Management of gastro-entero-pancreatic neuroendocrine tumours (GEP NET): an introduction.

Acta Gastroenterol Belg

Department of Internal Medicine and Gastroenterology, St.-Lucas Hospital, Brugge.

Published: June 2009

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Article Synopsis
  • The approval of radioligand therapy (RLT) by EMA in 2017 and FDA in 2018 has led to its broader use in treating neuroendocrine neoplasms (NENs), particularly advanced well-differentiated gastro-entero-pancreatic types.
  • However, RLT applications are limited to specific tumor types, leaving some tumors, like those from the sympathetic-adrenal-medullary (SAM) axis, as "RLT-orphans" that cannot currently benefit from this therapy.
  • The paper explores theragnostic options for treating pheochromocytomas and paragangliomas, discussing traditional methods with MIBG and potential future applications using radiolabeled somat
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Neuroendocrine neoplasms (NENs) arise from neuroendocrine cells in a wide variety of organs. One of the most affected disease sites is the gastrointestinal system, which originates the gastro-entero-pancreatic NENs (GEP-NENs), a heterogenous group of malignancies that are rapidly increasing in incidence. These tumors can be functioning, with secretory activity leading to identifiable clinical syndromes, or non-functioning, with no secretory activity but with local symptoms of tumor growth and metastasis.

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<b>Introduction:</b> Gastro-entero-pancreatic neuroendocrine neoplasms (GEP-NENs) are malignancies originating from cells of the diffuse endocrine system. They are rare and localize in the upper and lower parts of the gastrointestinal tract and in the pancreas. Despite such a varied location, GEP-NENs are considered a common group of neoplasms due to the fact of their similar morphology and ability to secrete peptide hormones and biologically active amines.

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Purpose: The aim of this study is to describe the clinical management of an Italian series of patients with advanced gastro-entero-pancreatic (GEP) MiNENs treated in clinical practice.

Methods: Clinical records of patients from four Italian referral Centers were retrospectively analyzed to correlate clinical/biological data with clinical outcomes. All the surgical specimens were centrally reviewed.

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A literature search of MEDLINE/PUBMED was conducted with the aim to highlight current endoscopic management of localised gastro-entero-pancreatic NETs. Relevant articles were identified through a manual search, and reference lists were reviewed for additional articles. The results of the research have been displayed in a narrative fashion to illustrate the actual state-of-the-art of endoscopic techniques in the treatment of NETs.

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