Publications by authors named "Tayup Simsek"

POLE status determination is necessary for the molecular classification of endometrial carcinomas (EC). However, this determination is only achievable by molecular techniques, which are not available in many practice settings. A previously published study reported elevated AMF/GPI and AMFR/gp78 levels in POLE-mutant EC.

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Article Synopsis
  • This study explores factors influencing the recurrence of mucinous ovarian cancer through a sample of 44 patients assessed using statistical methods like logistic regressions and survival analysis.
  • Recurrence occurred in 20 patients, with significant findings that younger age, systemic lymphadenectomy, and lower rates of lymph node metastasis correlated with non-recurrence.
  • The study also highlighted that platinum resistance was more prevalent in patients who experienced recurrence, and the quality of tumor resection significantly affected recurrence odds.
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Objective: This study aimed to present our single-center clinical experience regarding tumor clinicopathologic features, treatment modalities, and reproductive and oncologic outcomes in patients with non-epithelial ovarian cancer (NEOC) over 25 years.

Materials And Methods: A total of 100 patients with clinicopathological diagnosis of NEOC who were treated at our tertiary care center between 1996 and 2022 were included in this retrospective cohort analysis study. Data on demographic, clinical and obstetric characteristics of patients at the time of initial diagnosis as well as tumor clinicopathologic features, treatment modalities, and oncological and reproductive outcomes were recorded.

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Objective: The aim of the present study is to evaluate the long-term outcomes in patients with early stage ovarian cancer undergoing fertility-sparing surgery.

Methods: The present study performed a retrospective analysis of recurrence, pregnancy and survival of a total of 66 patients who were diagnosed with early stage ovarian cancer (stage I) in XXX Faculty of Medicine Hospital between 2004 and 2019. Of these patients, 16 had undergone fertility-sparing surgery, and the remaining 50 patients had undergone radical surgery.

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Ovarian torsion refers to partial or complete rotation of the ovary on its ligamentous support, often resulting in partial or complete obstruction of its blood supply. It is one of the most common gynecologic surgical emergencies and may affect females of all ages, but it is relatively rare in postmenopausal women. Chronic adnexal torsion with complete occlusion of the ovarian blood supply results in necrosis and loss of ovarian function.

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Background: The study aims to evaluate the effect of parametrial dimensions on the prognosis of cases who underwent type 3 radical hysterectomy or radical trachelectomy in early-stage cervical cancer (stage I - IIa).

Methods: Medical reports of patients with early-stage cervical cancer who have undergone surgery between 1998 and 2020 in Akdeniz University Faculty of Medicine Gynecological Oncology Clinic were reviewed retrospectively. A total of 292 cases were identified and included in the study.

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Purpose: The present study aims to develop a new high-resolution imaging system for the early diagnosis of cervical neoplasia based on increased vessel density of the cervical tissue.

Methods: An optical device was developed to obtain high contrast and resolution images of vascular structures of the cervix in the present study. The device utilizes a telecentric lens to capture cervix images under light illumination with a wavelength of 550 nm emitted from LEDs.

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This study was conducted to compare the long-term oncological outcomes of laparotomy and laparoscopic surgeries in endometrial cancer under the light of the 2016 ESMO-ESGO-ESTRO risk classification system, with particular focus on the high-intermediate- and high-risk categories. Using multicentric databases between January 2005 and January 2016, disease-free and overall survivals of 2745 endometrial cancer cases were compared according to the surgery route (laparotomy vs. laparoscopy).

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Background: Uterine cervical cancer rates also increase with aging. Especially, the primary treatments of patients with cervical cancer include surgery, chemotherapy, and radiotherapy.

Aim: Our aim is to discuss the effect of clinical and histopathological risk factors on survival in patients over 65 years old with invasive cervical cancer in the light of the literature.

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Aim: To evaluate the clinicopathological features affecting the recurrence and survival of 9 cases of neuroendocrine cancer of the cervix.

Method: We retrospectively analyzed 9 cervical neuroendocrine cancer cases identified among 453 cervical cancer patients between 2004 and 2021 at Akdeniz University Gynecological Oncology Outpatient Clinic. Kaplan-Meier survival analysis was used for progression-free survival (PFS) and overall survival (OS).

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Purpose: The cost-effectiveness of bevacizumab has been the subject of debate, and we aimed to present our own retrospective data on its effect on survival in recurrent epithelial ovarian cancer.

