Gastroenteropancreatic Neuroendocrine Neoplasia Characterization in Portugal: Results from the NETs Study Group of the Portuguese Society of Endocrinology, Diabetes and Metabolism

Autor: A. P. Santos, J. Vinagre, P. Soares, I. Claro, A. C. Sanches, L. Gomes, I. Fernandes, A. L. Catarino, J. Preto, B. D. Pereira, A. P. Marques, F. Rodrigues, C. Amaral, G. Rocha, J. C. Mellidez, H. Simões, J. M. Lopes, M. J. Bugalho, On behalf of the NETs Study Group of the Portuguese Society of Endocrinology, Diabetes and Metabolism
Jazyk: angličtina
Rok vydání: 2019
Předmět:
Zdroj: International Journal of Endocrinology, Vol 2019 (2019)
Druh dokumentu: article
ISSN: 1687-8337
1687-8345
DOI: 10.1155/2019/4518742
Popis: Background. The incidence of gastroenteropancreatic neuroendocrine neoplasms (GEP-NENs) has been increasing in the last five decades, but there is no large-scale data regarding these tumours in Portugal. We conducted a cross-sectional, multicentric study in main Portuguese centers to evaluate the clinical, pathological, and therapeutic profile of GEP-NENs. Methods. From November, 2012, to July, 2014, data from 293 patients diagnosed with GEP-NENs from 15 centers in Portugal was collected and registered in an online electronic platform. Results. Median age at diagnosis was 56.5 (range: 15-87) years with a preponderance of females (54.6%). The most frequent primary sites were the pancreas (31.1%), jejunum-ileum (24.2%), stomach (13.7%), and rectum (8.5%). Data regarding hormonal status was not available in most patients (82.3%). Stratified by the tumour grade (WHO 2010 classification), we observed 64.0% of NET G1, 24.7% of NET G2, and 11.3% of NEC. Poorly differentiated tumours occurred mainly in older patients (p=0.017), were larger (p
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