침습선암의 조직소견이 동반된 혼합형 증식성 선종성 직장용종 1예

• Published in: Intestinal research Vol. 10; no. 3; pp. 295 - 299
• Main Authors: 서효림, Hyo Rim Seo, 김지현, Ji Hyun Kim, 정수진, Soo Jin Jung, 최윤정, Yun Jung Choi, 류충헌, Choong Heon Ryu, 박관식, Kwan Sik Park, 하승인, Seoung In Ha, 정은욱, Eun Uk Jung, 이상헌, Sang Heon Lee, 박성재, Sung Jae Park, 최정식, Jung Sik Choi
• Format: Journal Article
• Language: Korean
• Published: 대한장연구학회 01.07.2012
• Subjects: Hyperplastic polyp; Invasive adenocarcinoma; Rectum; 내과학
• ISSN: 1598-9100; 2288-1956

Epithelial colon polyps are largely divided into hyperplastic and adenomatous polyps. Adenomatous polyps are premalignant lesions, whereas hyperplastic polyps are regarded as benign lesions. However, this histological classification has been blurred, as cases of malignant changes in hyperplastic polyposis, mixed hyperplastic adenomatous polyps (MHAPs), and serrated adenomas in the colon have been reported. Rare cases of MHAP have been reported, and are mainly found at the proximal colon with a relatively large size. MHAPs seem to be an intermediate stage of the hyperplastic polyp-adenoma sequence or a collision tumor. Here, we report on a case of a single polyp in the rectum diagnosed with a MHAP combined with an invasive adenocarcinoma. (Intest Res 2012;10:295-299)