Stomach and Intestine(Tokyo) Volume 53, Issue 13 (December 2018)
Japanese

Diagnosis of Gastrointestinal Submucosal Tumor Using Endoscopic Ultrasonography Elastography Yuichiro Tsuji 1 , Takao Itoi 1 , Maya Suguro 1 , Taisuke Matsumoto 1 , Kumiko Uchida 1 , Youhei Koyama 1 , Akira Madarame 1 , Takashi Morise 1 , Hayato Yamaguchi 1 , Yuuki Aoki 1 , Akihiko Sugimoto 1,2 , Shin Kohno 1 , Yoshiya Yamauchi 1 , Masakatsu Fukuzawa 1 , Takashi Kawai 2 1Department of Gastroenterology and Hepatology, Tokyo Medical University, Tokyo 2Endoscopic Center, Tokyo Medical University Hospital, Tokyo Keyword: SMT , GIST , EUS , EUS elastography , EUS-FNA pp.1789-1793
Published Date 2018/12/25
DOI https://doi.org/10.11477/mf.1403201544
  • Abstract
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 Qualitative diagnosis of gastrointestinal SMT(submucosal tumors)is challenging. Using EUS(endoscopic ultrasonography), SMT is diagnosed by observing the layer of origin and internal echo pattern ; however, it is difficult to differentiate all. EUS-EG(EUS elastography)is used to visualize tissue hardness as a color, which can be combined with EUS to assist qualitative diagnosis. We diagnosed gastric SMTs with EUS-EG. GIST and Schwannoma tend to be hard, and it is presented as a tumor with the main body blue. We distinguished those using ordinary EUS findings. In addition, leiomyoma and ectopic pancreas are shown as soft masses, primarily red and green. Assumedly, EUS-EG will facilitate diagnosis in the future by accumulation of such cases.


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基本情報

05362180.53.13.jpg
胃と腸
53巻13号 (2018年12月)
電子版ISSN 1882-1219 印刷版ISSN 0536-2180 医学書院

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