Publications by authors named "Sefika Burcak Polat"

Purpose: ChatGPT is a widely used artificial intelligence modeling tool. Healthcare is one potential area of use of ChatGPT. This study aimed to test the usability and reliability of ChatGPT in acromegaly, which is less known in society and should be evaluated by a group of specialized physicians.

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Background And Study Aims: Nonalcoholic fatty liver disease is the most prevalent chronic liver disease globally and is linked to augmented susceptibility to type 2 diabetes mellitus (DM), cardiovascular disease, and microvascular complications inherent to DM, such as nephropathy, neuropathy, and retinopathy. The fibrosis-4 (FIB-4) scoring system, a noninvasive tool, is useful for predicting the extent of liver fibrosis across diverse pathologies. This study aimed to assess the potential predictive role of FIB-4 scores in microvascular complications associated with diabetes.

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Introduction: High-resolution ultrasonography devices have led to the increased detection of thyroid nodules and the need for fine-needle aspiration biopsy (FNAB). However, FNAB is an invasive procedure that can cause discomfort and pain. Music therapy has been used for centuries to alleviate pain, and our clinical trial was conducted to investigate its impact on pain scores during thyroid FNAB.

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Background: The sensitivity of cytological (CY) evaluation after fine-needle aspiration (FNA) for detecting medullary thyroid carcinoma (MTC) is a subject of controversy. The routine use of serum calcitonin (CT) in patients with thyroid nodules is not universally adopted. The authors conducted CT screening of FNA washout fluid (FNA-CT) to address the diagnostic challenges.

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Objective: This study aims to investigate the frequency of fibromyalgia and its predictors in women with polycystic ovary syndrome (PCOS) and its relationship with insulin resistance, and to assess the effect of fibromyalgia on the anxiety and depressive symptoms in PCOS patients, and how the quality of life was affected by this combination.

Measurements: The study was conducted with 74 women with PCOS according to the Rotterdam criteria, which applied to our tertiary care clinic between January 2021 and January 2022, and 51 controls. Endocrinologic and rheumatologic examinations, biochemical and hormonal analyses, and radiologic imaging are made.

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Context: The aims of the study are to compare characteristics of subacute thyroiditis (SAT) related to different etiologies, and to identify predictors of recurrence of SAT and incident hypothyroidism.

Methods: This nationwide, multicenter, retrospective cohort study included 53 endocrinology centers in Turkey. The study participants were divided into either COVID-19-related SAT (Cov-SAT), SARS-CoV-2 vaccine-related SAT (Vac-SAT), or control SAT (Cont-SAT) groups.

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Background: COVID-19 has caused a pandemic and is associated with significant mortality. The pathophysiology of COVID-19, affecting many organs and systems, is still being investigated. The hypothalamus, pituitary gland, and possibly adrenal glands are the targets of SARS-CoV-2 because of its angiotensin-converting enzyme 2 (ACE2) and transmembrane serine protease 2 (TMPRSS2) receptors expression.

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Purpose: Graves' orbitopathy (GO) is an inflammatory process that may involve the ocular surface, orbital fat, extraocular muscles, and optic nerves in patients with Graves' disease (GD). We aimed to compare thicknesses of retinal layers in patients with GD with and without GO.

Methods: One hundred seven patients with GD [23 with GO (Group 1), 84 without GO (Group 2)] and eighteen volunteers (Group 3) were enrolled.

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Background: It is known that serum thyroglobulin (TG) can increase after fine-needle biopsy of thyroid nodules. We aimed to determine whether TG is increased after ultrasonography (US)-guided fine needle capillary biopsy (FNC) of suspicious cervical lymph nodes (LNs) in thyroidectomised patients and investigate the possible association between change in TG and cytology results.

Material And Methods: Data of 188 patients who underwent FNC of suspicious cervical LNs were retrospectively evaluated.

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Purpose: Prolactinoma is a type of pituitary tumour that produces an excessive amount of the hormone prolactin. It is the most common type of hormonally-active pituitary tumour. These tumours can cause ocular complications such as vision loss and visual fields (VF) defect.

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Objective: To evaluate the changes in thyroid functions in Ramadan, and compare late evening and pre-seheri use of levothyroxine in patients with hypothyroidism.

Study Design: Cross-sectional study.

Place And Duration Of Study: Department of Endocrinology, Ankara Ataturk Education and Research Hospital and Ankara Yildirim Beyazit University, Turkey, from May to June 2018.

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Objective: Primary hyperparathyroidism (PHPT) is a common endocrine disease that is caused by a single adenoma in most of the cases. Surgical management is the mainstay and definitive treatment for parathyroid adenoma (PA). Minimally invasive surgical techniques are as effective as bilateral neck exploration with a lower risk of complications and better cosmetic results in patients with solitary PA.

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Background: Despite significant improvement in imaging quality and advanced scientific knowledge, it may still sometimes be difficult to distinguish different parathyroid lesions. The aims of this prospective study were to evaluate parathyroid lesions with ultrasound elastography and to determine whether strain index can help to differentiate parathyroid lesions.

