MCBÜ Açıkerişim Sistemi :: Browsing by Author "Yildirim, Y"

Browsing by Author "Yildirim, Y"

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Relationship of sexuality with psychological and hormonal features in the menopausal period
Danaci, AE; Oruç, S; Adigüzel, H; Yildirim, Y; Aydemir, Ö
Women may experience some mental and sexual problems between the ages of 40 years and 60 years due to serious changes in the hormonal system. The aim of this study was to examine the relationships between the changes in sex hormones, sexual behaviours, depression and anxiety levels of women who were in either the premenopausal, perimenopausal or postmenopausal period The subjects of this cross-sectional study consisted of 324 women who attended the Gynaecology and Obstetrics Out-Patient Ward of Celal Bayar University Hospital. Of this group, 37.0% (n = 124) were postmenopausal, 27.2% (n = 84) perimenopausal and 35.8% (n = 116) premenopausal. Beck Depression Inventory (BDI), State and Trait Anxiety Inventories (STAI-I and II) and a questionnaire on sexual behaviour which was prepared for this study by the authors, were applied to all of the attendees and serum sex hormone levels were analyzed Beck Depression Anxiety, STAI-I and STAI-II scores and sexual behaviours did not show any statistically significant difference among these three groups. The frequency of sexual intercourse was lower in women with high BDI scores. The rate of painful intercourse was higher in women with high STAI-I scores. The frequency of sexual intercourse, sexual desire and orgasm decreased and painful intercourse increased in women with high STAI-Il scores. The frequency of sexual intercourse decreased significantly as the age or follicle stimulating hormone level of women increased These findings have revealed that the menopausal state did not affect the sexual behaviour, and psychological state of women between the ages of 40 and 60 years, but the increase in anxiety and depression scores affected the sexual life in a negative manner.
Preparation and characterization of novel boron containing nanocomposites with neutron radiation shielding properties
Saltan, F; Sirin, K; Aydin, S; Yildirim, Y
PVA/PEO/PVP-B4C and PVA/PEO/PVP-BN polymer nanocomposites were prepared using boron nitrite (BN), boron carbide (B4C), polyvinyl alcohol (PVA), polyvinylpyrrolidone (PVP), and polyethylene oxide (PEO). B4C and BN nanopowders were added to the mixture at three different percentages: 5%, 10%, and 20%. Thermal characterization was performed by differential scanning calorimetry, differential thermal analysis and thermogravimetry. Scanning electron microscopy, X-ray photoelectron spectroscopy, and X-ray diffraction were used for surface analysis and crystal structure characterization. The atomic distribution was determined by elemental analysis. Neutron shielding properties were performed at three different gamma peak areas, 1293.56 keV, 1097.33 keV, 416.86 keV, and calculated total macroscopic cross -section S-T and half-value layer. The S-T values were found to be in the range of 7.99-14.37 for all synthesized composites. B4C-doped composites show higher protection efficiency against slow thermal neutrons than BN-doped samples.
Immunolocalization of ERK1/2 and p-AKT in normal endometrium, endometrial hyperplasia, and early and advanced stage endometrioid endometrial adenocancer and their prognostic significance in malignant group
Gungorduk, K; Ertas, IE; Sahbaz, A; Ozvural, S; Sarica, Y; Ozdemir, A; Sayhan, S; Gokcu, M; Yilmaz, B; Sanci, M; Inan, S; Harma, M; Yildirim, Y
Objective: To analyze the expression patterns of extracellular signal-regulated kinase (ERK1/2) and phosphorylated (p)-AKT in the tissues of non-pathologic endometrium, endometrial hyperplasia, and early and advanced stage endometrioid endometrial adenocancer using indirect immunohistochemistry, and also to investigate the effect of ERK1/2 and p-ART expression patterns on prognosis in endometrioid adenocancer. Study design: Immunolocalization of ERK1/2 and p-Ala was examined in six different types of endometrial tissues: proliferative endometrium (PE; n = 10, 11.2%), secretuar endometrium (SE; n = 10, 11.2%), simple hyperplasia (SH; n = 15,16.9%), complex hyperplasia (CH; n=3, 3.4%) and atypical complex hyperplasia (ACH; n = 10, 11.2%), which were obtained from endometrial biopsies, curettage materials, and hysterectomy specimens and classified as the benign group; and both early stage endometrioid (n = 21, 23.6%) and advanced stage endometrioid adenocancer (AC; n=20, 22.5%), which were obtained from complete surgical staging materials and classified as the malignant group. All specimens were fixed in 10% formalin and processed using routine paraffin protocols. Immunostaining intensities were evaluated as negative or weak (assigned as low expression) and moderate or strong (assigned as high expression). Results: In the malignant group, 23 of 41 patients (56.1%) had high ERK1/2 and p-AKT expression, whereas only three of 48 patients in the benign group (6.3%) had high ERK1/2 and p-ART expression (P < 0.0001 and P < 0.0001, respectively), p-ART expression was significantly higher in women with positive lymph nodes (OR 9.0; 95% CI: 1.2-100.0; P = 0.03). Higher expression of p-Ala was significantly associated with poor progression-free survival (PFS) and overall survival (OS). In contrast, ERK1/2 expression was not associated with PFS or OS. Conclusions ERK1/2 and p-ART can be useful in the differential diagnosis of benign vs. malignant endometrial lesions, as well as early vs. advanced stage endometrioid endometrial adenocancer. Additionally, higher p-ART expression could be used as a marker of poor prognosis in the management of patients with endometrioid endometrial adenocancer. (C) 2014 Elsevier Ireland Ltd. All rights reserved.
