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Published on: June 2, 2018
Tumor size correlates with malignancy in nonfunctioning pancreatic endocrine tumor
Rossella Bettini1, Stefano Partelli, Letizia Boninsegna
1Department of Surgery, S. Cuore-Don Calabria Hospital, Negrar, Verona, Italy.
Surgery
|June 21, 2011
Summary
Tumor size strongly correlates with malignancy in nonfunctioning pancreatic endocrine tumors. Nonoperative management may be suitable for incidentally discovered tumors 2 cm or smaller.
Area of Science:
- Endocrinology
- Surgical Oncology
- Gastroenterology
Background:
- Tumor size is crucial for staging and predicting outcomes in nonfunctioning pancreatic endocrine tumors (NFPTs).
- Assessing the relationship between NFPT size and malignancy is essential for guiding treatment decisions.
Purpose of the Study:
- To analyze the correlation between tumor size and malignancy in patients with NFPTs.
- To identify predictors of malignancy in NFPTs.
Main Methods:
- Retrospective analysis of 177 patients with NFPTs who underwent curative resection (R0) between 1990 and 2008.
- Clinicopathologic characteristics were compared across three tumor size groups: ≤2 cm, >2-4 cm, and >4 cm.
- Univariate and multivariable analyses were performed to identify predictors of malignancy.
Main Results:
- Tumors ≤2 cm were more frequently incidentally discovered (57%) and benign (81%).
- Tumor size >2 cm and nonincidental diagnosis were independent predictors of malignancy.
- No disease-related deaths occurred in incidentally discovered NFPTs ≤2 cm.
Conclusions:
- A significant correlation exists between tumor size and malignancy in NFPTs.
- Nonoperative management may be considered for incidentally discovered NFPTs ≤2 cm.