Methods: Patients with recurrent ovarian, tubal and primary peritoneal cancer between October 2007 and June 2018 were grouped according to the platinum-free interval. The progression-free and overall survivals of the patients who had received chemotherapy only and chemotherapy with bevacizumab were calculated.

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Objective: In this study, we aimed to compare the clinical and pathological results of borderline ovarian tumor cases that were operated on in our clinic within the last 15 years and to investigate the factors affecting recurrence.

Materials And Methods: The archived files of the patients with borderline ovarian tumors, who had been operated on at the Akdeniz University Medical Faculty Gynecological Oncology Unit between 2006 and 2020 were retrospectively reviewed. A total of 48 cases were identified and included in the study.

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Cholesterol granuloma is a consequence of a chronic inflammatory reaction with accumulation of cholesterol crystals in the tissue. Ovarian cholesterol granuloma is rarely reported in the literature and can be misdiagnosed as ovarian cancer during surgery due to pelvic fibrosis and adhesion secondary to chronic inflammation, especially in postmenopausal women. We present a patient who had been referred to our gynecologic oncology clinic.

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It should be kept in mind that non-Hodgkin lymphoma may involve uterine cervix and a multidisciplinary approach should be adopted.

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Objectives: In this study, we aimed to evaluate the effect of systemic lymphadenectomy on overall and progression free survival in advanced stage of ovarian cancer.

Material And Methods: The data of ovarian cancer patients who had been admitted to our clinic between March 2008 and December 2019 were collected retrospectively. The patients who had received neo-adjuvant chemotherapy (NACT), those having undergone interval surgery, those who had non-epithelial ovarian cancer, those with residual tumour larger than 1 cm and those with stage I-IIA were excluded from the study.

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Background: Hidradenoma papilliferum is a rare benign neoplasm arising from apocrine glands. It occurs commonly on the anogenital region of middle-aged women. It usually presents as a slow growing, solitary asymptomatic, skin colored or red nodule less than 1 cm in diameter.

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Depending on the developing laparoscopic technique and experience, the treatment of cesarean scar choriocarcinoma can be safely performed laparoscopically by experts.

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Article Synopsis
  • - The study analyzed the clinicopathological features and survival rates of 302 women with uterine leiomyosarcoma (uLMS) across various stages, identifying key prognostic factors from treatments undergone between 1996-2018 in Turkey.
  • - Findings revealed that the 5-year disease-free survival (DFS) and overall survival (OS) rates were 42% and 54%, respectively, with factors like lymphovascular space invasion (LVSI) and nuclear atypia negatively impacting these rates.
  • - It was concluded that while lymphadenectomy improved DFS, it did not significantly affect OS, suggesting that LVSI and nuclear atypia are important prognostic indicators for patient outcomes in uLMS.
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Because of the accessory polar renal artery (APRA) is functional, it is extremely important to be careful with vascular injuries, to prevent ischemic damage and not to cause kidney failure complications.

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Objective: Prognostic factors associated with high-grade endometrial stromal sarcoma (HGESS) and undifferentiated uterine sarcoma (UUS) have not been distinctly determined due to the repetitive changes in the World Health Organization (WHO) classification. We aimed to compare clinicopathologic features and outcomes of patients with HGESS with those of patients with UUS.

Methods: A multi-institutional, retrospective, cohort study was conducted including 71 patients, who underwent surgery at 13 centers from 2008 to 2017.

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Article Synopsis
  • The study aimed to explore factors related to recurrence, death, and survival rates in patients with low-grade endometrial sarcoma (LGESS) after surgery.
  • It involved 124 patients, with most undergoing extensive surgeries; findings revealed some patients had lymph node metastasis, contributing to later disease recurrence or death.
  • Results indicated that while lymphadenectomy improved disease-free survival, chemotherapy had a negative impact on survival outcomes, especially in patients with more advanced stages (≥II) of the disease.
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Endometrial carcinoma is the most commonly encountered gynecological cancer in women worldwide and is also one of the popular models of the hormone-dependent carcinomas. This study was aimed to evaluate and compare the concentrations of five paraben molecules (methylparaben, ethylparaben, N-propylparaben, benzylparaben, isobutylparaben + N-butylparaben) in the endometrial and myometrial tissue samples of patients diagnosed with endometrial carcinoma and benign gynecologic diseases. A total of 88 patients were included in the study and chemical analysis was performed on 176 tissue samples.

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