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Table of Contents
Vol. 96, No. 1, 2012
Issue release date: July 2012
Section title: Original Paper
Neuroendocrinology 2012;96:32–40
(DOI:10.1159/000334038)

Risk Factors for Disease Progression in Advanced Jejunoileal Neuroendocrine Tumors

Panzuto F. · Campana D. · Fazio N. · Brizzi M.P. · Boninsegna L. · Nori F. · Di Meglio G. · Capurso G. · Scarpa A. · Dogliotti L. · De Braud F. · Tomassetti P. · Delle Fave G. · Falconi M.
aDigestive and Liver Disease Unit, ‘Sapienza’ University of Rome, Rome, bDepartment of Clinical Medicine, S. Orsola-Malpighi Hospital, University of Bologna, Bologna, cDepartment of Medicine, Medical Oncology Division, European Institute of Oncology, Milan, dMedical Oncology, A.O.U. San Luigi, Orbassano, University of Turin, Turin, eSurgery B, and fARC-NET Center for Applied Research on Cancer and Department of Pathology and Diagnostics, University of Verona, Verona, and gDepartment of Surgery, Sacro Cuore Don Calabria Hospital, Negrar, Italy

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Article / Publication Details

First-Page Preview
Abstract of Original Paper

Received: 5/31/2011
Accepted: 9/26/2011
Published online: 12/28/2011

Number of Print Pages: 9
Number of Figures: 3
Number of Tables: 5

ISSN: 0028-3835 (Print)
eISSN: 1423-0194 (Online)

For additional information: http://www.karger.com/NEN

Abstract

Background: Knowledge of clinical course in advanced jejunoileal neuroendocrine tumors (NETs) is poor. Aim: To investigate progression-free survival (PFS), overall survival (OS), and possible predictors for disease progression (DP) in advanced jejunoileal NETs. Patients and Methods: We carried out a multicenter, retrospective analysis of incoming patients with sporadic advanced jejunoileal NETs. PFS and OS were assessed by Kaplan-Meier analysis. Risk factors for progression were analyzed by the Cox proportional hazards method. Results: Of the 114 patients enrolled, 46.5% had functioning tumors, 93.9% had stage IV disease, and 57.3 and 42.7% were G1 and G2 tumors, respectively. During a median follow-up of 48 months (interquartile range 29–84 months), DP occurred in 61.4% of patients, after 19 months (interquartile range 10–41 months) from diagnosis. Median PFS was 36 months. The 2-year and 5-year PFS were 59 and 33%, respectively, while 5-year OS was 77.5%. Ki67 was the sole strong independent risk factor for unfavorable outcome according to multivariate analysis, being significantly associated with both PFS and OS. Conclusions: DP occurred in the majority of patients with advanced jejunoileal NETs, with median PFS being 36 months. Ki67 was a significant predictor of DP and should be considered in determining appropriate treatments and planning follow-up for these patients.


Article / Publication Details

First-Page Preview
Abstract of Original Paper

Received: 5/31/2011
Accepted: 9/26/2011
Published online: 12/28/2011

Number of Print Pages: 9
Number of Figures: 3
Number of Tables: 5

ISSN: 0028-3835 (Print)
eISSN: 1423-0194 (Online)

For additional information: http://www.karger.com/NEN


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