Objective: To study plasma lysophosphatidic acid( LPA) and the CA125 expression in endometrial carcinoma and the relationship with clinical pathological characteristics. Methods: Using chemical colorimetric assay for detection of endometrial carcinoma in 65 cancer and 40 cases of endometrial atypical hyperplasia and 40 healthy blood donors( the control group) of plasma lysophosphatidic acid concentrations using electrochemiluminescence immunoassay for detection of serum CA125 concentration. Results: Plasma ...