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KMID : 0931320140140030181
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대한상부위장관.헬리코박터학회지
2014 Volume.14 No. 3 p.181 ~ p.186
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Clinical Factors for Consideration in Patients with Gastric Hyperplastic Polyps Treated by Endoscopic Polypectomy
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Hwang Se-Woong
Jeong Hyun-Yong
Sung Jae-Kyu
Moon Hee-Seok
Kang Sun-Hyung
Yoon Beom-Yong
Park Se-Young
Kim Hye-Jin
Song Kyu-Sang
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Abstract
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Background/Aims: 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 poly-pectomy 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 ad-enocarcinoma (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 trans-formation group, n=26 [8.4%] vs. neoplastic transformation group, n=3 [60%]; P=0.006). However, no other significant differ-ences was found between these groups in terms of age, sex, presence of Helicobacter pylori, size, location, number of detected pol-yps 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.
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KEYWORD
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Stomach, Hyperplastic, Polyps, Neoplastic, Transformation
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