Ufuk Atlıhan, Onur Yavuz, Hüseyin Aytuğ Avşar, Can Ata, Selçuk Erkılınç, Tevfik Berk Bildacı
{"title":"Vitamin D evaluation in adenomyosis: A retrospective cross-sectional study.","authors":"Ufuk Atlıhan, Onur Yavuz, Hüseyin Aytuğ Avşar, Can Ata, Selçuk Erkılınç, Tevfik Berk Bildacı","doi":"10.4274/tjod.galenos.2024.41662","DOIUrl":"10.4274/tjod.galenos.2024.41662","url":null,"abstract":"<p><strong>Objective: </strong>Adenomyosis is a chronic inflammatory illness that depends on estrogen. In addition to its immune regulatory effects in chronic diseases, vitamin D also plays roles in regulating normal cell growth. In the present study, the purpose was to evaluate the possible relationships between serum 25-OH vitamin D levels and clinical and laboratory parameters in patients who were histopathologically diagnosed with adenomyosis.</p><p><strong>Materials and methods: </strong>A total of 168 females with a history of hysterectomy between January 2019 and November 2022 who were histopathologically diagnosed with adenomyosis and 168 women who were not diagnosed with adenomyosis were retrospectively evaluated in the present study. Demographic, clinical, and laboratory data were recorded at the time of admission. Visual analogue scale (VAS) scores were calculated for each patient to evaluate the severity of dysmenorrhea.</p><p><strong>Results: </strong>There was a significant difference between the groups in terms of VAS: the adenomyosis group scored an average of 6, whereas the control group scored an average of 3 (p<0.001). The average platelet volume value of the patients was 8.6 fL in the adenomyosis group, and that of the control group was 7.2 fL, and it was detected to be significantly elevated in the adenomyosis group (p<0.001). The CA-125 value of the patients was 63.5 U/mL in the adenomyosis group, and that of the control group was 15.6 U/mL and it was detected to be significantly rised in the adenomyosis group (p<0.001). The 25-OH vitamin D level of the patients was 12.6 ng/mL in the adenomyosis group and that of the control group was 19.1 ng/mL and it was detected to be significantly elevated in the control group.</p><p><strong>Conclusion: </strong>The current investigation provides compelling evidence for the association between low vitamin D levels and adenomyosis, which agrees with other research in the field. The current study's findings agree with other research that suggests vitamin D regulates cellular and signaling networks, including those that control cytokines and gene expression during adenomyosis. However, further studies are needed because data assassing the therapeutic efficacy of vitamin D in adenomyosis are questionable.</p>","PeriodicalId":45340,"journal":{"name":"Turkish Journal of Obstetrics and Gynecology","volume":"21 2","pages":"98-103"},"PeriodicalIF":1.0,"publicationDate":"2024-06-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11589221/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141296997","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Effects of bazedoxifene on endometriosis in experimental animal models: A systematic review and meta-analysis.","authors":"Reza Hassanzadeh Makoui, Shiva Fekri, Negar Ansari, Masoud Hassanzadeh Makoui","doi":"10.4274/tjod.galenos.2024.82610","DOIUrl":"10.4274/tjod.galenos.2024.82610","url":null,"abstract":"<p><p>Endometriosis is a prevalent condition in women that causes pelvic pain and fertility issues due to the growth of endometrial tissue outside the uterus during menstrual cycles. Steroid hormones play a crucial role in the development and growth of endometriosis lesions; therefore, researchers have investigated several effective drugs that target hormones for treating this disease. One such drug is bazedoxifene, but despite several animal studies, there has yet to be a comprehensive evaluation of their combined results. A systematic search was conducted across several databases (Embase, PubMed, Scopus, and Web of Sciences) to identify studies investigating the effectiveness of bazedoxifene in animal models of endometriosis. Meta-analysis was performed using the size of endometriosis implants before and after drug administration in the case and control groups, along with the p-value of the associations. Begg's and Egger's tests were used to assess publication bias. This study included four eligible studies consisting of 45 endometrial animal models and 35 control subjects. The meta-analysis showed that bazedoxifene significantly reduced the size of endometriosis implants in animal models compared with the control group (odds ratio: 0.122, 95% confidence interval: 0.050-0.298, p<0.001). Detailed investigation determined that there was no significant heterogeneity between the studies (I2=38.81, and p-value of the Q test=0.179). However, according to Egger's test, the study showed publication bias (p=0.035). This study found that bazedoxifene is a promising treatment option for endometriosis in animal models. However, more research on animals and humans is required to confirm these results.