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Esophageal Endocrine Cell Carcinoma, Report of a Case Takaaki Kishino 1 , Tsuneo Oyama 1 , Akihisa Tomori 1 , Kinichi Hotta 1 , Akiko Takahashi 1 , Yoko Kitamura 1 , Tomoaki Shinohara 1 11)Department of Gastroenterology, Saku Central Hospital, Saku, Japan Keyword: 内分泌細胞癌 , 早期食道癌 , 内視鏡診断 , NBI , ESD pp.781-787
Published Date 2011/5/24
DOI https://doi.org/10.11477/mf.1403102240
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 The patient was a female in her seventies. Conventional endoscopy showed a discolored flat elevated lesion and a white flat lesion with coarse surface on the posterior wall of the middle thoracic esophagus.

 NBI(narrow band imaging)magnified endoscopy revealed irregularly-branched and dilated non-loop vessels on the surface of the flat elevated lesion.

 We performed ESD(endoscopic submucosal dissection)for the lesion in en-bloc fashion. Histologically, the tumor was diagnosed as an esophageal endocrine cell carcinoma associated with Mt, Post, type 0-IIa+IIb, squamous cell carcinoma, pT1b-SM2(invasive depth 250μm), ly0, v1, HM0, VM0.

 Immmunohistochemically, N-CAM, chromogranin A and synaptophysin were positive for the tumor cells.

 The microvascular pattern of the flat elevated lesion was judged as being the reticular type. Sometimes, this type of irregular microvascular pattern was observed in undifferentiated SCC(squamous cell carcinoma). The patient was treated with adjuvant chemotherapy after ESD and is still living without recurrence 22 months later.


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

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