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The outcomes after surgical resection in pancreatic endocrine tumors: An institutional experience
European Journal of Surgical Oncology, 06/08/09

You DD et al. – Study demonstrates that surgical resection is curative for well-differentiated tumors (WDT) and recurrences are frequent in spite of curative resection for malignant pancreatic endocrine tumors (PET).

Methods

Aim was to analyze surgical outcomes of sporadic PET and factors influencing survival
Between 1995 and 2007, pts who underwent surgery were retrospectively reviewed for clinicopathologic variables and outcomes according to the WHO classifications

Results

Total 96 pts:
- 39 pts had WDT with benign behavior
- 23 had uncertain behavior
- 27 had low-grade carcinoma, and
- 7 were diagnosed with high-grade carcinoma
R0 resection was performed in 84 pts
No recurrence was observed in WDT regardless of its behavior or curability
However, 16/34 pts with carcinoma had recurrence
5 yr OS for R0-resected pts with carcinoma was 57%
OS at 3 yrs for R1/R2-resected pts was 23%
WHO classification and R0 resection were independent prognostic factors in multivariate analysis