• Dilek Kaplanoglu, Mehmet Bulbul, Gulnara Odemis, and Mustafa Kaplanoglu.
• Yuregir Government Hospital, Department of Obstetric and Gynecology - Adana, Turkey.
• Rev Assoc Med Bras (1992). 2021 Jun 1; 67 (6): 873-877.

ObjectiveAdnexal torsion is an important gynecological emergency due to nonfrequent but possible adverse reproductive outcomes. There is no specific laboratory marker to support the preoperative diagnosis or that can be used clinically. The aim of this study was to investigate the diagnostic values of platelet, neutrophil, lymphocyte, and red cell markers as an early indicator of ovarian torsion.MethodsThis retrospective study included 28 female patients who were treated surgically for adnexal torsion between August 2010 and July 2020, and 29 control group women. The demographic data and routine hematological values of patients were compared for adnexal torsion prediction.ResultsThere were no differences between the groups in terms of the platelet count, platelet distribution width, red cell distribution width, and mean platelet volume values, and there were no differences in the demographic data. Statistical differences were found among white blood cell, hemoglobin, hematocrit, neutrophil and lymphocyte counts, neutrophil/lymphocyte ratio, and platelet/lymphocyte ratio, and 81.5% sensitivity and 82.1% specificity were identified for neutrophil/lymphocyte ratio 2.45 (area under the curve AUC 0.892; 95%CI 0.808-0.975; p<0.001). Odds ratio for neutrophil/lymphocyte ratio was 2.62 (95%CI 0.861-7.940, p=0.029).ConclusionAccording to the regression analysis, neutrophil/lymphocyte ratio was found to be the most beneficial among all blood count parameters for the pre-diagnosis of AT.

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