Usefulness of Endoscopic Ultrasonography in Determining the Depth of Invasion and Indication for Endoscopic Treatment of Early Gastric Cancer
Journal of Clinical Gastroenterology 43 巻 4 号
318-322 頁
2009 発行
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タイトル ( eng ) |
Usefulness of Endoscopic Ultrasonography in Determining the Depth of Invasion and Indication for Endoscopic Treatment of Early Gastric Cancer
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作成者 |
Mouri Ritsuo
Oka Shiro
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収録物名 |
Journal of Clinical Gastroenterology
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巻 | 43 |
号 | 4 |
開始ページ | 318 |
終了ページ | 322 |
抄録 |
Introduction: Endoscopic ultrasonography (EUS) is a useful method for visualizing features of gastric cancer. However, a previously reported classification system tended to result in overstaging. We investigated the usefulness of EUS for evaluation of the depth of gastric cancer invasion and indications for endoscopic treatment. Methods: Accuracy of EUS for determining the depth of invasion and incidences of a positive basal margin were assessed in 235 patients who underwent endoscopic treatment or surgery for gastric cancer. The EUS-determined depth of invasion was classified its follows: EUS-M (lesion confined to sonographic layers 1 and 2); EUS-M/SM border (lesion with changes in sonographic layer 3 but no deeper than 1 min); EUS-SM (lesion with changes in sonographic layer 3 deeper than 1 mm); or EUS-AD (lesion with changes in sonographic layer 4 or 5). Results: Accuracy of EUS for determining the depth of invasion was as follows: EUS-M, 99% were M and SM1 lesions; EUS-M/SM border, 87% were M and SM1 lesions; EUS-SM, 91% were SM2 lesions; EUS-AD, 100% were muscularis propria or deeper lesions. There was no EUS-M or EUS-M/SM border lesion for which endoscopic treatment resulted in it positive basal margin. Conclusions: EUS is useful for accurately determining the depth of invasion of gastric cancer. When there are no endoscopically determined ulcerous changes. endoscopic treatment should be considered for EUS-M and EUS-M/SM border lesions, and EUS-SM lesions should be treated surgically.
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著者キーワード |
early gastric cancer. endoscopic ultrasound. endoscopic treatment
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NDC分類 |
医学 [ 490 ]
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言語 |
英語
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資源タイプ | 学術雑誌論文 |
出版者 |
Lippincott Wolliams & Wilkins
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発行日 | 2009 |
出版タイプ | Author’s Original(十分な品質であるとして、著者から正式な査読に提出される版) |
アクセス権 | オープンアクセス |
収録物識別子 |
[ISSN] 0192-0790
[DOI] 10.1097/MCG.0b013e3181775966
[NCID] AA00257261
[DOI] http://dx.doi.org/10.1097/MCG.0b013e3181775966
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