GEL IMMERSION EMR FOR SUPERFICIAL NONAMPULLARY DUODENAL EPITHELIAL TUMORS

DOI
  • YAMASHINA Takeshi
    Gastroenterology and Hepatology, Kansai Medical University Medical Center. Gastroenterology and Hepatology, Osaka Red Cross Hospital.
  • TAKEO Masahiro
    Gastroenterology and Hepatology, Kansai Medical University Medical Center.
  • SHIMATANI Masaaki
    Gastroenterology and Hepatology, Kansai Medical University Medical Center.

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  • 十二指腸腫瘍に対するGel immersion EMR（Under-Gel EMR）―表在性非乳頭部十二指腸腫瘍に対する新しい内視鏡切除法―

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<p>The importance of endoscopic resection for duodenal tumors is increasingly being recognized; however, the high frequency of complications, such as bleeding and perforation, during EMR has become a problem.</p><p>In recent years, an increasing number of studies have demonstrated the clinical usefulness of underwater EMR, in which the intestinal lumen is filled with water, and lesions are resected by snaring without injection. This technique has been shown to have a higher en bloc resection rate and a shorter procedure time than conventional EMR. However, some areas are difficult to fill with water, and bile and mucus slime in water can reduce visibility. Therefore, the use of gel immersion EMR (also called undergel EMR), in which lesions are immersed in a gel for endoscopic hemostasis instead of in water, has occasionally been reported. This paper describes the methods and prospects of gel immersion EMR.</p>

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