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Present Status and Problems of Cancer Screening by Transnasal Endoscopy Hiroya Nakata 1 , Kimihiko Yanaoka 2 , Hideyuki Tamai 2 , Mikitaka Iguchi 2 , Masashi Oka 2 , Masao Ichinose 2 1Nakata Medical Clinic, Wakayama, Japan 2Second Department of Internal Medicine, Wakayama Medical University, Wakayama, Japan Keyword: 経鼻内視鏡 , 循環動態 , 胃癌 , スクリーニング , 鎮静剤 pp.1241-1247
Published Date 2008/7/25
DOI https://doi.org/10.11477/mf.1403101425
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 Transnasal endoscopy is considered suitable for screening examination because of the slight degree of the associated gag reflex and fewer adverse effects on the cardiovascular system. Characteristics of transnasal endoscopy were investigated in comparison with conventional endoscopy. Transnasal endoscopy is patient friendly, safer than conventional endoscopy and easier to accept. In addition, as a screening modality for gastric cancer, the sensitivity of transnasal endoscpy is almost equal to other modes for the detection and elucidation of early lesions. However, transnasal endoscopy involves many other problems yet to be solved, including image resolution and poor lighting due to low-caliber light guides. Attention to such problems is thus needed for this new modality of upper GI examination.


Copyright © 2008, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1219 印刷版ISSN 0536-2180 医学書院

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