Magnifying Endoscopy with Narrow-band Imaging for Superficial Non-ampullary Duodenal Epithelial Tumors Shigetsugu Tsuji 1 , Kazuyoshi Katayanagi 2 , Hiroshi Kurumaya 2 , Hiroshi Minato 2 , Hisashi Doyama 1 1Department of Gastroenterology, Ishikawa Prefectural Central Hospital, Kanazawa, Japan 2Department of Diagnostic Pathology, Ishikawa Prefectural Central Hospital, Kanazawa, Japan Keyword: 表在性非乳頭部十二指腸上皮性腫瘍 , SNADET , 生検 , NBI併用拡大内視鏡 , 十二指腸腺腫 , 十二指腸癌 pp.259-264
Published Date 2019/2/25
DOI https://doi.org/10.11477/mf.1403201588
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 Recent advancements in the endoscopic technology might increase the odds of detecting SNADET(superficial non-ampullary duodenal epithelial tumor)lesions. However, owing to the rarity of SNADET, endoscopic findings in SNADET have not yet been established. The accuracy of the duodenal biopsy sampling is relatively low, and a biopsy might cause inadvertent submucosal fibrosis and further complicate ER(endoscopic resection). In addition, magnifying endoscopy with narrow-band imaging findings was possibly influenced by the biopsy procedure itself. Consequently, it is imperative to perform a biopsy while causing a minimal amount of damage. Hence, an endoscopy-based diagnosis is preferable for SNADETs that are likely to undergo ER. Newer endoscopic techniques, including magnifying endoscopy, could guide these diagnostics ; however, their additional advantages remain unclear, necessitating further investigation to elucidate these issues.

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