[Gastric Inverted Hyperplastic Polyp Removed Using Endoscopic Submucosal Dissection].

Jee Won Boo, Joon Sung Kim, Byung-Wook Kim
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引用次数: 0

Abstract

Gastric subepithelial tumors (SETs) are usually asymptomatic and are often detected incidentally during screening endoscopy. A gastric inverted hyperplastic polyp (IHP) is characterized by downward growth of hyperplastic mucosa into the submucosal layer. Owing to these characteristics, a gastric IHP is frequently misdiagnosed as a SET. Gastric IHPs are asymptomatic in most cases and are discovered incidentally. Notably, IHPs may be accompanied by an adenocarcinoma or anemia owing to chronic bleeding associated with this lesion; therefore, endoscopic submucosal dissection is recommended for complete excision of IHPs measuring > 2 cm. We report a case of gastric IHP that was diagnosed during screening endoscopy in an asymptomatic patient. We observed a whitish purulent exudate expressed from the SET, and endoscopic ultrasonography revealed a SET originating from the muscularis mucosa. Endoscopic submucosal dissection was performed to remove the SET, and final histopathological findings revealed a gastric IHP. This case report highlights that IHPs should be suspected in patients with a SET associated with whitish exudates.

胃内翻性增生性息肉内镜下粘膜剥离术
胃上皮下肿瘤(set)通常是无症状的,经常在内镜检查中偶然发现。胃内翻性增生性息肉(IHP)的特征是增生性粘膜向下生长到粘膜下层。由于这些特点,胃IHP经常被误诊为SET。胃ihp在大多数情况下是无症状的,是偶然发现的。值得注意的是,IHPs可能伴有腺癌或贫血,这是由于与这种病变相关的慢性出血;因此,建议内镜下粘膜下剥离术完全切除直径为bbbb2 cm的ihp。我们报告一个病例的胃IHP是在筛选内镜诊断在一个无症状的病人。我们观察到从SET中表达的白色化脓性渗出物,内窥镜超声检查显示SET起源于肌层粘膜。内镜下粘膜剥离术去除SET,最终组织病理学结果显示胃IHP。本病例报告强调,与白色渗出物相关的SET患者应怀疑ihp。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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18 weeks
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