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Endocrinology
Neuroendocrine tumour of the lesser omentum
  1. Basil Babu1,
  2. Satish Subbiah Nagaraj1,
  3. Shaurya Yadav1 and
  4. Kannan Periasamy2
  1. 1Department of General Surgery, Post Graduate Institute of Medical Education and Research, Chandigarh, India
  2. 2Department of Radiotherapy, Post Graduate Institute of Medical Education and Research, Chandigarh, India
  1. Correspondence to Dr Basil Babu; drbasilms{at}gmail.com

Abstract

A man in his early 20s presented to us in the outpatient department with a history of diarrhoea for 4 months. Investigations revealed elevated serum chromogranin levels and an intensely avid lesion in the gastrohepatic ligament in Gallium DOTATATE positron emission tomography (PET). The tumour was excised laparoscopically, and no other lesions were seen. The patient improved clinically and had a normal serum chromogranin level postoperatively. He is currently much improved at the 1year follow-up. We did an extensive workup to look for a primary tumour. It was concluded that it was a de novo tumour arising from the lesser sac. The recommended investigations in case of neuroendocrine tumour (NET) with unknown primary include blood investigations to look for the functional status of the tumour, histopathological examination, including immunohistochemistry, and radiological imaging, which must include a Gallium DOTATATE PET. An isolated NET of the lesser sac has not been reported in the literature.

  • Endocrinology
  • Gastroenterology
  • Endocrine cancer
  • Surgical oncology

https://doi.org/10.1136/bcr-2023-258366

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    Footnotes

    • Contributors The following authors were responsible for drafting of the text, sourcing and editing of clinical images, investigation results, drawing original diagrams and algorithms, and critical revision for important intellectual content: BB, SSN, SY, KP. The following authors gave final approval of the manuscript: BB, SSN, SY, KP.

    • 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.

    • Case reports provide a valuable learning resource for the scientific community and can indicate areas of interest for future research. They should not be used in isolation to guide treatment choices or public health policy.

    • Competing interests None declared.

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