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Mixed Adeno-neuroendocrine Carcinoma with Signet-ring Cells in the Esophago-Gastric Junction, Report of a Case Masatoshi Murakami 1 , Shunsuke Takahashi 2 , Minako Hirahashi 3 , Haruei Ogino 1 , Daisuke Kotani 1 , Mitsuru Esaki 1 , Kentaro Yodoe 1 , Hirotada Akiho 1 , Masato Watanabe 4 , Kazuhiko Nakamura 5 , Sadafumi Tamiya 6 , Yoshinao Oda 2 1Department of Gastroenterology, Kitakyushu Municipal Medical Center, Kitakyushu, Japan 2Department of Anatomic Pathology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan 3Department of Health Sciences, Faculty of Medical Sciences, Kyushu University, Fukuoka, Japan 4Department of Surgery, Kitakyushu Municipal Medical Center, Kitakyushu, Japan 5Department of Medicine and Bioregulatory Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan 6Department of Pathology, Kitakyushu Municipal Medical Center, Kitakyushu, Japan Keyword: 食道 , 食道胃接合部 , 内分泌細胞癌 , 腺癌 , 印環細胞 pp.1187-1194
Published Date 2015/8/25
DOI https://doi.org/10.11477/mf.1403200390
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 A 68-year-old man was referred to Kitakyushu municipal medical center for the evaluation and management of a protruded lesion in the lower esophagus. Conventional endoscopy showed a 20mm elevated lesion with a central irregular depression located in the esophagogastric area. The leading edge of the lesion was a submucosal tumor-like elevation covered with a non-neoplastic epithelium, and the surface of the depression was red and coarse. Narrow-band imaging magnified endoscopy revealed non-loop irregular vessels on the surface of the depression, and reticular vessels-like type R(as per the Japan Esophageal Society classification)were partially seen. The biopsy specimen was diagnosed as a moderately to poorly differentiated adenocarcinoma, so we performed resection of the lower esophagus and fundusectomy. Pathological examination of the specimens revealed that the tumor consisted of a mixed adenoneuroendocrine carcinoma, mainly neuroendocrine carcinoma, arising from the submucosal layer, with tubular adenocarcinoma and signet-ring cells present in the depression, which were exposed to the surface. He was treated with adjuvant chemotherapy and remains alive without evidence of recurrence 9 months after surgery.


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

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