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The Usefulness of NBI and AFI in the Diagnosis for Intestinal Lymphoma Mikihiro Fujiya 1 , Kentaro Moriichi 1 , Nobuhiro Ueno 1 , Toshie Nata 1 , Kohki Nomura 1 , Chisato Ishikawa 1 , Takahiro Itoh 1 , Yuhei Inaba 1 , Kotaro Okamoto 1 , Hiroki Tanabe 1 , Kazuya Sato 1 , Yutaka Kohgo 1 , Yusuke Saitoh 2 , Ryu Sato 3 , Jiro Watari 3 1Division of Gastroenterology and Hematology/ Oncology, Department of Medicine, Asahikawa Medical College, Asahikawa, Japan 2Digestive Disease Center, Asahikawa City Hospital, Asahikawa, Japan 3Section of Internal Medicine, Gastroenterology, Kushiro City Medical Association Hospital, Kushiro, Japan Keyword: 光デジタル法 , 特殊光 , AFI , NBI , リンパ腫 pp.889-896
Published Date 2009/4/25
DOI https://doi.org/10.11477/mf.1403101668
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 Endoscopic features of intestinal lymphoma, detected by a novel procedure using special light endoscopy, was reviewed. NBI revealed the lymphoma lesions as slightly brownish areas and detected irregular, meandrous or disordered micro-vessels at the surface of the lesions under magnification. In contrast, AFI displayed the lymphoma lesions as magenta areas, suggesting the reduction of emitted autofluorescence from the lymphoma lesions. Quantitative assessment with image analyzing software emphasized the usefulness of AFI in differential diagnosis between lymphoma and benign lymphoid hyperplasia. Further study with a large number of lymphoma lesions may elucidate the endoscopic features predicting local or systemic and early or advanced lymphoma, and enabling histological classification.


Copyright © 2009, 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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