Korean J Gastrointest Endosc > Volume 29(3); 2004 > Article
Korean Journal of Gastrointestinal Endoscopy 2004;29(3): 126-132.
한국인에서 조기 대장암의 형태적 특성
성균관대학교 의과대학 삼성서울병원 내과, *병리과, 마산삼성병원 내과
Characteristics of Early Colon Cancer in Korea
Heung Up Kim, M.D., Young-Ho Kim, M.D., Sang Yong Song, M.D.*, Chung Hwan Chung, M.D., Jong Hyung Kim, M.D., Kyung Hee Kim, M.D., Sang Goon Shim, M.D., Hee Jung Son, M.D., Poong-Lyul Rhee, M.D., Jae J. Kim, M.D. and Jong Chul Rhee, M.D.
Departments of Medicine and *Pathology, Samsung Medical Center, Department of Medicine, Masan Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Korea

Recently, early detection and treatment of early colon cancer (ECC) has increased, and the concept of de novo carcinogenesis of colon cancer was introduced. However there were few studies in Korea. So we tried to find the incidence of ECC and the possibility of de novo colon cancer (DCC) in Korea.
From Jun 1995 to Jun 2003, 3072 patients who first treated as colon cancer at Samsung Medical Center were enrolled. We selected ECC by medical record review, and pathologic slides and endoscopic photos were reviewed to evaluate the underlying tissue of cancer focus and morphologic characteristics of ECCs. ECC was defined as the cancer confined to mucosa or submucosa, and DCC was defined as the cancer lesser than 1 cm but had no adenoma component.
The 192 patients (6.3%) had 196 cases of ECC. The ratio of mucosal and submucosal (SM) cancers was 36.7%:63.3%. The protruded type was the most frequent type (82.1%). The depressed type was the smallest (12.9⁑6.3 mm), in size and 100% showed and SM involvement. It has significantly higher rate of the cancer without underlying adenoma component (57.1%, p<0.001). The DCC were 6 cases and all were SM cancer and had 3 cases of protruded and depressed type each other.
The most common shape of ECC was protruded type. However, depressed type was smaller and had higher rate of SM involvment and no adenoma component around the cancers. And we found some of DCC although the frequency was very low. (Korean J Gastrointest Endosc 2004;29:126⁣132)
Key Words: Colonic cancer, Colonic polyps, Adenocarcinoma, Colonoscopy
주요어: 조기 대장암, 대장 용종, 선암, 대장내시경
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