</p>","PeriodicalId":45340,"journal":{"name":"Turkish Journal of Obstetrics and Gynecology","volume":"21 2","pages":"118-122"},"PeriodicalIF":1.0,"publicationDate":"2024-06-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11589230/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141296991","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Is there a relationship between the psychological state of infertile patient and ovarian reserve indicators?","authors":"Sakine Rahımlı Ocakoğlu, Zeliha Atak, Burak Akselim, Elif Öye, Murat Afşin Turhan, Büşra Başar Yılmaz, Emin Üstünyurt","doi":"10.4274/tjod.galenos.2024.04248","DOIUrl":"10.4274/tjod.galenos.2024.04248","url":null,"abstract":"<p><strong>Objective: </strong>This study explored the relationship between reduced ovarian reserve and the psychological state of infertile women.</p><p><strong>Materials and methods: </strong>This cross-sectional, single-center study was conducted with 106 infertile women. The Beck Depression Inventory (BDI) was used to assess patients' propensity for depression. The data relating to infertility, such as causes of infertility, type of infertility (primary or secondary), duration of infertility, and treatment status [previous assisted reproductive technologies (ART) treatment and ART treatment failure] were recorded for each patient. The ovarian reserve was determined using laboratory tests [anti-Mullerian hormone (AMH); follicle-stimulating hormone (FSH)] and transvaginal ultrasonography to measure the antral follicle count (AFC) in each ovary.</p><p><strong>Results: </strong>There was no significant relationship between the total score obtained from the Beck depression scale and AFC, AMH, thyroid-stimulating hormone, FSH, estradiol, and prolactin measurements (p>0.05). There was no significant difference between the groups regarding depression levels based on the cause of infertility (p=0.412). Additionally, the type of infertility (primary, secondary) did not differ between the groups (p=0.586). There were no differences on the BDI scale regarding the level of depression between patients who underwent in vitro fertilization (IVF) treatment (history of previous IVF treatment failure) and those who did not.</p><p><strong>Conclusion: </strong>There was no significant association between AFC and AMH levels and the depression state of infertile patients.</p>","PeriodicalId":45340,"journal":{"name":"Turkish Journal of Obstetrics and Gynecology","volume":"21 2","pages":"91-97"},"PeriodicalIF":1.0,"publicationDate":"2024-06-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11589226/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141296994","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Ceyda Karadağ, Mehmet Sakinci, Özer Birge, Mehmet Sait Bakır, Burak Karadağ, Saliha Sağnıç
{"title":"Comparison of metformin, myoinositol and metformin-myoinositol combined treatments for polycystic ovary syndrome.","authors":"Ceyda Karadağ, Mehmet Sakinci, Özer Birge, Mehmet Sait Bakır, Burak Karadağ, Saliha Sağnıç","doi":"10.4274/tjod.galenos.2024.21456","DOIUrl":"10.4274/tjod.galenos.2024.21456","url":null,"abstract":"<p><strong>Objective: </strong>The objective of this study was to assess the effectiveness of myoinositol (4 g myoinositol + 400 mcg folic acid/day) compared with metformin (average 1700 mg/day), as well as the combined efficacy of both treatments in managing insulin-resistant polycystic ovary syndrome (PCOS) among women.</p><p><strong>Materials and methods: </strong>We retrospectively analyzed the records of 68 reproductive-age PCOS patients with insulin resistance over a 3-month period. Oral glucose tolerance tests (OGTT) (75 gr) were conducted to measure glucose levels at 0 and 120 min. Moreover, changes in prolactin, thyroid stimulating hormone, high-density lipoprotein, low-density lipoprotein, triglyceride levels, total cholesterol, follicle-stimulating hormone, luteinizing hormone, total testosterone, free testosterone, and dehydroepiandrosterone sulfate (DHEA-S) levels were evaluated pre- and post-treatment over a 3-month period.</p><p><strong>Results: </strong>Statistically significant improvements were observed in menstrual regularity, body mass index (BMI), modified Ferriman Gallwey scores, OGTT glucose levels at 0 and 120 min, total testosterone, free testosterone, and DHEA-S levels across all groups (p<0.005).