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Serum CA 19.9 Levels in Patients With Benign and Malignant Disease: Correlation With the Serum Protein Electrophoretic Pattern.
Anticancer Research 2019 Februrary
AIM: To confirm that the carbohydrate antigen 19.9 (CA 19.9) protein can be evaluated by determining changes in the β2 zone in protein electrophoresis.
MATERIALS AND METHODS: A total of 75 patients (64 with cancer, 11 with benign diseases) with abnormal serum CA 19.9 level were included.
RESULTS: Patients with cancer had significantly higher serum CA 19.9 concentrations than those with benign diseases (p<0.001). Similar CA 19.9 levels were observed in patients with normal (median 1129 U/ml), weakly positive (median 699 U/ml) and positive (2333 U/ml) β2 fraction in protein electrophoresis. In contrast, changes in the protein pattern of the β2 fraction were related to an inflammatory pattern with significantly higher C-reactive protein concentration (p<0.0001), independently of serum CA 19.9 level.
CONCLUSION: The intensity of the β2 fraction in protein electrophoresis is related to inflammation and not to CA 19.9 in patients with cancer or other diseases.
MATERIALS AND METHODS: A total of 75 patients (64 with cancer, 11 with benign diseases) with abnormal serum CA 19.9 level were included.
RESULTS: Patients with cancer had significantly higher serum CA 19.9 concentrations than those with benign diseases (p<0.001). Similar CA 19.9 levels were observed in patients with normal (median 1129 U/ml), weakly positive (median 699 U/ml) and positive (2333 U/ml) β2 fraction in protein electrophoresis. In contrast, changes in the protein pattern of the β2 fraction were related to an inflammatory pattern with significantly higher C-reactive protein concentration (p<0.0001), independently of serum CA 19.9 level.
CONCLUSION: The intensity of the β2 fraction in protein electrophoresis is related to inflammation and not to CA 19.9 in patients with cancer or other diseases.
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