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Diagnosis and Treatment for Duodenal and Small Intestinal Carcinoid Tumors Tomohiko Moriyama 1 , Motohiro Esaki 1 , Shunichiro Ayabe 2 , Kohei Fujita 3 , Katsuya Hirakawa 3 , Kouji Okamoto 4 , Kouichi Kurahara 4 , Jiro Nakamura 5 , Takashi Ueki 6 , Minako Hirahashi 7 , Takayuki Matsumoto 1 1Department of Medicine and Clinical Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan 2Department of Internal Medicine, Chihaya Hospital, Fukuoka, Japan 3Division of Gastroenterology, Fukuoka Red Cross Hospital, Fukuoka, Japan 4Institute of Gastroenterology, Matsuyama Red Cross Hospital, Matsuyama, Japan 5Department of Gastroenterology, Steel Memorial Yawata Hospital, Kitakyushu, Japan 6Department of Surgery and Oncology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan 7Department of Anatomic Pathology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan Keyword: 十二指腸 , 小腸 , カルチノイド , 内分泌細胞腫瘍 , WHO分類 pp.993-1003
Published Date 2013/6/25
DOI https://doi.org/10.11477/mf.1403113856
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 We report a clinicopathological study of 29 cases with duodenal or small intestinal carcinoid tumors. There were 17 cases in the duodenal bulb, 4 cases in the duodenal second portion and 8 cases in the ileum. One of 21 cases with duodenal carcinoid and 2 of 8 cases with ileal carcinoid were multicentric. The tumor was sessile or semipedunculated in form. Small intestinal carcinoids were larger than duodenal carcinoids. Endoscopic findings of carcinoids were characterized by yellowish-white submucosal tumors, some of which had central depression, petechial reddening or dilated vessels on their surface. Although all cases were diagnosed as NET G1 in this study, some of the cases had lymph-node metastasis and developed liver metastasis. The cases with lymph node metastasis tended to be found more frequently in small intestinal carcinoids than in duodenal carcinoids. These data suggested that there might be a problem in applying the WHO classification system to duodenal and small intestinal carcinoids in Japan.


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

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