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 New Type of Gastric Carcinoma-Adenocarcinoma of the Fundic Gland Type : Its Clinicopathological Features and Tumor Development Takashi Yao 1 , Hiroya Ueyama 1,2 , Ryoji Kushima 3 , Yutaka Nakashima 4 , Katsuya Hirakawa 5 , Yumi Ohshiro 6 , Hiroshi Hirano 7 , Tatsunari Satake 8 , Seiichiro Shimizu 9 , Tetsumi Yamane 10 , Minako Hirahashi 11 , Akinori Iwashita 12 , Sumio Watanabe 2 1Department of Human Pathology, Juntendo University School of Medicine, Tokyo 2Department of Gastroenterology, Juntendo University School of Medicine, Tokyo 3Clinical Laboratory Division, National Cancer Center Hospital, Tokyo 4Division of Pathology, Japanese Red Cross Fukuoka Hospital, Fukuoka, Japan 5Division of Gastroenterology, Japanese Red Cross Fukuoka Hospital, Fukuoka, Japan 6Department of Pathology, Japanese Red Cross Matsuyama Hospital, Matsuyama, Japan 7Department of Pathology, Nippon Steel Hirohata Hospital, Himeji, Japan 8Department of Pathology, Nagoya Ekisaikai Hospital, Nagoya, Japan 9Department of Pathology, Showa General Hospital, Tokyo 10Department of Pathology, Tottori Red Cross Hospital, Tottori, Japan 11Department of Anatomic Pathology, Pathological Sciences, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan 12Department of Pathology, Fukuoka University Chikushi Hospital, Chikushino, Japan Keyword: 胃癌 , 胃底腺 , pepsinogen-I , H+/K+-ATPase pp.1192-1202
Published Date 2010/6/25
DOI https://doi.org/10.11477/mf.1403101974
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 We re-evaluated clinicopathological features including tumor development and biological behavior of 27 lesions from 25 patients of gastric adenocarcinoma of the fundic gland type(GA-FG), which we have newly proposed.

 GA-FG has tended to occur in the upper third of the stomach(fundus)of seniors, but it also occurs in the middle of the stomach(corpus). GA-FG generates at the deep portion of normal fundic mucosa and takes on the configuration of 0-IIa/0-IIb/0-IIc initially. Even a small lesion invades the submucosa(SM). Some larger ones can take on the complex configurations such as 0-IIa+IIc or can grow in a polypoid lesion(0-I)with of mucosal involvement of full-thickness.

 With regard to biological behavior,GA-FG, especially in the case of small ones, is considered to be of low-grade malignancy because of its low cellular atypia, no lymphovascular invasion, low proliferating activity, lack of p53 protein overexpression and good prognosis, but it is also suggested that some cases of GA-FG can transform into high-grade malignancy with high cellular atypia, lymphovascular invasion and the presence of CD10 positive components during progression.


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

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