Abstract

Purpose: Multiple endocrine neoplasia type 1 (MEN1) is an inherited endocrine neoplastic syndrome associated with a greater risk of endocrine tumor development like pancreatic neuroendocrine tumors (p-NET), with different clinical characteristics from sporadic ones. This paper aims to compare clinical, hystological and morphological aspects of p-NET in patients affected from MEN1 (MEN1+) and not-affected ones (MEN1−). Methods: We performed a retrospective observational study. Data was collected between December 2010 and December 2015, including patients with a histological diagnosis of p-NET and radiological imaging. We compared clinical, histological, radiological, and prognostic aspects of MEN+ p-NET with MEN−1 p-NET. Results: Of the 45 patients enrolled, 13 MEN1+ and 21 MEN1− cases were analyzed. Frequency of not secreting p-NETs and insulin secreting p-NETs, histopathological grades and Ki67 expression were superimposable between MEN1+ and MEN1− patients. MEN1+ pNETs are more often multicentric compared to MEN1− pNETs. Frequency of liver and nodes metastatic spread was higher in MEN1− p-NET compared to MEN1+ p-NET. Analyzing p-NET according to the disease outcome, we found that recovered and stable p-NETs in MEN1+ patients, compared to MEN1− cases, are diagnosed at lower age (p = 0.04/p = 0.002) and that are more frequently multifocal lesions (p = 0.009/p = 0.002). Conclusions: In our study pNETs in MEN1+ and pNETs in MEN1− don’t significantly differ for prognosis but only for clinical features. p-NET stage disease and prognosis can be positively influenced by early diagnosis and screening in index patients’ first-degree relatives
Lingua originaleEnglish
pagine (da-a)362-367
Numero di pagine6
RivistaENDOCRINE
Volume60
DOI
Stato di pubblicazionePubblicato - 2018

Keywords

  • Endocrinology
  • Endocrinology, Diabetes and Metabolism
  • MEN1
  • Neuroendocrine tumor
  • Pancreas
  • pNET

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