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Difficult to Determine the Horizontal Extent of Esophageal Squamous Cell Carcinoma in Lugol Chromoendoscopy, Report of a Case Shunsuke Yoshii 1 , Ryu Ishihara 1 , Yuki Okubo 1 , Yushi Kawakami 1 , Yasuhiro Tani 1 , Satoki Shichijo 1 , Takashi Kanesaka 1 , Yoji Takeuchi 1 , Koji Higashino 1 , Noriya Uedo 1 , Tomoki Michida 1 , Keiichiro Homma 2 1Department of Gastrointestinal Oncology, Osaka International Cancer Institute, Osaka, Japan 2Department of Diagnostic Pathology and Cytology, Osaka International Cancer Institute, Osaka, Japan Keyword: 食道癌 , 扁平上皮癌 , ヨード不染 , 画像強調内視鏡 , 内視鏡診断 pp.328-332
Published Date 2023/3/25
DOI https://doi.org/10.11477/mf.1403203143
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 A male patient in his 70s was referred to our hospital for ESCC(esophageal squamous cell carcinoma)treatment. The lesion was resected via ESD(endoscopic submucosal dissection)and triamcinolone acetonide was injected locoregionally to prevent post-ESD stenosis because of a subcircumferential mucosal defect. A metachronous superficial ESCC recurrence located on the post-ESD scar was detected 5 years after ESD. It was difficult to determine the lesion's horizontal extent via Lugol spraying due to the poor background mucosa dyeability. The lateral extent for endoscopic resection was determined using magnifying endoscopy with NBI(narrow band imaging). The resected specimen histology revealed squamous epithelial layer thinning of background mucosa. NBI could be useful in determining the lateral ESCC extent, which are difficult to delineate in Lugol chromoendoscopy.


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

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