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Solid pseudopapillary tumor of the pancreas: Can malignancy be predicted?

Authors
Journal
Surgery
0039-6060
Publisher
Elsevier
Publication Date
Volume
149
Issue
5
Identifiers
DOI: 10.1016/j.surg.2010.11.005
Disciplines
  • Biology
  • Medicine

Abstract

Background The objective of this study was to examine the clinicopathologic characteristics of solid pseudopapillary tumors (SPTs) of the pancreas, including the risk factors for disease recurrence and their effects on survival. Methods The medical records of 114 patients who underwent surgery for a pathologically confirmed SPT between January 1995 and December 2007 were reviewed retrospectively. Results Of the 114 patients, 98 (86.9%) were female, and the median age was 36 years (range, 11–75). All 114 patients underwent curative intent surgery and 13 (11.4%) underwent laparoscopic surgery. Of the 114 patients, 26 (22.8%) had solid pseudopapillary carcinoma (SPC). There were no differences in any clinical factors between the benign SPT and SPC groups; however, the only 4 recurrences identified were in the SPC group. After follow-up ranging from 11 to 177 months, all 114 patients were alive, with only 4 showing evidence of recurrence. Recurrence was observed in young patients with metastasis at first operation, invasion of an adjacent organ, and a large mass (≥13 cm). Conclusion Adequate operative resection including laparoscopic surgery is the mainstay of treatment for SPT. Although statistically significant risk factors for recurrence cannot be determined, tumor metastasis at the first operation, invasion of adjacent organ, large tumor size, young patient age, tumor rupture, and inadequate resection may increase the risk of recurrence. Our results demonstrate that long-term survival could be achieved by aggressive operative resection and interventional treatment of recurrent disease.

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