Clinical Usefulness of Narrow Band Imaging(NBI) in Diagnostic and Therapeutic Endoscopy for Colorectal Tumor Shinji Tanaka 1 , Mayuko Hirata 1 , Shiro Oka 1 , Sayaka Oba 1 , Hiroyuki Kanao 1 , Iwao Kaneko 1 , Yoshito Takemura 1 , Ritsuo Mouri 1 , Shigeto Yoshida 1 , Toru Hiyama 2 , Yoshitaka Ueno 1 , Masanori Ito 1 , Yasuhiko Kitadai 1 , Masaharu Sumii 3 , Masaharu Yoshihara 2 , Kazuaki Chayama 1 1Department of Endoscopy and Gastroenterology, Hiroshima University Hospital, Hiroshima, Japan 2Health Service Center, Hiroshima University, Hiroshima, Japan 3Department of Internal Medicine, Hiroshima Memorial Hospital, Hiroshima, Japan Keyword: NBI , 大腸腫瘍 , 拡大観察 pp.881-891
Published Date 2008/5/25
DOI https://doi.org/10.11477/mf.1403101379
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 We reviewed the clinical usefulness of narrow band imaging(NBI)endoscopy under the aspect of improvement of detection of colorectal neoplasia, differential diagnosis between neoplasia and non-neoplasia, pit pattern diagnosis, invasion depth diagnosis of carcinoma in colorectal neoplasia. NBI is commonly considered to be useful in the differential diagnosis between neoplasia and non-neoplasia & pit pattern diagnosis for regular pit without chromoendoscopy. Furthermore, NBI magnification is expected to be useful in qualitative diagnosis of colorectal carcinoma through assessment of the microvessel structure on the lesion surface. The advantage of NBI magnification is its ability to achieve the diagnosis without chromoagents. Further detailed study and critical discussion are needed to establish a classification of NBI magnification findings identified in practice for qualitative diagnosis of colorectal tumor.

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