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- Title
Tumor Size Combined With CA-19 Level Improves Prediction of Survival of Patients With Pancreatic Adenocarcinoma Undergoing Perioperative Chemotherapy and Resection.
- Authors
Said, Sayf A.; Perlmutter, Breanna C.; Wehrle, Chase J.; Chang, Jenny; Hossain, Mir Shanaz; Naffouje, Samer; Joyce, Daniel; Simon, Robert; Walsh, R. Matthew; Augustin, Toms
- Abstract
Background and Objective: Five-year survival in pancreatic adenocarcinoma is less than 20%. While previous studies have postulated that a carbohydrate antigen 19-9 (CA19-9) threshold could predict outcome of resection, the role for CA19-9 in decision-making remains unclear. This study aims to assess whether CA19-9 levels combined with tumor size improve prediction of post-resection survival. Method: A retrospective analysis was conducted on 109 patients with pancreatic adenocarcinoma who underwent perioperative chemotherapy followed by resection. The primary outcome of mortality was, divided into short (<1 year) or prolonged (>2 years). Univariate and multivariable analyses compared the tumor size-adjusted CA19-9 between the outcome groups. Results: Twenty-seven (24.78%) and eighty-two (75.23%) patients were in the short survival and prolonged-survival groups, respectively. The mean CA19-9 was significantly greater in the short vs prolonged group (P <.001). Analyzing CA19-9 level by tumor size, the association of high CA19-9 and short survival was significant for small (≤2 cm) and large tumor (>4 cm), but not for intermediate-size tumors (2-4 cm). Adjusting for preoperative variable did not change this association. Conclusion: CA 19-9 in combination with tumor size better identifies patients with prolonged post-resection survival. This prediction is most accurate in patients with either small (≤2 cms) or large (>4 cms) tumors compared to intermediate-size tumors.
- Subjects
PANCREATIC tumors; OVERALL survival; ADENOCARCINOMA; TUMORS; CANCER chemotherapy; UNIVARIATE analysis; CA 19-9 test
- Publication
American Surgeon, 2024, Vol 90, Issue 6, p1397
- ISSN
0003-1348
- Publication type
Article
- DOI
10.1177/00031348241241738