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  • Title: CA19-9 in potentially resectable pancreatic cancer: perspective to adjust surgical and perioperative therapy.
    Author: Hartwig W, Strobel O, Hinz U, Fritz S, Hackert T, Roth C, Büchler MW, Werner J.
    Journal: Ann Surg Oncol; 2013 Jul; 20(7):2188-96. PubMed ID: 23247983.
    Abstract:
    PURPOSE: In pancreatic cancer, genetic markers to aid clinical decision making are still lacking. The present study was designed to determine the prognostic role of perioperative serum tumor marker carbohydrate antigen 19-9 (CA19-9) in pancreatic adenocarcinoma, with a focus on implications for pre- and postoperative therapeutic consequences. METHODS: Of a total of 1,626 consecutive patients who underwent surgery for primary pancreatic adenocarcinoma, data from 1,543 patients with preoperative serum levels of CA19-9 were evaluated for tumor stage, resectability, and prognosis. Preoperative to postoperative CA19-9 changes were analyzed for long-term survival. A control cohort of 706 patients with chronic pancreatitis was used to assess the predictability of malignancy by CA19-9 and the effects of hyperbilirubinemia on CA19-9 levels. RESULTS: The more that preoperative CA19-9 increased, the lower were tumor resectability and survival rates. Resectability and 5-year survival varied from 80 to 38 % and from 27 to 0 % for CA19-9 <37 versus ≥4,000 U/ml, respectively. The R0 resection rate was as low as 15 % in all patients with CA19-9 levels ≥1,000 U/ml. CA19-9 increased with the stage of the disease and was highest in AJCC stage IV. Patients with an early postoperative CA19-9 increase had a dismal prognosis. Hyperbilirubinemia did not markedly affect CA19-9 levels (correlation coefficient ≤0.135). CONCLUSIONS: In patients with pancreatic adenocarcinoma, CA19-9 predicts resectability, stage of disease, as well as survival. Highly elevated preoperative or increasing postoperative CA19-9 levels are associated with low resectability and poor survival rates, and demand the adjustment of surgical and perioperative therapy.
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