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EnglishEvidence is limited regarding outcome of patients with ectopic Cushing's syndrome (ECS) due to neuroendocrine tumors (NETs). DESIGN: We assessed the prognostic factors affecting the survival of patients with NETs and ECS. METHODS: Retrospective analysis of clinicopathological features, severity of hormonal syndrome, treatments from a large cohort of patients with NETs and ECS collected from 17 Italian centers. RESULTS: Our series included 110 patients, 58.2% female, with mean (±s.d.) age at diagnosis of 49.5 ± 15.9 years. The main sources of ectopic ACTH were bronchial carcinoids (BC) (40.9%), occult tumors (22.7%) and pancreatic (p)NETs (15.5%). Curative surgery was performed in 56.7% (70.2% of BC, 11% of pNETs). Overall survival was significantly higher in BC compared with pNETs and occult tumors (P = 0.033) and in G1-NETs compared with G2 and G3 (P = 0.007). Negative predictive factors for survival were severity of hypercortisolism (P < 0.02), hypokalemia (P = 0.001), diabetes mellitus (P = 0.0146) and distant metastases (P < 0.001). Improved survival was observed in patients who underwent NET removal (P < 0.001). Adrenalectomy improved short-term survival. CONCLUSIONS: Multiple factors affect prognosis of ECS patients: type of NET, grading, distant metastases, severity of hypercortisolism, hypokalemia and diabetes mellitus. BCs have the highest curative surgical rate and better survival compared with occult tumors and pNETs. Hypercortisolism plays a primary role in affecting outcome and quality of life; therefore, prompt and vigorous treatment of hormonal excess by NET surgery and medical therapy should be a key therapeutic goal. In refractory cases, adrenalectomy should be considered as it affects outcome positively at least in the first 2 years.
| Data di pubblicazione: | 2017 | |
| Titolo: | Prognostic factors in ectopic Cushing's syndrome due to neuroendocrine tumors: a multicenter study | |
| Autori: | Davi', Maria Vittoria; Cosaro, Elisa; Piacentini, Serena; Reimondo, Giuseppe; Albiger, Nora; Arnaldi, Giorgio; Faggiano, Antongiulio; Mantovani, Giovanna; Fazio, Nicola; Piovesan, Alessandro; Arvat, Emanuela; Grimaldi, Franco; Canu, Letizia; Mannelli, Massimo; Ambrogio, Alberto Giacinto; Pecori Giraldi, Francesca; Martini, Chiara; Lania, Andrea; Albertelli, Manuela; Ferone, Diego; Zatelli, Maria Chiara; Campana, Davide; Colao, Annamaria; Scaroni, Carla; Terzolo, Massimo; De Marinis, Laura; Cingarlini, Sara; Micciolo, Rocco; Francia, Giuseppe | |
| Rivista: | EUROPEAN JOURNAL OF ENDOCRINOLOGY | |
| Keywords: | ectopic Cushing syndrome; neuroendocrine tumors | |
| Abstract in inglese: | Evidence is limited regarding outcome of patients with ectopic Cushing's syndrome (ECS) due to neuroendocrine tumors (NETs). DESIGN: We assessed the prognostic factors affecting the survival of patients with NETs and ECS. METHODS: Retrospective analysis of clinicopathological features, severity of hormonal syndrome, treatments from a large cohort of patients with NETs and ECS collected from 17 Italian centers. RESULTS: Our series included 110 patients, 58.2% female, with mean (±s.d.) age at diagnosis of 49.5 ± 15.9 years. The main sources of ectopic ACTH were bronchial carcinoids (BC) (40.9%), occult tumors (22.7%) and pancreatic (p)NETs (15.5%). Curative surgery was performed in 56.7% (70.2% of BC, 11% of pNETs). Overall survival was significantly higher in BC compared with pNETs and occult tumors (P = 0.033) and in G1-NETs compared with G2 and G3 (P = 0.007). Negative predictive factors for survival were severity of hypercortisolism (P < 0.02), hypokalemia (P = 0.001), diabetes mellitus (P = 0.0146) and distant metastases (P < 0.001). Improved survival was observed in patients who underwent NET removal (P < 0.001). Adrenalectomy improved short-term survival. CONCLUSIONS: Multiple factors affect prognosis of ECS patients: type of NET, grading, distant metastases, severity of hypercortisolism, hypokalemia and diabetes mellitus. BCs have the highest curative surgical rate and better survival compared with occult tumors and pNETs. Hypercortisolism plays a primary role in affecting outcome and quality of life; therefore, prompt and vigorous treatment of hormonal excess by NET surgery and medical therapy should be a key therapeutic goal. In refractory cases, adrenalectomy should be considered as it affects outcome positively at least in the first 2 years. | |
| Digital Object Identifier (DOI): | 10.1530/EJE-16-0809 | |
| Handle: | http://hdl.handle.net/11392/2364789 | |
| Appare nelle tipologie: | 03.1 Articolo su rivista |
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| File | Descrizione | Tipologia | Licenza | |
|---|---|---|---|---|
| EJE160809.pdf | Full text author's copy | Full text (versione editoriale) | NON PUBBLICO - Accesso privato/ristretto | Administrator Richiedi una copia |
| [1479683X - European Journal of Endocrinology] Prognostic factors in ectopic Cushing’s syndrome due to neuroendocrine tumors_ a multicenter study.pdf | Full text editoriale | Full text (versione editoriale) | NON PUBBLICO - Accesso privato/ristretto | Administrator Richiedi una copia |
| Prognostic factors .... con copertina P copia.pdf | Post print - accepted manuscript | Post-print | PUBBLICO - Pubblico con Copyright | Open Access Visualizza/Apri |
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