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Pathological Findings of Duodenal Neuroendocrine Neoplasms(NENs) Yasuharu Kaizaki 1 1Department of Pathology, Fukui Prefectural Hospital, Fukui, Japan Keyword: 十二指腸 , 神経内分泌腫瘍 , 神経内分泌癌 , ガストリン産生腫瘍 , ソマトスタチン産生腫瘍 pp.701-708
Published Date 2024/5/25
DOI https://doi.org/10.11477/mf.1403203622
  • Abstract
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 Neuroendocrine neoplasms(NENs)arising from the duodenum are easily identified when classified according to the World Health Organization classification including the hormones they produce. Duodenal NENs are predominantly neuroendocrine tumors, with gastrin-producing tumors common in the bulb, somatostatin-producing tumors in the major and minor papilla, serotonin-producing tumors in the distal duodenum, and gangliocytic paraganglioma occurring near the major papilla. Each manifests with minimal histological differences. These entail a generally favorable prognosis. A neuroendocrine carcinoma, a rare occurrence, tends to arise in the papillary region with a significantly poorer prognosis. Understanding the histological features is vital when treating duodenal NENs.


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

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