</p><p><strong>Conclusion: </strong>No significant variances were observed in terms of BMI, modified Ferriman Gallwey scores, or androgen levels across the three treatment cohorts. The combination of myoinositol and metformin did not confer additional benefits compared with either treatment alone.</p>","PeriodicalId":45340,"journal":{"name":"Turkish Journal of Obstetrics and Gynecology","volume":"21 2","pages":"78-84"},"PeriodicalIF":1.0,"publicationDate":"2024-06-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11589227/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141296987","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Correlation between the existence of serum autoantibodies and the risk of endometriosis: A systematic review and meta-analysis.","authors":"Shiva Fekri, Reza Hassanzadeh Makoui, Negar Ansari, Masoud Hassanzadeh Makoui","doi":"10.4274/tjod.galenos.2024.77489","DOIUrl":"10.4274/tjod.galenos.2024.77489","url":null,"abstract":"<p><p>Endometriosis is a common condition among women and can cause complications such as abdominal pain, dysmenorrhea, and infertility. One of the potential causes of this disease is autoimmunity. However, evidence regarding the role of autoimmunity is conflicting and inconclusive. The aim of this study was to investigate whether autoantibodies, a sign of autoimmunity, are present in people suffering from endometriosis. Relevant studies up to April 14, 2023 were identified by systematically searching Scopus, PubMed, Web of Science, Embase, and Google Scholar. This meta-analysis includes all qualified case-control studies of human populations that analyzed the association between serum autoantibodies and endometriosis. The odd ratios and 95% confidence intervals were calculated. In addition, heterogeneity and publication bias were examined, and subgroup analyses were performed based on region and target antigens. Forty-one studies were included, comparing 2,825 endometriosis patients with 4,158 healthy controls. The meta-analysis findings indicated a significant association between the presence of autoantibodies in the serum and an increased susceptibility to endometriosis (odds ratio: 4.242, confidence interval 95%: 3.824-4.706, p<0.001). In addition, there was a significant correlation between the presence of endometriosis and serum levels of anti-nuclear antibodies, B2 glycoprotein 1, CA125, carbonic anhydrase 1, cardiolipin, endometrial, laminin-1, smooth muscle, and syntaxin autoantibodies. Upon further analysis, it was found that the serum levels of these autoantibodies were higher in patients with endometriosis from North America than in those from other regions (p=0.001). The study revealed a significant correlation between serum autoantibodies and susceptibility to endometriosis, highlighting autoimmunity as a potential cause.</p>","PeriodicalId":45340,"journal":{"name":"Turkish Journal of Obstetrics and Gynecology","volume":"21 2","pages":"104-117"},"PeriodicalIF":1.0,"publicationDate":"2024-06-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11589223/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141296988","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Critical review of the SHAPE trial.","authors":"Polat Dursun, Murat Gültekin","doi":"10.4274/tjod.galenos.2024.67279","DOIUrl":"10.4274/tjod.galenos.2024.67279","url":null,"abstract":"","PeriodicalId":45340,"journal":{"name":"Turkish Journal of Obstetrics and Gynecology","volume":"21 2","pages":"131-132"},"PeriodicalIF":1.0,"publicationDate":"2024-06-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11589222/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141296989","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Mohammad Javad Fattahi, Mozhdeh Momtahan, Maryam Poostkar, Zahra Shiravani, Nasrollah Erfani, Mohammad Reza Haghshenas, Masoumeh Hashemi, Abbas Ghaderi, Ali Kashkooe
{"title":"Investigation of <i>PD-1</i> gene variants in patients with endometrial cancer: A case-control study.","authors":"Mohammad Javad Fattahi, Mozhdeh Momtahan, Maryam Poostkar, Zahra Shiravani, Nasrollah Erfani, Mohammad Reza Haghshenas, Masoumeh Hashemi, Abbas Ghaderi, Ali Kashkooe","doi":"10.4274/tjod.galenos.2024.71508","DOIUrl":"10.4274/tjod.galenos.2024.71508","url":null,"abstract":"<p><strong>Objective: </strong>To assess the possible association of two single-nucleotide polymorphisms (SNPs), PD-1.3 (+7146G/A) and PD-1.5 (+7785C/T), with endometrial cancer (EC) susceptibility. In addition, the correlations between these SNPs and available clinicopathologic characteristics of patients with EC were investigated.