik hospital Inje university. RESULTS: The male to female ratio was 1:0.43, and the polyps were most common in sixth decade. Abdominal pain was the most common symptom (34.4%). On occult blood examination, 25.5% of the patients with colorectal polyp had positive finding. According to Yamada classification, type IV is 49 patients (39.2%) and type III is 47 patients (37.6%). The most common size was 0.5 cm to 1.0 cm, and single polyp was noted in 68 cases (54.4%). Among patients with colon polyps, 6 cases had coexisting colon cancers, and 1 case was diagnosed as adenocarcinoma. Histologically, the numbers of adenomatous polyp and hyperplastic polyp were 74 (59.2%) and 17 (13.6%). Retention polyps were commom under the age of 20 years, but adenomatous polyps were common over the age of 40 years. Five cases diagnosed as adenomatous polyps on forceps biopsy were proven as nonadenomatous polyps on polypectomy sections. CONCLUSIONS: Among patients with colon polyps, 6 cases had coexisting colon cancers and 1 case was diagnosed adenocarcinoma but, did not reach statistical significance. The result of this study suggested that forceps biopsy results were different with polypectomy biopsy results, so we therefore recommands polypectomy as primary treatment for all colonic polyps.

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