Comparison of the radiopharmaceutical potentials of dithizone radiolabeled with 131I and with 99mTc
Ünak, T; Yildirim, Y; Avcibasi, U; Biber, Z; Duman, Y; Ünak, P
In this study, dithizone (diphenylthiocarbazone) has been separately radiolabeled with I-131 and with Tc-99m for preliminarily testing their radiopharmaceutical potentials on male albino rabbits. I-131-dithizone and Tc-99m-dithizone were intravenously injected to rabbits via their ear veins after anesthetizing with a mixture of Alfazyne and Alfamine (Serva) to determine their dynamic and static statuses in the metabolism. Also, Tc-99m as pertechnetate and I-131 as iodate were administered to rabbits as controls. Dynamic and static scintigrams were obtained using a gamma camera (Diacan Instruments). Dynamic scintigrams were obtained over the first half hour with frames of 1 minute following the administrations of the labeled compounds. Static images were obtained from posterior projection at different time intervals up to about 3 hours following the administration of the radiolabeled compounds. Tc-99m-dithizone was significantly uptaken by the pancreas in contrast to free Tc-99m. In the case of I-131-dithizone, the distribution of I-131 activity in the metabolism was clearly different than the case of free (131)stopI and the uptake of I-131-dithizone at the pancreas zone was also significant. These preliminary tests have clearly indicated that especially Tc-99m-dithizone has a significant potential to be used as a pancreatic radiopharmaceutical.
The effects of hormone replacement therapy on serum leptin, IGF-1 and IGFBP-3 levels in postmenopausal women
Uyanik, BS; Var, A; Koyuncu, F; Ari, Z; Onur, E; Yildirim, Y; Bülbül, Y
Evaluation of quality of life in primiparae women with striae gravidarum: A cross-sectional study
Gencoglan, G; Goker, A; Yildirim, Y; Yanikkerem, E; Ermertcan, A
Immunolocalization of transforming growth factor-β3 in pregnant human myometrium -: Possible associations with labor
Kuscu, NK; Lacin, S; Vatansever, S; Yildirim, Y; Var, A; Uyanik, BS; Koyuncu, F
Background Transforming growth factor-beta3 is a cytokine which is involved in cell growth regulation and differentiation, stimulation of extracellular matrix and modulation of immune responses. The goal of this study was to detect the presence of this cytokine in the myometrium of preterm and term, nonlaboring and laboring patients, and to measure serum levels of interleukin-1beta (IL-1beta), IL-6 and IL-8 before cesarean section. Methods. In this prospective study, we obtained samples of myometrium from the lower uterine segment during elective and emergency cesarean sections (term non-laboring, n=8; term laboring, n=7; preterm non-laboring, n=3, and preterm laboring, n=19) and stained for transforming growth factor-beta3. Blood was also sampled from the same patients to determine IL-1beta, IL-6 and IL-8 levels. Results. Different intensities of staining were detected in preterm laboring, term nonlaboring and term laboring groups, but there was no staining in preterm nonlaboring group. We also found a statistically significant difference in IL-6 levels between laboring and nonlaboring groups (p=0.028). Conclusion. Different intensities of TGF-beta3 which appeared in different stages of myometrium made us consider that TGF-beta3 might prepare myometrium to labor, and IL-6 was more important than the other interleukins in initiation of labor.
