KMID : 0614620130620020092
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Korean Journal of Gastroenterology 2013 Volume.62 No. 2 p.92 ~ p.96
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Endoscopic Characteristics of Upper Gastrointestinal Mesenchymal Tumors Originating from Muscularis Mucosa or Muscularis Propria
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Song Joon-Ho
Kim Jin-Il Kim Hyun-Jin Cho Hyung-Jun Kim Hye-Kang Cheung Dae-Young Park Soo-Heon Kim Jae-Kwang
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Abstract
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Background/Aims: Subepithelial tumors are occasionally found during upper gastrointestinal endoscopy. The purpose of this study was to evaluate endoscopic characteristics of mesenchymal tumors originating from muscularis mucosa or muscularis propria. Methods: A total of 307 mesenchymal tumors of the upper gastrointestinal tract were diagnosed between March 2006 and February 2012 at Yeouido St. Mary¡¯s Hospital (Seoul, Korea). Data on endoscopic and endoscopic ultrasonographic findings were collected and analyzed by retrospectively reviewing the medical records. Results: The mean size of the mesenchymal tumors originating from muscularis mucosa was significantly smaller than those originating from muscularis propria (10.5¡¾6.9 mm vs. 14.3¡¾13.9 mm, p=0.035). The most common locations of the mesenchymal tumors originating from muscularis mucosa and muscularis propria were esophagus (69.1%) and body of the stomach (43.3%), respectively (p£¼0.001). Rolling sign was more commonly observed with mesenchymal tumors originating from muscularis mucosa (80.4%, p=0.001), and cushion sign was more frequently absent with those originating from muscularis propria (72.4%, p£¼0.001). Internal echo was homogenous in 89.7% and 81.9% of mesenchymal tumors originating from muscularis mucosa and muscularis propria, respectively (p=0.092). Conclusions: The size, location, and movability of mesenchymal tumors originating from muscularis mucosa were different from those of mesenchymal tumor originating from muscularis propria.propria.
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KEYWORD
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Mesenchymal tumor, Subepithelial tumor, Endoscopic ultrasonography
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