Publications by authors named "Levent Akman"

Aims: Our research aims to shed light on the connection between histopathological differences that affect the prognosis of endometrial cancer and Doppler indices measured in the uterine arteries.

Methods: Seventy-four women with a confirmed diagnosis of endometrial cancer participated in this prospective study. The flow characteristics of the bilateral uterine arteries were evaluated and recorded using color Doppler sonography.

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Objective: Our primary aim in this study is to define the clinical characteristics of patients with clear-cell ovarian carcinoma and evaluate the prognostic factors affecting survival.

Study Design: Records of 85 patients, operated between 2000 and 2018, for an adnexal mass and whose final pathology reported clear cell ovarian carcinoma were reviewed. The study considered demographic data, clinical characteristics of the patients, as well as pure and mixed-type clear cell histology.

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Objectives: Endometrial cancer (EC) is the most commonly diagnosed gynecological cancer. Endometrial hyperplasia (EH) is a more common diagnosis than EC. Endometrial hyperplasia is found in approximately 1.

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Article Synopsis
  • Obesity is linked to higher mortality rates in ovarian cancer, with leptin, a hormone produced by fat tissue, playing a significant role in cancer development.
  • The study explored how varying levels of leptin influence the growth of ovarian cancer cells (specifically OVCAR-3 and MDAH-2774), assessing cell viability and cytokine expression changes.
  • Results showed that leptin promotes cell proliferation in both cancer lines, affecting various cytokines differently; for instance, IL-1 levels increased in OVCAR-3, while TGF-β increased in MDAH-2774 after leptin treatment.
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Background: Polycystic ovary syndrome (PCOS) is a metabolic disease that causes infertility due to anovulation in women in reproductive age. It is known that clomiphene citrate (CC) and tamoxifen citrate (TMX) induce ovulation in women with PCOS. In this study, we aimed to investigate the effects of CC and TMX on the autophagy pathway in PCOS.

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The aim of this study was to investigate T-cell receptor (TCR) changes in ovarian carcinoma (OC). The study included 24 malignant and 23 benign adnexal masses. DNA was isolated from ovarian samples.

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Granulocyte colony-stimulating factor (G-CSF) is a glycoprotein commonly used in the field of medicine to treat neutropenia. Granulocyte colony-stimulating factor has also crucial roles in ameliorating the ischemia/reperfusion (I/R) injury in particular tissues. In this study, we aimed to investigate the protective effect of G-CSF on ovarian damage in experimental ovarian I/R injury.

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Purpose: The aim of this study is to investigate effects of exenatide (Glucagon-Like Peptide Agonist) replacement on bone mineral density (BMD) and microarchitecture in a surgical menopause-induced osteoporosis model in rats.

Methods: In this study, 24 female Sprague-Dawley albino mature rats were used. Rats were assigned either to the group ovariectomized administered exenatide or to the control group.

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Background/aim: The purpose of this study was to prove the effect of complete surgical staging of patients with mucinous borderline ovarian tumors (mBOTs) especially appendectomy on progression-free survival (PFS) and overall survival (OS).

Patients And Methods: The database of 14 gynecological oncology departments from Turkey and Germany were comprehensively searched for women who underwent primary surgery for an ovarian tumor between January 1, 1998, and December 31, 2015, and whose final diagnosis was mBOT.

Results: A total of 364 patients with mBOT with a median age of 43.

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Background: Research on treatment alternatives that improve wound healing is an ever-evolving area in medicine, and a wound healing agent that carries minimal pain, discomfort, and scarring for patients with burn wounds, venous and decubitis ulcers, traumatic wounds, and many others is needed. The phases of wound healing include homeostasis, inflammation, migration, proliferation, and maturation. Adeps suillus (axonge) is known as a therapeutic agent for skin diseases and mainly consists of triglycerides.

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Objective: The aim of this study is to evaluate the impact of lymphocyte infiltration on prognostic parameters, recurrence and survival in ovarian cancer.

Study Design: Sixty-two patients who were primarily operated for epithelial ovarian carcinoma between 1997 and 2008 were included. CD3, CD4, CD8, CD20 and FoxP3 expressions were evaluated immunohistochemically on sections obtained from paraffin-embedded tissues.

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Objective: The presence of miliary disease during initial ovarian cancer debulking may reflect a distinct mode of peritoneal spread independent from size-based tumor staging and may explain variation in response to treatment and survival outcomes. To infer the prevalence, presentation and clinical implications of miliary disease we reviewed existing surgical records.

Methods: Reports were available for 1008 primary debulking surgeries for ovarian, primary peritoneal or fallopian tube cancer between 2001 and 2015 (685 reports from 2005 to 2015).

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Introduction: We compared the disease free-survival (DFS) and overall survival (OS) rates of patients with high-grade serous primary fallopian tube cancer (HG-sPFTC) and high-grade serous epithelial ovarian cancer (HG-sEOC).

