Japanese

Magnifying Endoscopy with NBI in Esophago-pharyngeal Lesions Hitomi Minami 1 , Haruhiro Inoue 1 , Makoto Kaga 1 , Yoshitaka Sato 1 , Akira Yokoyama 1 , Hironari Shiwaku 1 , Hitoshi Satodate 1 , Shigeharu Hamatani 2 , Shin-ei Kudo 1 1Digestive Disease Center, Showa University Northern Yokohama Hospital, Yokohama, Japan 2Department of Pathology, Showa University Northern Yokohama Hospital, Yokohama, Japan Keyword: 早期食道癌 , IPCLパターン分類 , NBI拡大内視鏡 pp.1496-1503
Published Date 2010/8/25
DOI https://doi.org/10.11477/mf.1403102006
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 With the outstanding development of endoscopic technology, a number of early stage esophageal cancers have been found. Nowadays, both recognizing the lesions which can still be treated by endoscopic procedures and performing safe and precise resection are essential skills for Endoscopists.

 Esophageal diagnosis consists of 2 steps. The first step is to detect the lesion as a brownish area or non-iodine-stained lesion. The next step is to observe the suspected area with high magnification and then evaluate the IPCL pattern. Basically,IPCL type V-1 is thought to correspond to T1a-EP,V-2 corresponds to T1a-LPM and V-3 to T1a-MM/T1b-SM1. However, there are some cases which we diagnosed as IPCL type V-3 before resection, but revealed T1a-LPM pathologically. Definition of IPCL type V-3 is “Advanced destruction of IPCL". To diagnose the V-3 lesions more precisely, we categorized IPCL type V-3 into three subgroups and evaluated each pattern. IPCL type V-3 alone with horizontally prolonged vessels includes T1a-EP/LPM lesions.


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