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Korean J Helicobacter  Up Gastrointest Res > Volume 14(3); 2014 > Article
The Korean Journal of Helicobacter  and Upper Gastrointestinal Research 2014;14(3):181-186.
DOI: https://doi.org/10.7704/kjhugr.2014.14.3.181    Published online September 10, 2014.
Clinical Factors for Consideration in Patients with Gastric Hyperplastic Polyps Treated by Endoscopic Polypectomy
Se Woong Hwang, Hyun Yong Jeong, Jae Kyu Sung, Hee Seok Moon, Sun Hyung Kang, Beom Yong Yoon, Se Young Park, Hye Jin Kim, Kyu Sang Song
1Department of Internal Medicine, Chungnam National University School of Medicine, Daejeon, Korea. jeonghy@cnuh.co.kr
2Department Pathology, Chungnam National University School of Medicine, Daejeon, Korea.
위 증식폴립을 가진 환자에서 내시경적 폴립절제술을 시행할 때 주의해야 할 임상적 인자들
황세웅, 정현용, 성재규, 문희석, 강선형, 윤범용, 박세영, 김혜진, 송규상1
충남대학교 의학전문대학원 내과학교실, 병리학교실1
Hyperplastic polyps are the most common type of gastric polyps that constitute 30~93% of all benign epithelial gastric polyps. The overall prevalence of dysplasia in patients with hyperplastic polyps is believed to be <2%, and higher in patients with large polyps (>2 cm). We aimed to identify the clinical features of hyperplastic polyps that undergo neoplastic transformation. MATERIALS AND METHODS: Between March 2011 and June 2013, 315 hyperplastic polyps that were removed by endoscopic polypectomy from 217 patients were analyzed retrospectively. RESULTS: Neoplastic transformations were found in 5 cases (1.6%), including 3 cases of adenoma (1.0%) and 2 cases of adenocarcinoma (0.6%). Polypectomy-associated complications were noted in only 2 cases (0.6%), which were bleeding in both cases. Neoplastic transformation was significantly associated with the absence of hyperemia on endoscopy (non-neoplastic transformation group, n=26 [8.4%] vs. neoplastic transformation group, n=3 [60%]; P=0.006). However, no other significant differences was found between these groups in terms of age, sex, presence of Helicobacter pylori, size, location, number of detected polyps in each patient, and endoscopic appearances such as nodular changes or erosions and shape. CONCLUSIONS: No clinical factors were associated with the neoplastic transformation of hyperplastic polyps. In addition, neoplastic transformations were almost impossible to identify using endoscopy. Therefore, endoscopic polypectomy could be considered for the accurate diagnosis and definitive treatment of gastric hyperplastic polyps <1 cm in size.
Key Words: Stomach; Hyperplastic; Polyps; Neoplastic; Transformation

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