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Duodenal Neuroendocrine Tumor Presenting a Double-elevated Lesion, Report of a Case Masafumi Wada 1,2 , Yorinobu Sumida 1,2 , Naohiko Harada 1,2 , Yoko Akiyoshi 1,2 , Hiroyuki Fujii 1,2 , Yoichiro Iboshi 1,2 , Makoto Nakamuta 1,2 , Seiya Momosaki 2,3 , Shuji Matsuura 2,4 , Eikichi Ihara 5 1Department of Gastroenterology, National Hospital Organization Kyushu Medical Center, Fukuoka, Japan 2Clinical Research Institute, National Hospital Organization Kyushu Medical Center, Fukuoka, Japan 3Department of Pathology, National Hospital Organization Kyushu Medical Center, Fukuoka, Japan 4Department of Radiology, National Hospital Organization Kyushu Medical Center, Fukuoka, Japan 5Department of Gastroenterology and Metabolism, Graduated School of Medical Sciences, Kyushu University, Fukuoka, Japan Keyword: 十二指腸 , 神経内分泌腫瘍 , NET , カルチノイド pp.844-850
Published Date 2022/5/25
DOI https://doi.org/10.11477/mf.1403202920
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 A woman in her 70s was referred to our hospital for further examination of her duodenal tumor. Upper gastrointestinal radiography and esophagogastroduodenoscopy revealed a double-elevated submucosal tumor-like lesion in the duodenal bulb. Duodenectomy with lymph node dissection was performed ; histological findings revealed a duodenal neuroendocrine tumor(G2), invading the subserosal layer with lymph nodes metastasis. Interestingly, the tumor had a double-elevated appearance ; moreover, the tumor nodule appeared on the surface with normal epithelial layer defect.


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

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