, Volume 16, Issue 12, pp 3340-3349
Date: 24 Sep 2009

Survival Data Justifies Resection for Pancreatic Metastases

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Abstract

Background

Pancreatic metastases are uncommon and little is known about the oncologic outcome after resection or prognostic parameters. This study was designed to evaluate perioperative and follow-up results after resection for pancreatic metastases and to define prognostic factors.

Methods

From a prospective database, all consecutive resections performed at our institution for pancreatic metastases between October 2001 and July 2008 were identified. Clinicopathological details, perioperative, and follow-up results were analyzed. Uni- and multivariate analysis were performed to identify parameters associated with overall and disease-free survival.

Results

Forty-four resections were performed for pancreatic metastases. Primary tumors included 31 (70%) renal cell carcinomas (RCC) and 13 other primary tumors. Morbidity was 33% and mortality 4.4%. Pancreatic metastases occurred after a median interval of 6.9 years after resection of the primary tumor. Twenty-five patients (57%) had additional extrapancreatic disease. With a median follow-up of 32.1 months, overall 3- and 5-year survivals were 70.2% and 56.8%, disease-free 3- and 5-year survivals were 37.2% and 33%, respectively. Patients with isolated pancreatic metastases had an overall 3- and 5-year survival of 85.6% and 74.9%. Additional extrapancreatic disease, a disease-free interval of less than 36 months, and non-RCC entity were associated with shorter overall survival. Previous recurrence, non-RCC primary tumors, and a disease-free interval of less than 36 months were associated with shorter disease-free survival.

Conclusions

Resection for pancreatic metastases can be performed safely and with good follow-up results and can be recommended as part of an interdisciplinary treatment. Especially in patients with isolated pancreatic metastases, long-term survival can be expected.