TNM staging of neoplasms of the endocrine pancreas: Results from a large international cohort study

G. Rindi, M. Falconi, C. Klersy, L. Albarello, L. Boninsegna, M. W. Buchler, C. Capella, M. Caplin, A. Couvelard, C. Doglioni, G. Delle Fave, L. Fischer, G. Fusai, W. W. De Herder, H. Jann, P. Komminoth, R. R. De Krijger, S. La Rosa, T. V. Luong, U. PapeA. Perren, P. Ruszniewski, A. Scarpa, A. Schmitt, E. Solcia, B. Wiedenmann

Research output: Contribution to journalArticlepeer-review


Background Both the European Neuroendocrine Tumor Society (ENETS) and the International Union for Cancer Control/American Joint Cancer Committee/World Health Organization (UICC/AJCC/WHO) have proposed TNM staging systems for pancreatic neuroendocrine neoplasms. This study aims to identify the most accurate and useful TNM system for pancreatic neuroendocrine neoplasms. Methods The study included 1072 patients who had undergone previous surgery for their cancer and for which at least 2 years of follow-up from 1990 to 2007 was available. Data on 28 variables were collected, and the performance of the two TNM staging systems was compared by Cox regression analysis and multivariable analyses. All statistical tests were two-sided. Results Differences in distribution of sex and age were observed for the ENETS TNM staging system. At Cox regression analysis, only the ENETS TNM staging system perfectly allocated patients into four statistically significantly different and equally populated risk groups (with stage I as the reference; stage II hazard ratio [HR] of death = 16.23, 95% confidence interval [CI] = 2.14 to 123, P =. 007; stage III HR of death = 51.81, 95% CI = 7.11 to 377, P

Original languageEnglish
Pages (from-to)764-777
Number of pages14
JournalJournal of the National Cancer Institute
Issue number10
Publication statusPublished - May 16 2012

ASJC Scopus subject areas

  • Cancer Research
  • Oncology


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