Abstract
Objective This study was aimed at ascertaining the application value of abnormal prothrombin (PIVKA-II) and carbohydrate antigen 125 (CA125) in gallbladder cancer (GBC) diagnosis. Methods A total of 70 GBC patients, 70 patients with benign gallbladder diseases (gallbladder stones and gallbladder polyps), and 70 normal health examination people were selected as the malignant, benign, and normal groups, respectively. The differences in serum levels and positive rates of PIVKA-II and CA125 were compared. The correlation between serum PIVKA-II and CA125 levels and different clinicopathological characteristics (TNM stage and differentiation degree) of GBC patients was analyzed. The receiver operating characteristic curve was plotted to evaluate the diagnostic value of serum PIVKA-II and CA125 for GBC, and sensitivity, specificity, and Youden’s index were calculated. Results Serum PIVKA-II and CA125 levels and positive rates of patients in the malignant group were higher vs those in the benign and normal groups. Gallbladder cancer patients at stages III-IV had higher serum PIVKA-II and CA125 levels than those at stages I-II, and poorly differentiated GBC patients had higher serum PIVKA-II and CA125 levels than moderately differentiated and well-differentiated GBC patients. The AUC of serum PIVKA-II and CA125 alone and in combination were 0.771, 0.789, and 0.866, respectively, and the AUC of the two combined was higher vs that of the two alone. Conclusion Serum PIVKA-II and CA125 levels in GBC patients are increased and have significant clinical application value in the diagnosis of GBC.
Published Version
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