Journal
AMERICAN JOURNAL OF SURGERY
Volume 197, Issue 4, Pages 466-472Publisher
EXCERPTA MEDICA INC-ELSEVIER SCIENCE INC
DOI: 10.1016/j.amjsurg.2007.12.057
Keywords
Pancreatic cancer; Platelets; Lymphocytes; Prognostic
Categories
Funding
- Cancer Research UK [1089464]
- Medical Research Council [G9900432] Funding Source: researchfish
- MRC [G9900432] Funding Source: UKRI
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BACKGROUND: The objective of this study was to investigate whether the preoperative platelet-lymphocyte (P/L) ratio represents a significant prognostic index in resected pancreatic ductal adeno-carcinoma. METHODS: A total of 110 patients undergoing pancreatoduodenectomy for pancreatic ductal adenocarcinoma over a 10-year period were identified from a prospectively maintained database. RESULTS: The preoperative P/L ratio was found to be a more significant prognostic marker (P < .001) than either the lymphocyte count (P = .007) or platelet count (P = .068) on univariate Cox survival analysis. The median overall survival in patients with a P/L ratio of 150 or less (n = 48) was 19.7 months, 13.7 months in those with a P/L ratio of 151 to 300 (n = 43), and 5.8 months in patients with a value of greater than 300 (n = 19) (log-rank, P = .006). The preoperative P/L ratio retained significance of multivariate analysis (P < .001), along with tumor size (P = .010) and lymph node ratio (P = .013). CONCLUSION: The preoperative P/L ratio represents a significant independent prognostic index in patients of resected pancreatic adenocarcinoma. (C) 2009 Elsevier Inc. All rights reserved.
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