Chronic Cervical Perforation by an Intrauterine Device
Koltan, SO; Tamay, AG; Yildirim, Y
The intrauterine device (IUD) is a widely used, highly effective method of birth control. Uterine perforation is a rare yet serious complication and is usually seen during insertion of the IUD. A regular examination is necessary for follow-up. We present a patient with an IUD that had perforated the cervix. The diagnosis was made during routine gynecological examination, and the patient was treated in a timely manner before any complications such as ectopic pregnancy, intrauterine pregnancy, infection or irreversible harm to the cervix arose. This case stresses the importance of regular visits to maintain health and diagnose possible adverse effects of intrauterine contraceptive methods. [J Chin Med Assoc 2010;73(6):325-326]
MANAGEMENT OF ECTOPIC PREGNANCY: A RETROSPECTIVE ANALYSIS OF 74 CASES
Tamay, AG; Yildirim, Y; Koltan, SO; Adiyeke, M; Koyuncu, FM
Objective: To analyse different management strategies of ectopic pregnancy and their effectiveness retrospectively. Materials and methods: Seventy four patients with a diagnosis of ectopic pregnancy who applied to Celal Bayar University Obstetrics and Gynecology Department between November 2006 - July 2009 have been evaluated. Results: Forty four patients with a diagnosis of ectopic pregnancy have received methotrexate therapy, 23 patients were surgically treated and 7 patients were managed expectantly. The success rate of methotrexate was found to be 90.9% and indications for surgery were rupture and cornual pregnancy. Conclusion: Early diagnosis of ectopic pregnancy is important for the prevention of morbidity and mortality. Methotrexate treatment, surgical intervention or expectant management prove successful in correctly chosen patients with low complication rates.
Cancer Stem Cell and Embryonic Development-Associated Molecules Contribute to Prognostic Significance in Ovarian Cancer
Oktem, G; Sanci, M; Bilir, A; Yildirim, Y; Kececi, SD; Ayla, S; Inan, S
Objectives: Embryonic molecules and cancer stem cell signaling resemble each other, and they organize cancer modality. We hypothesized that similar immunohistochemical expressions between tumor spheroids and patients' samples compared with clinical relevance would give an important clue in patients' prognosis. Methods: Immunohistochemical expression of c-kit, Notch1, Jagged1, and Delta1 in 50 cases of primary ovarian tumors (10 endometrioid, 10 serous, 10 mucinous adenocarcinoma, 10 borderline serous, and 10 borderline mucinous tumors) and MDAH-2774 spheroids were investigated. Results were compared in both spheroids and tumor samples with morphologic parameters (histological grade) and clinical data (age, stage, tumor size, and metastasis). Results: High c-kit and Notch1 immunoreactivity was shown in spheroids, but interestingly immunoreactivity of these molecules in tumor samples was different from patients' clinicopathological characteristics. In serous carcinoma, metastasis correlated with Notch1 immunoexpression; in mucinous carcinoma, Jagged1 immunohistochemistry correlated with grade, stage, and metastasis of tumor; in borderline serous and mucinous tumors, Jagged1 correlated with high grade. Moreover, Jagged1 correlated with stage and Notch1 with size in borderline mucinous tumor. Endometrioid carcinoma statistics showed that there was a correlation between age and Notch1 expression. Conclusion: Notch1, Jagged1, and Delta1 expressions might be useful markers for clinical prognosis of ovarian carcinomas; and Notch pathway, one of the most intensively studied putative therapeutic targets, may be a useful marker for cancer. Consequently, Jagged1 could be a marker for tumor grades and Notch1 as a marker for metastases.