</p><p><strong>Materials and methods: </strong>In this case-control study, 147 women with pathologically confirmed EC and 258 age- and ethnically matched healthy women were enrolled between June 2019 and May 2022. Genomic DNA was extracted, and genotyping of PD-1.3 (+7146G/A) and PD-1.5 (+7785C/T) SNPs was performed. Haplotype analysis was also performed. Pearson's chi-square test with Yates correction was used to evaluate differences in allele and genotype distributions. The 95% confidence interval and odds ratio were determined using an unconditional logistic regression model.</p><p><strong>Results: </strong>There were no remarkable differences in the allele and genotype distributions of PD-1.3 (rs11568821) and PD-1.5 (rs2227981) between healthy controls and EC patients. However, there was a remarkable difference in the AC haplotype between the control and EC groups. No association was found between the investigated SNPs and the clinicopathologic features of EC.</p><p><strong>Conclusion: </strong>Our results indicated that the aforementioned SNPs were not related to the risk of EC in the southern Iranian population.</p>","PeriodicalId":45340,"journal":{"name":"Turkish Journal of Obstetrics and Gynecology","volume":"21 2","pages":"57-63"},"PeriodicalIF":1.0,"publicationDate":"2024-06-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11589220/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141296993","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Maaya Ono, Mayu Fukuda, Koji Yamanoi, Masumi Sunada, Sachiko Kitamura, Mana Taki, Akihito Horie, Ken Yamaguchi, Junzo Hamanishi, Masaki Mandai
{"title":"Clinical significance of initial symptoms in endometriosis-associated ovarian cancer.","authors":"Maaya Ono, Mayu Fukuda, Koji Yamanoi, Masumi Sunada, Sachiko Kitamura, Mana Taki, Akihito Horie, Ken Yamaguchi, Junzo Hamanishi, Masaki Mandai","doi":"10.4274/tjod.galenos.2024.59019","DOIUrl":"10.4274/tjod.galenos.2024.59019","url":null,"abstract":"<p><strong>Objective: </strong>Endometriosis is associated with various symptoms, but their severity varies from case to case. In this study, we investigated the reality of symptoms presented by patients with clinically early-stage endometriosis-associated ovarian cancer (EAOC) and explored the relationship between symptoms and laboratory/imaging findings, pathological findings, and prognosis.</p><p><strong>Materials and methods: </strong>This was a retrospective case-control study of patients who received initial surgical treatment and were diagnosed with clinically early-stage EAOC, including ovarian endometrioid carcinoma (OEC), ovarian clear cell carcinoma (OCCC), and seromucinous borderline tumor (SMBT). Patients with OEC/OCCC diagnosed between 2006 and 2016 and those with SMBT diagnosed between 2006 and 2020 were included. Chi-square and Kaplan-Meier estimates were used for statistical analyses.</p><p><strong>Results: </strong>One hundred-seven patients (OEC, n=31; OCCC, n=39; SMBT, n=37) were included. Fifty-nine (55.1%) patients presented with symptoms, and the proportion of patients with OEC who presented with symptoms was significantly higher than that of others (OEC, 77.4%; OCCC, 43.6%; SMBT, 48.6%). The details of symptoms differed significantly among the pathological types (lower abdominal pain/abdominal discomfort/abnormal bleeding, OEC: 11/8/9; OCCC: 6/12/1; SMBT: 15/5/3). Only in the OEC group did symptomatic patients show significantly higher white blood cell (WBC) count and neutrophil/lymphocyte (N/L) ratio (symptomatic vs. asymptomatic, median: WBC count: 7250 vs. 5000, p=0.008; N/L ratio: 4.6 vs. 1.7, p=0.013). None of the asymptomatic patients showed recurrence during follow-up.</p><p><strong>Conclusion: </strong>Patients with EAOC show varying symptoms depending on the histological type of the tumor. Laboratory findings underlying symptoms also vary by histopathological type, which may reflect differences in the carcinogenesis process.</p>","PeriodicalId":45340,"journal":{"name":"Turkish Journal of Obstetrics and Gynecology","volume":"21 1","pages":"28-36"},"PeriodicalIF":1.1,"publicationDate":"2024-03-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10920971/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140029251","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Effect of endometrial injury on pregnancy outcomes in infertile women undergoing intrauterine insemination.","authors":"Sedigheh Hosseinimousa, Somayeh Moradpanah, Marzieh Talebian, Reza Pourmahmoudian","doi":"10.4274/tjod.galenos.2024.60533","DOIUrl":"10.4274/tjod.galenos.2024.60533","url":null,"abstract":"<p><strong>Objective: </strong>One of the most common treatments for infertility is intrauterine insemination (II). The objective of this study was to determine the effect of endometrial injury on pregnancy outcomes in unexplained infertility in women undergoing II.