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KMID : 1137020120230020086
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Journal of Gynecologic Oncology
2012 Volume.23 No. 2 p.86 ~ p.90
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Thrombopoietin: a novel candidate tumor marker for the diagnosis of ovarian cancer
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Mermer Timucin
Terek Mustafa Cosan
Zeybek Burak
Ergenoglu Ahmet Mete
Yeniel Ahmet Ozgur
Ozsaran Aydın
Zekioglu Osman
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Abstract
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Objective: To investigate the decisive role of preoperative serum thrombopoietin levels in the discrimination of benign and malignant ovarian pathologies and its value in the evaluation of treatment response.
Methods: Fifty patients with diagnoses of adnexal masses (25 benign, 25 malignant) were included in the study. Blood samples were collected from all cases preoperatively. Age, menopausal status, adnexal mass size, preoperative CA-125 level, platelet count, the stage of the disease (FIGO stage), tumor grade, histologic subgroup, the residual tumor mass, ascites cytology, surgical procedures, and postoperative treatments were recorded for the malignant group. Response to treatment was evaluated based on the revised RECIST guideline.
Results: The preoperative serum thrombopoietin levels of the malignant cases (median, 98; range, 7 to 768) were significantly higher when compared with those of benign cases (median, 27; range, 13 to 131; p=0.004). The positive predictive value of CA-125 was found to be 79%, when it was used as a single marker; however it had risen to 85% when both CA-125 and thrombopoietin levels were used. There was no significant relationship between preoperative serum thrombopoietin levels and tumor grade, ascites cytology, presence of residual mass, and response to treatment. The preoperative serum thrombopoietin levels were significantly higher in stage III-IV cases and cases with serous histology. The post-treatment serum thrombopoietin levels in the malignant group were significantly lower as compared with the preoperative thrombopoietin levels.
Conclusion: Thrombopoietin can play an additive role for prediction of ovarian cancer.
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KEYWORD
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Biological tumor markers, Ovarian neoplasms, Thrombopoietin
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