Near-focus magnification and second-generation narrow-band imaging for early gastric cancer in a randomized trial

Journal of Gastroenterology

Fecha de publicación: 06 October 2020

DOI: https://doi.org/10.1007/s00535-020-01734-3

Autores: Naomi Kakushima, Naohiro Yoshida, Hisashi Doyama, Tomonori Yano, Takahiro Horimatsu, Noriya Uedo, Yoshinobu Yamamoto, Hiromitsu Kanzaki, Shinichiro Hori, Kenshi Yao, Ichiro Oda, Satoshi Tanabe, Chizu Yokoi, Ken Ohata, Kenichi Yoshimura, Hideki Ishikawa & Manabu Muto 

Background: Magnifying endoscopy with narrow-band imaging (NBI) is effective for the diagnosis of early gastric cancer (EGC). However, magnifying endoscopy is not yet popular globally because of the required level of skill and lack of availability. To overcome these problems, dual-focus endoscopy (standard- and near-focus (NF) modes) has been developed. In this study, we evaluated the diagnostic performance of NF with second-generation (2G)-NBI (NF-NBI) for the diagnosis of EGC.

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