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Japanese

Early Adenocarcinoma of the Duodenal Bulb Arising from Ectopic Gastric Mucosa, Report of a Case Hirotaka Kashimura 1 , Yoshio Kashimura 1 , Tadakazu Shimoda 2 , Keiko Sasaki 2 , Toshitatsu Takao 3 , Naomi Kakushima 4 , Hiroyuki Ono 4 , Hideyuki Kanemoto 5 , Masahiro Ikegami 6 1Kashimura Clinic, Fuji, Japan 2Division of Pathology, Shizuoka Cancer Center, Shizuoka, Japan 3Division of Gastroenterology, Department of Internal Medicine, Graduate School of Medicine, Kobe University, Kobe, Japan 4Division of Endoscopy, Shizuoka Cancer Center, Shizuoka, Japan 5Division of Gastroenterological Surgery, Shizuoka General Hospital, Shizuoka, Japan 6Division of Pathology, The Jikei University School of Medicine, Tokyo Keyword: 異所性胃粘膜 , 先天性異所性胃底腺粘膜 , 十二指腸癌 , 胃型形質 , 胃底腺分化 pp.382-391
Published Date 2016/3/25
DOI https://doi.org/10.11477/mf.1403200585
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 A man in his 60s visited our clinic because of gastric discomfort. An esophagogastroduodenoscopy revealed a 30mm elevated lesion in the duodenal bulb. The lesion consisted of several large and small aggregated granules surrounded by 2-3mm elevated lesions, which were suspected to be composed of ectopic gastric mucosa. A distal gastrectomy with partial resection of the duodenal bulb was performed. Histological examination revealed that the tumor was gastric-type adenocarcinoma that had partially invaded the duodenal submucosa and showed characteristics of gastric fundic gland differentiation. Ectopic gastric mucosa with gastric fundic glands was observed in and around the tumor ; thus, this tumor was considered to be derived from congenital ectopic gastric mucosa.


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

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