Thymoquinone Glucuronide Conjugated Magnetic Nanoparticle for Bimodal Imaging and Treatment of Cancer as a Novel Theranostic Platform
Ince, I; Müftüler, ZB; Medine, EI; Güldü, ÖK; Takan, G; Ergönül, A; Parlak, Y; Yildirim, Y; Çakar, B; Bilgin, ES; Aras, Ö; Göker, E; Ünak, P
Background: Theranostic oncology combines therapy and diagnosis and is a new field of medicine that specifically targets the disease by using targeted molecules to destroy the cancerous cells without damaging the surrounding healthy tissues. Objective: We aimed to develop a tool that exploits enzymatic TQ release from glucuronide (G) for the imaging and treatment of lung cancer. We added magnetic nanoparticles (MNP) to enable magnetic hyperthermia and MRI, as well as 131I to enable SPECT imaging and radionuclide therapy. Methods: A glucuronide derivative of thymoquinone (TQG) was enzymatically synthesized and conjugated with the synthesized MNP and then radioiodinated with 131I. New Zealand white rabbits were used in SPECT and MRI studies, while tumor modeling studies were performed on 6-7-week-old nude mice utilized with bioluminescence imaging. Results: Fourier-transform infrared spectroscopy (FTIR) and nuclear magnetic resonance (NMR) spectra confirmed the expected structures of TQG. The dimensions of nanoparticles were below 10 nm and they had rather polyhedral shapes. Nanoparticles were radioiodinated with 131I with over 95% yield. In imaging studies, in xenograft models, tumor volume was significantly reduced in TQGMNP-treated mice but not in non-treated mice. Among mice treated intravenously with TQGMNP, xenograft tumor models disappeared after 10 and 15 days, respectively. Conclusion: Our findings suggest that TQGMNP in solid, semi-solid and liquid formulations can be developed using different radiolabeling nuclides for applications in multimodality imaging (SPECT and MRI). By altering the characteristics of radionuclides, TQGMNP may ultimately be used not only for diagnosis but also for the treatment of various cancers as an in vitro diagnostic kit for the diagnosis of beta glucuronidase-rich cancers.
Preliminary tests of the radiopharmaceutical potential of N-(2,6-diisopropylphenyl)-N'-(4-pyridyl)-perylene-3,4,9,10-tetracarboxylic diimide radiolabeled with 131I
Avcibasi, U; Dinçalp, H; Ünak, T; Yildirim, Y; Avcibasi, N; Duman, Y; Içli, S
Perylene diimide derivatives are one of the G-quadruplex DNA interactive agents which are thought to be useful in application of cancer treatment Starting from this consideration, N-(2,6-diisopropylphenyl)-N'-(4-pyridyl)-perylene-3,4,9,10-tetracarboxylic diimide (PYPER) was synthesized, radioiodinated with I-131, and its radiopharmaceutical potentials were tested on a male Albino rabbit and male Albino Wistar rats. This compound was successfully radioiodinated with I-131 with a radioiodination yield of about 100%. Scintigraphic imaging with the radiiodinated compound (I-131-PYPER) was performed on a rabbit. Static images were obtained from posterior projection using a Diacan gamma camera at several time intervals. The scintigrams clearly showed that the radioiodinated compound was not quickly cleared from the metabolism, accumulating in the stomach over about 30 minutes. The clearance time of this compound was considerably longer than 5 hours. The results obtained in this study agreed with that of the biodistribution studies and indicated that I-131-PYPER might be used as a scintigraphic agent for examining stomach diseases.
Isotopic dilution analysis of zinc in some tissue samples of urogenital systems of rats using 65Zn
Ünak, T; Çal, Ç; Yildirim, Y; Avcibasi, U; Ünak, G
Zinc plays an important role in prostate functions. For this reason, in this study some rats have been nourished with foods containing different zinc levels and some tissue samples removed at different intervals of time from their prostate, testis, and seminal vesicle. The zinc contents of these samples have been determined using the isotopic dilution analysis technique applied with Zn-65. In this way, the zinc contents of tissues varying between 0.02-4.50 mu g Zn/g wet tissue could be determined with good precision. As a result, the zinc content of the prostate was found to be considerably high with respect to the zinc contents of the testis and the seminal vesicle. It is also interesting to note that a high zinc level in foods results in the accumulation of zinc in the prostate rather than in the testis and the seminal vesicle. The zinc content of the seminal vesicle decreases with a function of time passed from the beginning of the diet which contrasts with the case of prostate. It is also very remarkable that when the level of zinc in the body is low, the content of zinc in the testis is considerably higher.
