Abstract
The high incidence (40.6%) of elevated serum pancreatic phospholipase A2 (PLA2) was demonstrated in patients with various malignancies. Serum PLA2 was significantly increased in cancer patients compared with healthy sex- and age-matched blood donors (358.4 +/- 168.0 vs. 241.7 +/- 69.0 ng/dl; p less than 0.01). No correlation was observed between serum PLA2 and carcinoembryonic antigen (CEA) in these patients. Although patients with advanced and distantly metastatic cancer of the liver, gallbladder and pancreas showed higher PLA2 levels in serum than those with early cancer, patients with other cancers showed no correlation between serum PLA2 and clinical stage. A combined assay of PLA2 and CEA increased the sensitivity of detection of cancers to 60.8%.
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