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Usefullness of Magnified Endoscopy for the Differential Diagnosis of Gastric Ulcerative Lesions Tsuneo Oyama 1 , Akiko Takahashi 1 , Yoko Kitamura 1 , Kinichi Hotta 1 , Akihisa Tomori 1 , Yoshinori Miyata 1 1Department of Gastroenterology, Saku Central Hospital, Saku, Japan Keyword: 隆起型早期胃癌 , 拡大電子内視鏡 , narrow band imaging pp.705-710
Published Date 2007/4/26
DOI https://doi.org/10.11477/mf.1403101069
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 The differential diagnosis of benign and malignant ulcers has been regarded as important. However, it was sometimes difficult to differentiated these ulcers using conventional endoscopy.

 Magnified endoscopy with the NBI system showed not only the surface pattern but also the vascular pattern of the mucosa. The check points of NBI magnified endoscopy for the diagnosis of ulcerative lesions were described in this paper.

 The surface pattern was divided into pit and villi. And the irregularity and density should be checked. The points to observe in the vessels were caliber change and irregularity of shape.

 Two benign ulcers and three malignant ulcers were shown in this paper, and the findings of NBI magnified endoscopy were very useful for the differential diagnosis between benign and malignant ulcers.


Copyright © 2007, 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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