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Giant retroperitoneal lymph node—an uncommon presentation of duodenal neuroendocrine tumour
  1. Yashwant Sakaray1,
  2. Kishore Abuji1,
  3. Debajyoti Chatterjee2 and
  4. Santhosh Irrinki1
  1. 1General Surgery, Post Graduate Institute of Medical Education and Research, Chandigarh, India
  2. 2Histopathology, Post Graduate Institute of Medical Education and Research, Chandigarh, India
  1. Correspondence to Dr Santhosh Irrinki; narayanairrinki{at}gmail.com

Abstract

Primary retroperitoneal neuroendocrine tumours (NETs) are extremely rare, and many a times, these are metastatic lesions with known or unknown primary location, most commonly arising from the stomach, duodenum, small intestine and rectum. NETs arising from the duodenum are more commonly seen in the first part of the duodenum followed by the second part. The incidence is increasing because of easy accessibility to endoscopies and cross-sectional imaging. In NETs, lymph node (LN) metastasis occurs commonly when the tumour size is more than 2 cm. In contrast, LN metastasis occurs even with subcentimetric lesions, especially the ampullary variant of NETs. A patient presented to us with mild abdominal pain and found to have retroduodenal mass. On evaluation found to be a metastatic LN deposit of NET with the primary arising from the first part and supra-ampullary part of duodenum.

  • stomach and duodenum
  • gastrointestinal surgery
  • surgical oncology

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Footnotes

  • Contributors YS and KA wrote the original draft and helped in review and edit. SI helped in review and edit. DC gave suggestions related to pathological part and editing.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Provenance and peer review Not commissioned; externally peer reviewed.