Japanese

Esophageal Squamous Cell Carcinoma with Whitish Slightly Elevated Morphology that had Widely Invaded the Lamina Propria Mucosae, Report of a Case Motohiko Kato 1 , Junichiro Ikeda 2 , Makoto Yamasaki 3 , Yoshito Hayashi 4 , Akira Maekawa 4 , Yoshiki Tsujii 4 , Takuya Inoue 4 , Tomofumi Akasaka 4 , Shinichiro Shinzaki 4 , Tsutomu Nishida 4 , Hiroshi Miyata 3 , Hideki Iijima 4 , Masahiko Tsujii 4 , Eiichi Morii 2 , Yuichiro Doki 3 , Tetsuo Takehara 3 1Department of Gastroenterology, National Hospital Organization, Tokyo Medical Center, Tokyo 2Department of Diagnostic Pathology, Osaka University Hospital, Suita, Japan 3Department of Gastroenterological Surgery, Graduate School of Medicine, Osaka University, Suita, Japan 4Department of Gastroenterology and Hepatology, Graduate School of Medicine, Osaka University, Suita, Japan Keyword: 食道 , 扁平上皮癌 , 上皮下進展 , 褪色 , 隆起 pp.103-111
Published Date 2015/1/25
DOI https://doi.org/10.11477/mf.1403200135
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 A man in his 70s previously diagnosed with esophageal squamous cell carcinoma at a nearby hospital was later examined at our hospital. Conventional white light endoscopy revealed a whitish, flat, elevated lesion 30 mm in diameter in the posterior wall of the middle thoracic esophagus. The center of the tumor contained a sessile part. Magnifying endoscopy with narrow band imaging was used to identify the lesion as Japanese Esophageal Society classification type A. Vascular density was sparser than the surrounding mucosa. The tumor showed pale staining with iodine. Histological analysis showed that a small nest of squamous cell carcinoma cells had widely invaded from just below the epithelium into the lamina propria mucosae ; the cells were accompanied by fibrosis and had invaded the sessile part of the muscularis propria. A large part of the tumor was covered with non-neoplastic epithelium. The final diagnosis was moderately differentiated squamous cell carcinoma, T2N0M0, stage II.


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

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