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    An Exploratory Study of Serum Vasorin Levels in Polycystic Ovary Syndrome: A Novel Potential Biomarker for Diagnosis and Pathogenesis
    (Mdpi, 2025) Keyif, Betul; Yurtcu, Engin; Basbug, Alper; Yavuzcan, Ali; Goynumer, Fikret Gokhan
    Objective: This study aims to investigate the potential role of vasorin as a novel biomarker in the pathogenesis of polycystic ovary syndrome (PCOS) by evaluating serum vasorin levels in women diagnosed with PCOS. Methods: A prospective study was conducted at D & uuml;zce University Faculty of Medicine between March and July 2024, including 92 women with PCOS, diagnosed based on the 2003 Rotterdam criteria, and 68 age- and BMI-matched healthy controls. Serum vasorin levels were measured using an enzyme-linked immunosorbent assay (ELISA) and compared between the two groups. Additionally, correlations between vasorin levels and metabolic, inflammatory, and hormonal parameters were analyzed. Results: Women with PCOS had significantly lower serum vasorin levels (median: 0.70 pg/mL) compared to the control group (median: 2.36 pg/mL, p < 0.001). No significant correlation was found between vasorin and metabolic or hormonal parameters in the PCOS group. However, a weak positive correlation with prolactin was observed in the control group (r = 0.264, p = 0.030). Although vasorin is involved in inflammatory and oxidative-stress pathways, its association with insulin resistance and lipid metabolism remains unclear based on this study. Receiver Operating Characteristic (ROC) curve analysis demonstrated a high diagnostic performance for vasorin in distinguishing PCOS from healthy individuals (AUC = 0.918, p < 0.001, 95% CI: 0.869-0.967). The optimal cutoff value for vasorin (1.285 pg/mL) yielded 92.6% sensitivity and 87.0% specificity. Conclusions: These findings suggest that vasorin may serve as a promising biomarker for PCOS, potentially linking hormonal dysregulation, inflammatory responses, and ovarian dysfunction. However, further validation is required through longitudinal studies, multi-center cohorts, and mechanistic investigations. Additionally, comparative assessments with established biomarkers such as anti-M & uuml;llerian hormone (AMH) and androgen levels are warranted to determine vasorin's diagnostic and prognostic utility in clinical practice.
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    Exploring the Inflammatory Basis of Endometrial Polyps: Clinical Implications of Hematological Biomarkers in a Retrospective Study
    (Mdpi, 2025) Keyif, Betul; Yavuzcan, Ali; Yurtcu, Engin; Basbug, Alper; Duzenli, Fatmanur; Keyif, Elif; Goynumer, Fikret Gokhan
    Background/Objectives: Endometrial polyps (EPs) are common benign endometrial lesions often linked to abnormal uterine bleeding and infertility. While hormonal factors play a key role in their development, recent studies suggest a potential inflammatory component. This retrospective study aimed to assess systemic inflammatory markers, including mean platelet volume (MPV), neutrophil-to-lymphocyte ratio (NLR), and platelet-to-lymphocyte ratio (PLR), in EP patients. Methods: A total of 180 patients were classified into three groups: EP (n = 60), chronic endometritis (n = 60), and control (n = 60). Preoperative hematological parameters were retrieved from medical records. Group comparisons were performed using one-way ANOVA, with Tukey's post hoc test applied when significant. Multinomial logistic regression was used to identify independent predictors of EPs. Results: MPV and PLR were significantly higher in the EP group compared to other groups (p = 0.014 and p = 0.015, respectively), while NLR differences were not statistically significant (p = 0.086). Logistic regression identified MPV (p = 0.004) and PLR (p = 0.045) as independent predictors of EPs. Conclusions: These findings suggest that systemic inflammation may contribute to EP development, with MPV and PLR serving as potential inflammatory biomarkers. Further prospective studies with histopathological validation are needed to clarify the role of inflammation in EP pathogenesis.
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    Predictive Value of Intrapartum Transperineal Ultrasonography in Determining Delivery Mode: A Prospective Study
    (Duzce Univ, Fac Medicine, 2025) Teberik, Ceren; Keyif, Betul; Yurtcu, Engin; Basbug, Alper; Goynumer, Fikret Gokhan
    Objective: This study aimed to evaluate the usefulness of intrapartum transperineal ultrasonographic (ITU) parameters in predicting delivery mode. Method: This prospective study included 104 pregnant women inAactive labor with ruptured membranes at D & uuml;zce University Health Application and Research Center from April 2023 to April 2024. ITU measured the angle of progression (AoP), head-perineum distance (HPD), and midline angle (MLA). These parameters were compared with digital vaginal examinations and delivery outcomes. Results: Of the participants, 93 (89.4%) had spontaneous vaginal deliveries (SVD), 6 (5.7%) had operative vaginal deliveries (OVD), and 5 (4.8%) had cesarean sections (C/S). AoP1 and AoP2 were significantly higher in the SVD group compared to OVD and C/S groups (p<0.001). The Delta AoP was significantly lower in the OVD group (p=0.044). HPD1 and HPD2 were significantly higher in the C/S group (p=0.031 and p=0.041, Arespectively). MLA1 and MLA2 were significantly lower in the SVD group (p=0.002 and p=0.001, Arespectively). Conclusions: ITU is a valuable tool in predicting delivery mode. AoP, HPD, and MLA measurements provide objective and reliable data to assist clinicians in labor management. Further research with larger sample sizes is needed to validate these findings and establish standardized protocols for clinical use.
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    Predictive Value of Volumetric Measurements of Fetal Adrenal Glands for Preterm Birth: A Case-Control Study
    (Imr Press, 2024) Basbug, Alper; Yurtcu, Engin; Keyif, Betul; Kaya, Aski Ellibes; Sungur, Mehmet Ali; Goynumer, Fikret Gokhan; Hatirnaz, Safak
    Background: To investigate whether fetal adrenal gland volume (AGV) and fetal zone volume (FZV), important components of the fetal adrenal gland, differ between women who have term and preterm births, and to determine whether these two parameters can be used to predict premature birth. Methods: A total of 238 pregnant women at 24-28 weeks of gestation were included in this case-control study. The fetal AGV and FZV were ultrasonographically evaluated, and corrected AGV (cAGV) and corrected FZV (cFZV) were assessed with adjustments for estimated birth weight. Receiver operating characteristic (ROC) curves were used to assess the ability of AGV, FZV, cAGV, and cFZV to predict preterm birth. Results: Ultrasound exams on 220 term fetuses and 18 preterm fetuses showed that preterm fetuses exhibited higher AGV (p = 0.039), FZV (p = 0.001), cAGV (p = 0.001), and cFVZ (p = 0.001) compared to term fetuses. Conclusions: These results demonstrated that term and preterm fetuses differ in their AGV and FZV within this study population. The data generated by 3D sonography between 24 and 28 weeks of gestation may be beneficial for predicting premature birth. However, larger prospective studies with a larger sample size of preterm births are needed to validate these findings.