Endoscopic Diagnosis of the Depth of Invasion of Early Colorectal Cancer:Efficacy and Limitation of Colonoscopy with Magnifying NBI Mineo Iwatate 1 , Hidekazu Kosaka 1 , Wataru Sano 1 , Santa Hattori 1 , Noriaki Hasuike 1 , Taro Ikumoto 2 , Masahito Kotaka 2 , Yasushi Sano 1 , Takahiro Fujimori 3 1Gastroinetstinal Center, Sano Hospital, Kobe, Japan 2Gastroinetstinal Cancer Center, Sano Hospital, Kobe, Japan 3Diagnostic Pathology Center, Shinko Hospital, Kobe, Japan Keyword: NBI , capillary pattern classification , pit pattern , depth of invasion , JNET(The Japan NBI Expert Team) pp.686-692
Published Date 2015/5/24
DOI https://doi.org/10.11477/mf.1403200296
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 In the diagnosis of invasive cancer, magnifying NBI(narrow band imaging)using capillary pattern classification had sensitivity equivalent to and specificity lower than pit pattern diagnosis. From the clinical viewpoint, if all cases of SM massively invasive cancer diagnosed using magnifying NBI but without pit pattern diagnosis were treated surgically, unnecessary surgeries would increase. At present, pit pattern diagnosis is the gold standard method for diagnosing the depth of invasion of early colorectal cancer.

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