</p><p><strong>Materials and methods: </strong>In this randomized clinical trial, 122 women with unexplained infertility who were referred to Shariati Hospital from 2018 to 2020 were enrolled. They underwent ovulation induction using letrozole and gonadotropins. On day 9 of stimulation, they were randomly assigned to two similar groups of the same size. The first group underwent endometrial local injury by pipelle endometrial sampling, and the second group (control group) received no intervention. Only 1 II cycle was performed for each patient. Patients with negative pregnancy outcomes were followed up for 3 months. Endometrial thickness, dominant follicle count, chemical and clinical pregnancy rate, miscarriage rate, and spontaneous pregnancy rate after the II cycle were compared between the two groups.</p><p><strong>Results: </strong>Endometrial thickness, dominant follicle count, chemical and clinical pregnancy rate, and miscarriage rate in the same II cycle were not different between the two groups (p>0.05). However, the spontaneous pregnancy rate after the II cycle was significantly higher in the endometrial injury group (p=0.02).</p><p><strong>Conclusion: </strong>Endometrial injury increases pregnancy rates in later cycles but not in the same II cycle.</p>","PeriodicalId":45340,"journal":{"name":"Turkish Journal of Obstetrics and Gynecology","volume":"21 1","pages":"1-6"},"PeriodicalIF":1.1,"publicationDate":"2024-03-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10920967/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140029252","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
İbrahim Taşkum, Muhammed Hanifi Bademkıran, Furkan Çetin, Seyhun Sucu, Erkan Yergin, Özcan Balat, Halil Özkaya, Evren Uzun
{"title":"A novel predictive model of lymphovascular space invasion in early-stage endometrial cancer.","authors":"İbrahim Taşkum, Muhammed Hanifi Bademkıran, Furkan Çetin, Seyhun Sucu, Erkan Yergin, Özcan Balat, Halil Özkaya, Evren Uzun","doi":"10.4274/tjod.galenos.2024.92597","DOIUrl":"10.4274/tjod.galenos.2024.92597","url":null,"abstract":"<p><strong>Objective: </strong>To predict lymphovascular space invasion (LVSI) positivity in early-stage (stage 1-2) endometrial cancer (EC) using a predictive model with prognostic factors of EC.</p><p><strong>Materials and methods: </strong>We included 461 patients who underwent total hysterectomy and bilateral salpingo-oophorectomy with pelvic-paraaortic lymphadenectomy as the primary treatment for presumed early-stage EC at our clinic between 2010 and 2020. Moreover, all surgical specimens were examined histopathologically for the positivity or negativity of LVSI, and the patients were divided into two groups based on these pathologic outcomes. Age, menopausal status, histological type (type 1-2), histological grade (grades 1-2-3), depth of myometrial invasion, and peritoneal cytology results were recorded and analyzed as clinicopathological and demographic characteristics of the patients. The Loess algorithm determined the relationship between the observed and predicted outcomes. The distinction between the algorithms was evaluated by calculating the C-index.</p><p><strong>Results: </strong>LVSI positivity was significantly associated with advanced age, menopause, type 2 EC, advanced histological grade, malignant peritoneal cytology, cervical involvement, and a tumor exceeding 50% of the myometrial depth (p<0.001, respectively). Remarkably, LVSI was most strongly associated with three explanatory variables: 1- More than 50% myometrial invasion [odds ratio (OR): 3.78; 95% confidence interval (CI): 1.80-7.60], 2- Advanced histological grade [OR=1.98 (1.20-3.20) 95% CI], 3- Malignant peritoneal cytology [OR= 3.06 (1.40-6.30) 95% CI]. The penalized maximum likelihood estimation model correctly classified 87% of the included patients (C-index: 0.876).</p><p><strong>Conclusion: </strong>Our predictive model may help predict LVSI based on different prognostic factors. The prognostic factors included in the nomogram were significantly associated with LVSI, particularly myometrial invasion depth of more than 50%, advanced histological grade, and malignant peritoneal cytology.</p>","PeriodicalId":45340,"journal":{"name":"Turkish Journal of Obstetrics and Gynecology","volume":"21 1","pages":"37-42"},"PeriodicalIF":1.1,"publicationDate":"2024-03-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10920972/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140029250","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}