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KMID : 1038120140470050460
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Clinical Endoscopy
2014 Volume.47 No. 5 p.460 ~ p.463
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Endoscopic Ultrasound-Guided Sampling of a Metastatic Mucinous Adenocarcinoma Mimicking a Gastric Subepithelial Tumor
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Seo Dae-Chul
Lee Tae-Hee
Jeen Yoon-Mi
Kim Hyun-Gun
Kim Eui-Bae
Lee Sang-Cheol
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Abstract
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Metastatic mucinous adenocarcinoma of appendix origin and mimicking a gastric subepithelial tumor (SET) is very rare. Endoscopic ultrasound (EUS)-guided sampling is a useful diagnostic method for SETs. However, the cytologic findings of metastatic mucinous adenocarcinoma are unfamiliar to many pathologists and gastroenterologists. These findings present a diagnostic challenge because the introduction of gastric epithelium and mucin into the specimen during the procedure can be misleading. This is the first reported experience of an EUS-guided sampling of a gastric SET in a patient with suspected appendiceal tumor, to make the diagnosis of a mucinous adenocarcinoma.
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KEYWORD
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Appendix, Endosonography, Biopsy, fine-needle, Adenocarcinoma, mucinous, Stomach
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