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. 2010 Apr;17(4):991-7.
doi: 10.1245/s10434-009-0883-9. Epub 2010 Jan 28.

Predictors of survival in periampullary cancers following pancreaticoduodenectomy

Ioannis Hatzaras  1 , Nathaniel George, Peter Muscarella, W Scott Melvin, E Christopher Ellison, Mark Bloomston
Affiliations

Predictors of survival in periampullary cancers following pancreaticoduodenectomy

Ioannis Hatzaras et al. Ann Surg Oncol. 2010 Apr.

Abstract

Background: Cancers of the ampulla of Vater, distal common bile duct, and pancreas are known to have dismal prognosis. It is often reported that ampullary cancers are less aggressive relative to the other periampullary carcinomas. We sought to evaluate predictors of survival for periampullary cancers following pancreaticoduodenectomy to identify biologic behavior.

Methods: We reviewed the records of all patients who underwent pancreaticoduodenectomy for periampullary carcinoma between 1992 and 2007 at the Ohio State University Medical Center. Demographics, treatment, and outcome/survival data were analyzed. Kaplan-Meier survival curves were created and compared by log-rank analysis. Multivariate analysis was undertaken using Cox proportional-hazards method.

Results: 346 consecutive periampullary malignancies (249 pancreatic cancers, 79 ampullary carcinomas, 18 extrahepatic cholangiocarcinomas) treated by pancreaticoduodenectomy were identified. Pancreatic cancer histology correlated with the shortest median survival (17.1 months), followed by cholangiocarcinoma (17.9 months) and ampullary carcinoma (44.3 months) (P < 0.001). Potential predictors of decreased survival on univariate analysis included site of origin, preoperative jaundice, microscopic positive margin, nodal metastasis, lymphovascular invasion, neural invasion, and poor differentiation. Only nodal metastasis (median 16.2 versus 29.9 months, P < 0.001) and neural invasion (median 17.7 versus 47.9 months, P < 0.00001) significantly predicted outcome on multivariate analysis.

Conclusions: Although ampullary cancers have the best prognosis overall, when controlled for tumor stage, only presence of neural invasion and nodal metastasis predict poor survival following pancreaticoduodenectomy. Biological behavior remains the most important prognostic indicator in periampullary cancers amenable to resection, regardless of site of origin.

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Figures

FIG. 1
FIG. 1
Overall survival by tumor site
FIG. 2
FIG. 2
Overall survival by: a neual invasion and b nodal metastasis
See this image and copyright information in PMC

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