Evaluation of the effects of gonadotropin-relasing hormone antagonist (GnRH-ant) and agonist (GnRH-a) in the prevention of postoperative adhesion formation in a rat model with immunohistochemical analysis
Tamay, AG; Guvenal, T; Micili, SC; Yildirim, Y; Ozogul, C; Koyuncu, FM; Koltan, SO
Objective: To investigate the effects of GnRH antagonist (GnRH-ant) and agonist (GnRH-a) in the prevention of postoperative pelvic adhesions by a visual scoring system and immunohistochemical methods in a rat uterine horn model. Design: Controlled experimental animal study. Setting: Animal laboratory at an academic research environment. Animal(s): Twenty-one Wistar albino rats. Intervention(s): Rats were randomized into three groups. One week before the operation the rats received either GnRH-ant or GnRH-a or saline solution; they then underwent surgical laparotomy, and both uterine horns were traumatized by a scalpel. Three weeks later, all rats were sacrificed and extension and severity of the adhesions in each group were scored by a visual scoring system. Adhesion tissues were evaluated immunohistochemically for vitronectin and u-PAR. Main Outcome Measure(s): Scores of extend and severity of adhesions and staining of vitronectin and u-PAR. Result(s): The extent of adhesion scores were 1.85 +/- 0.86, 0.78 +/- 1.05, and 0.42 +/- 0.64, and the severity of adhesion scores were 1.71 +/- 0.91, 0.57 +/- 0.85, 0.50 +/- 0.75 for control, GnRH-ant, and GnRH-a groups, respectively. The extent and severity of adhesions were significantly lower in both GnRH-ant and GnRH-a groups when compared with the control group. Adhesion extent scores in the GnRH-a group were lower than in the GnRHant group, but this difference was not significant. vitronectin and u-PAR staining were significantly greater in both the GnRH-ant and GnRH-a groups than in the control group. Conclusion(s): GnRH-ant as well as GnRH-a reduced postoperative adhesion formation in a rat model. This finding was supported immunohistochemically by vitronectin and u-PAR staining. (Fertil Steril (R) 2011; 96: 1230-3. (C) 2011 by American Society for Reproductive Medicine.)
Boron containing polyvinyl alcohol/polyethylene oxide/polyvinyl pyrrolidone composites: Preparation, characterization, gamma radiation shielding and gamma radiation effect on it's thermal properties
Saltan, F; Sirin, K; Aydin, S; Tasköprü, C; Yildirim, Y
The production of PVA/PEO/PVP-B4C and PVA/PEO/PVP-BN nanocomposites is presented in this study by adding certain proportions of boron nitride (BN) and boron carbide (B4C) to the polyvinyl alcohol(PVA)/polyethylene Oxide (PEO)/polyvinyl pyrrolidone (PVP) blend. The percentages of BN and B4C nano powder in the PVA/PEO/PVP blend have been determined as 5%, 10% and 20%. Thermal characterizations were carried out with different techniques such as Differential scanning calorimetry (DSC), Differential Thermal Analysis (DTA), Thermogravimetry (TG). Surface, crystal structure and atomic percentage distribution analyzes of the obtained composites were performed by X-ray Photoelectron Spectroscopy (XPS), X-Ray Diffraction Analysis (XRD), Scanning Electron Microscopy-Energy Dispersive X-Ray (SEM-EDX), and elemental analysis. 10 kGy gamma irradiation was performed on PVA/PEO/PVP-B4C and PVA/PEO/PVP-BN composites. The thermal behavior of the composites at this dose level was investigated. In addition, the radiation shielding properties of composite films obtained at 10 cm distances using Am-241 beam source were examined.
Evaluation of 2015-2016 MOTAKK HBV DNA and HCV RNA External Quality Assessment National Program Results
Karatayli, E; Soydemir, E; Aksoy, ZB; Kizilpinar, M; Altay Koçak, A; Karatayli, SC; Yurdcu, E; Yildirim, U; Güriz, H; Bozdayi, G; Yurdaydin, C; Ilhan, O; Yildirim, Y; Bozdayi, AM; Oguz, AY; Baris, A; Alp, A; Aksözek, A; Sayiner, A; Karagul, A; Ordu, A; Istanbullu, A; Otlu, B; Aridogan, B; Aksu, B; Buruk, CK; Karahan, C; Güney, Ç; Toksöz, D; Yildirim, D; Çolak, D; Daglar, DE; Findik, D; Kas, E; Çaliskan, E; Zeyrek, FY; Arslan, F; Demir, F; Milletli, F; Kibar, F; Özdinçer, F; Dündar, G; Arslan, H; Agca, H; Aliskan, HE; Güdücüoglu, H; Fidan, I; Akyar, I; Afsar, I; Kaleli, I; Dönmez, I; Yanik, K; Midilli, K; Çubukçu, K; Özdemir, M; Acar, M; Yalinay, M; Kuskucu, MA; Bakici, MZ; Aydin, N; Yilmaz, N; Çeken, N; Ziyade, N; Yilmaz, N; Özgümüs, OB; Gitmisoglu, Ö; Demirgan, R; Kesli, R; Güçkan, R; Sertöz, R; Akgün, S; Aksaray, S; Tezcan, S; Kaygusuz, S; Gökahmetoglu, S; Mese, S; Bayik, SA; Akçali, S; Gürcan, S; Karsligil, T; Us, T; Özekinci, T; Pilgir, T; Aslan, U; Dinç, U; Coskun, USS; Çetinkol, Y; Keskin, Y; Ayaydin, Z; Toraman, ZA