Methods: 22 early-stage cancer patients (International Federation of Gynecology and Obstetrics (FIGO) stages I-II) with HG-sPFTC were retrospectively evaluated. In addition, 44 control patients diagnosed with HG-sEOC were matched to these patients with respect to tumor stage at diagnosis.

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Aim: To predict the myometrial invasion with three-dimensional (3D) ultrasonography in a cohort of patients with endometrial carcinoma by a previously described technique.

Material And Methods: The moyometrial infiltration was evaluated by 3D ultrasonography before surgery in 54 patients with endometrial carcinoma. After scanning the whole uterus by ultrasonography, three perpendicular planes were identified to find the shortest myometrial tumor-free distance to serosa (TDS) by examining the lateral, anterior, posterior, and fundal parts of the myometrium.

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Purpose: Vulvar cancer is a relatively uncommon type of gynecologic cancer. The aim of this study is to analyze the treatment results and prognostic factors of vulvar cancer.

Methods: Forty-four vulvar cancer patients treated between 2000 and 2011 at the Department of Radiation Oncology, Ege University Faculty of Medicine, were retrospectively reviewed.

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Background: Uterine sarcomas are rare, malignant, gynecological tumors and show diverse histopathological features. Therefore, there is no consensus on risk factors for poor outcome and optimal treatment. The aim of this retrospective analysis is to report the clinical outcome of patients with uterine sarcoma treated at a single center.

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Aim: Information on the clinical behavior of ovarian Sertoli-Leydig cell tumors (SLCTs) as well as its prognostic factors and optimal management is limited due to a substantially low incidence of the disease. Also, limited data is available regarding the role of chemotherapy in the management of SLCTs. The aim of the study is to evaluate clinicopathological features and outcome of patients with ovarian SLCTs.

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The aim of this study was to identify the role of preoperative serum vascular endothelial growth factor (VEGF) and migration inhibitor factor (MIF) in differentiation of benign and malignant adnexal masses, as well as the relationship between prognostic factors and VEGF and MIF in ovarian cancer patients. This prospective study included 41 patients who were admitted between November 2010 and March 2012. In the malignant group, there were 21 patients, and remaining 20 had benign adnexal masses.

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Diabetes mellitus can adversely affect gonadal function. In the present study, we aimed to investigate the protective effects and mechanism of action of levetiracetam (LEV) on the ovaries in a streptozotocin (STZ)-induced diabetes model in rats. Twenty-one adult female rats were assigned to three groups as control, diabetes group treated with 1 mL/kg/d saline (STZ + SP) and diabetes group treated with 600 mg/kg/d LEV (STZ + LEV).

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Objectives: The purpose of the present study was to investigate the protective effect of oxytocin on cisplatin (CP)-induced renal damage in rats.

Materials And Methods: Fourteen adult Sprague Dawley rats, weighing 200 to 210, were administered by cisplatin (CP, 2 mg/kg/day) twice a week for five weeks. Then, they were randomly divided into two groups and treated with either saline (1 ml/kg/day) or OT (200 µg/kg/day) for five weeks.

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The aim of our study is to investigate the effect of sunitinib on diabetes mellitus related-ovarian injury and fibrosis in rat models. An experimental diabetes mellitus model was created in 16 rats, and eight rats with normal blood glucose levels were included in control group (Group-1). The diabetic rats were divided into two groups:diabetic control group (water given) - Group-2 and sunitinib treatment group - Group-3.

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Adnexal masses are formations seen in women of all ages; they most often include cystic elements. Medical history, physical examination, different imaging methods, and tumor marker determinations must be used together for preoperative evaluation of an adnexal mass. Both benign and malignant tumors of the small intestine are more rarely encountered than malignant tumors of other gastrointestinal system components; although advanced imaging methods and other diagnostic techniques are used, they do not always allow these tumors to be differentiated from adnexal masses.

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Peripheral neurotoxicity is a frequent dose-limiting side effect of the chemotherapeutic agent cisplatin. This study was conducted to investigate the preventive effect of oxytocin (OT) on cisplatin-induced neurotoxicity in rats. Forty-four adult female rats were included in the study.

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Purpose: The purpose of this study is to evaluate the prognostic role of preoperative neutrophil to lymphocyte ratio (NLR) and platelet to lymphocyte ratio (PLR) and the need for para-aortic lymphadectomy in patients with primary fallopian tube carcinoma (PFTC).

Materials And Methods: Ninety-one patients with a diagnosis of PFTC were identified through the gynecologic oncology service database of six academic centers. Clinicopathological, surgical, and complete blood count data were collected.

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Background: To determine the effects of different intraabdominal pressure (IAP) on the ovaries in a laparoscopic rat model.

Objectives: The aim of the study was to determine the effects on the ovaries of different intraabdominal pressures (IAP) in laparoscopic surgery in a rat model.

Material And Methods: Thirty-two post-pubertal nonpregnant Sprague-Dawley rats were divided randomly into four groups.

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