alexa [Clinical factors predicting for neoplastic transformation of gastric hyperplastic polyps].
Gastroenterology

Gastroenterology

Journal of Gastrointestinal & Digestive System

Author(s): Kang HM, Oh TH, Seo JY, Joen TJ, Seo DD,

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Abstract BACKGROUND/AIMS: Hyperplastic polyps (HPs) are the most common cause of all benign epithelial gastric polyps, constituting 30 to 93\%. Although gastric HPs are usually considered as benign lesions compared with adenoma, neoplastic transformation has been known to occur rarely. We aimed to identify the clinical factors of gastric HPs predicting for neoplastic transformation. METHODS: Between January 2002 to August 2010, a total of 274 gastric HPs, which had been removed by endoscopic polypectomy or surgical resection from 210 patients, were analyzed retrospectively. RESULTS: Neoplastic transformation was found in 15 cases (5.5\%) of 274 HPs including 10 cases of low grade dysplasia (3.7\%), 2 cases of high grade dysplasia (0.7\%) and 3 cases of adenocarcinoma (1.1\%). Neoplastic transformations were significantly associated with >1 cm in size (n=10 [66.7\%] vs. n=91 [35.1\%], p=0.024), with pedunculated shape (n=9 [60.0\%] vs. n=62 [23.9\%], p=0.002), with previous history of gastrectomy (n=3 [20.0\%] vs. n=3 [1.2\%], p=0.002) and with synchronous neoplastic lesions occurring elsewhere in the gastric mucosa (n=5 [33.3\%] vs. n=31 [12.0\%], p=0.021). However, no significant difference was found between HPs with and without neoplastic transformation in terms of age, sex, number of polyps detected per patient, location, macroscopic appearance such as erosion, hyperemia. CONCLUSIONS: Neoplastic transformation of gastric HPs had significant relationships with ž1 cm in size, pedunculated shape, postgastectomy state, and synchronous neoplastic lesion. Therefore, endoscopic polypectomy should be considered in these HPs to avoid the risk of missing HPs with neoplastic potential.
This article was published in Korean J Gastroenterol and referenced in Journal of Gastrointestinal & Digestive System

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