Background: Patients with sporadic neuroendocrine neoplasms may exhibit a higher risk of a second primary tumor than the general population. Aim: This study aimed to analyze the occurrence of second primary malignancies. Methods: A retrospective cohort of 2757 patients with sporadic lung and gastro-entero-pancreatic neu- roendocrine neoplasms, managed at eight Italian tertiary referral Centers, was included. Results: Between 20 0 0 and 2019, a second primary malignancy was observed in 271 (9.8%) neuroen- docrine neoplasms patients with 32 developing a third tumor. There were 135 (49.8%) females and the median age was 64 years. The most frequent locations of the second tumors were breast (18.8%), prostate (12.5%), colon (9.6%), blood tumors (8.5%), and lung (7.7%). The second primary tumor was synchronous in 19.2% of cases, metachronous in 43.2%, and previous in 37.6%. As concerned the neuroendocrine neo- plasms, the 5- and 10-year survival rates were 87.8% and 74.4%, respectively. PFS for patients with a second primary malignancy was shorter than for patients without a second primary malignancy. Death was mainly related to neuroendocrine neoplasms. Conclusion: In NEN patients the prevalence of second primary malignancies was not negligible, suggest- ing a possible neoplastic susceptibility. Overall survival was not affected by the occurrence of a second primary malignancy.

Second primary neoplasms in patients with lung and gastroenteropancreatic neuroendocrine neoplasms: data from a retrospective multi-centric study / Massironi, S.; ∗, ; Campana b, D.; Pusceddu, S.; Albertelli d, M.; Faggiano e, A.; Panzuto, F.; Smiroldo, V.; Andreasi h, V.; Rossi i, R. E.; Maggio b, I.; Torchio c, M.; Dotto d, A.; Modica j, R.; Rinzivillo, M.; Carnaghi, C.; Partelli h, S.; Fanetti l, I.; Lamberti b, G.; Corti c, F.; Ferone, D.; Colao j, A.; Annibale, B.; M, ; Invernizzi a, P.; Falconi, M.. - In: DIGESTIVE AND LIVER DISEASE. - ISSN 1590-8658. - (2021).

Second primary neoplasms in patients with lung and gastroenteropancreatic neuroendocrine neoplasms: data from a retrospective multi-centric study

F. Panzuto;B. Annibale;
2021

Abstract

Background: Patients with sporadic neuroendocrine neoplasms may exhibit a higher risk of a second primary tumor than the general population. Aim: This study aimed to analyze the occurrence of second primary malignancies. Methods: A retrospective cohort of 2757 patients with sporadic lung and gastro-entero-pancreatic neu- roendocrine neoplasms, managed at eight Italian tertiary referral Centers, was included. Results: Between 20 0 0 and 2019, a second primary malignancy was observed in 271 (9.8%) neuroen- docrine neoplasms patients with 32 developing a third tumor. There were 135 (49.8%) females and the median age was 64 years. The most frequent locations of the second tumors were breast (18.8%), prostate (12.5%), colon (9.6%), blood tumors (8.5%), and lung (7.7%). The second primary tumor was synchronous in 19.2% of cases, metachronous in 43.2%, and previous in 37.6%. As concerned the neuroendocrine neo- plasms, the 5- and 10-year survival rates were 87.8% and 74.4%, respectively. PFS for patients with a second primary malignancy was shorter than for patients without a second primary malignancy. Death was mainly related to neuroendocrine neoplasms. Conclusion: In NEN patients the prevalence of second primary malignancies was not negligible, suggest- ing a possible neoplastic susceptibility. Overall survival was not affected by the occurrence of a second primary malignancy.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/1578896
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