MOTAKK, as a national external quality control program has been launched to evaluate the molecular detection of viral infections including HBV DNA and HCV RNA in molecular microbiology diagnostic laboratories in Turkey. This program is prepared in compliance with ISO 17043:2010 (Conformity assessment general requirements for proficiency testing) standards, and aims to take the place of external quality control programs from abroad, contributing to standardization and accuracy of molecular diagnostic tests in our country. The aim of this study was to evaluate 2015 and 2016 results of the MOTAKK External Quality Control Program for HBV DNA and HCV RNA viral load. The calls were announced on the web page of MOTAKK (www.motakk.org). The quality control samples were sent to participating laboratories in 2015 and 2016. Main stocks were prepared from patients with chronic hepatitis B and C who had viral load detection with reference methods according to WHO reference materials for viral load studies to improve quality control sera. From these main stocks, samples with different viral loads were prepared from dilutions of plasma with HBV, HCV, HAV, HIV, Parvovirus B19 and CMV negative serologic markers. Quality control samples were sent to the participating laboratories along with the negative samples in the cold chain. The laboratories accomplished the related tests within 2-3 weeks and entered their results on the MOTAKK web page. These results were analysed according to ISO 13528 (Statistical methods for use in proficiency testing by interlaboratory comparison) and scoring reports were created by a software developed by MOTAKK and sent to participating labs. Each laboratory evaluated their own results in comparison with the other laboratory results, reassessed the tests via observing the distance from the mean result and the reference values. The number of laboratories participating in the HBV DNA and HCV RNA external quality control program was 70-73 in 2015-2016. Participants were able to comply with the program tools, registering, entering results and receiving the results reports problem. In HBV panel, 72.6-89.1% and 84.7-90.3% of the participant laboratories were in 1 standard deviation (SD) in 2015-2016, respectively. In HCV panel, 70.8-89.1% and 84.7-90.3% of the participant laboratories were in 1 SD in 2015-2016, respectively. A national external quality control program for HBV DNA and HCV RNA in Turkey has been prepared for the first time with this project and implemented successfully. All the data provided in the MOTAKK external quality control program final report, compensate all the data provided by the quality control program final reports from abroad; additionally, the report allows comparison of used technologies and commercial products.
A Turkish Gynecologic Oncology Group study of fertility-sparing treatment for early-stage endometrial cancer
Dursun, P; Erkanli, S; Güzel, AB; Gultekin, M; Tarhan, NC; Altundag, O; Demirkiran, F; Bese, T; Yildirim, Y; Bozdag, G; Yarali, H; Simsek, T; Ozcelik, B; Ortaç, F; Taskin, S; Guvenal, T; Ozgul, N; Haberal, A; Vardar, MA; Dede, M; Yenen, M; Altintas, A; Arvas, M; Ayhan, A
Objective: To analyze the results of fertility-sparing treatment of early-stage endometrial cancer (EC) in patients treated at Turkish gynecologic oncology centers, and to present a review of the literature. Methods: Thirteen healthcare centers in Turkey were contacted to determine if they were eligible to participate in the study. Centers that were eligible and agreed to participate were sent a database form to record the demographic characteristics, clinicopathologic findings, and follow-up results for their EC patients. Results: Eleven Turkish healthcare centers provided data on 43 EC patients. Mean duration of treatment was 5 months and mean follow-up was 49 months. In total, 35 (81.4%) patients were tumor free following primary progesterone therapy. Mean time from the end of progesterone therapy to pregnancy was 10.6 +/- 4.3 months (range, 3-18 months). Two patients had tumor recurrence during follow-up. The pregnancy rate among the 31 women who actively sought pregnancy was 41.9% (n = 13). Conclusion: Conservative management of early-stage EC in women of reproductive age using oral progestins was effective and did not compromise oncological outcome. Pregnancy in the study patients was achieved spontaneously and artificially. (C) 2012 International Federation of Gynecology and Obstetrics. Published by Elsevier Ireland Ltd. All rights reserved.

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