Methods: Patients with biochemically confirmed hyperparathyroidism and localised parathyroid lesions in ultrasonography were included.

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Background: The characteristics of multifocal PTC remain controversial. Surgical approach to multifocal tumor changes between centers. This study aimed to evaluate the incidence of bilateral involvement, predictive factors for bilaterality and whether bilaterality was related with more aggressive histopathologic features or prognosis in patients with multifocal PTC.

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Introduction: The incidence of thyroid cancer is increasing which can be attributed in part to improved ultrasonography (US) methods and increased detection of incidental thyroid carcinomas (ITC). We aimed to compare ITC with nonincidental thyroid carcinomas (NITC) in this study.

Methods: Retrospective analyses of 906 individual patients who were operated for benign and malignant thyroid disease and had a final histopathological diagnosis of thyroid carcinoma were enrolled in this study.

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Background And Objectives: The accurate identification of hyper functioning parathyroid gland is needed for definitive surgical treatment in primary hyperparathyroidism. Ultrasonography and 99mTechnetium sestamibi scintigraphy are the two most used methods with varying sensitivities. This study aimed to assess the value of parathyroid hormone (PTH) assay in preoperative ultrasound guided fine needle aspiration (FNA)-PTH washout fluid to verify the correct localisation of lesions with negative or inconclusive scintigraphy results.

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Thyroid carcinoma is the most common endocrine malignancy. Surgery is the standard therapeutic approach for patients with differentiated thyroid carcinoma (DTC), followed by radioiodine (RAI) therapy if indicated. For women with DTC, the effects of RAI therapy on gonadal and reproductive function are an important consideration.

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Objective: Thyroid Imaging Reporting and Data System (TIRADS) is a simple and reliable reporting system for the prediction of malignancy. We aimed to determine the role of TIRADS in the prediction of malignancy in subcategories of Bethesda Category III, atypia of undetermined significance (AUS) and follicular lesion of undetermined significance (FLUS).

Design & Patients: A total of 461 nodules with AUS cytology in 450 patients and 179 nodules with FLUS cytology in 168 patients were included.

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Article Synopsis
  • The study focuses on parathyroid cancer (PC), which is a rare form of primary hyperparathyroidism (PHPT), and aims to identify features that predict aggressive cases requiring more intensive treatment.
  • It involved 28 patients diagnosed with atypical adenoma or carcinoma, comparing them against 102 patients with classical parathyroid adenomas based on biochemical and ultrasonographic characteristics.
  • Findings indicated that higher levels of calcium (Ca), parathyroid hormone (PTH), alkaline phosphatase (ALP), and unique lesion appearances on ultrasound are linked to more aggressive diseases, suggesting that such features may warrant more invasive surgical approaches.
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Objective: The aim of this study was to disclose the prevalence of myocardial ischemia, as detected by adenosine stress myocardial perfusion imaging (MPI) with hybrid single-photon emission computed tomography/computed tomography (SPECT/CT), in asymptomatic diabetic and pre-diabetic patients and to find out whether ischemia predicted the occurrence of adverse cardiac/cerebrovascular events (ACCE) at follow-up.

Methods: Forty-three diabetic and thirty-five pre-diabetic asymptomatic patients without any history of coronary artery disease, underwent MPI and were followed-up for a 12.8±2.

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Objective Endothelial dysfunction (ED) plays an important role in the pathogenesis of diabetic nephropathy. The purpose of the study was to determine flow mediated endothelial dependent vasodilatation (FMD) measurements and serum soluble (s) endothelin-1 (ET-1), intercellular adhesion molecule-1 (ICAM-1) and vascular cell adhesion molecule (VCAM-1) levels in patients with type 1 diabetes mellitus (T1DM) with or without increased urinary albumin excretion (UAE) and compare them with the healthy controls. Subjects and methods Seventy three patients with T1DM were enrolled.

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Background: High values of fine needle aspiration washout thyroglobulin (FNAB-Tg) are diagnostic for metastatic lesions of thyroid cancer. However, there is not a consensus on cutoff for high FNAB-Tg level. In this study, we aimed to determine a more accurate and standardized parameter for FNAB-Tg.

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Background: Diabetes mellitus (DM) is an endocrine disease characterized by metabolic abnormalities and long-term complications. The Achilles tendon (AT) plays an important role in foot biomechanics. We aimed to investigate the effect of DM on the Achilles tendon, which may contribute to long-term complications in the foot-ankle complex.

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Objective: When a scintigraphically autonomous nodule does not produce thyroid hormones enough to suppress serum thyrotrophin, it is generally defined as nontoxic autonomous nodule. In this study, we aimed to compare clinical and ultrasonographical (US) features and cytological and histopathological results of toxic and nontoxic autonomous nodules.

Methods: Patients who underwent thyroidectomy and were evaluated with technetium-99m-pertechnetate scintigraphy preoperatively in our institution between May 2008 and December 2014 were identified from medical records.

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Pregnancy or lactation-related osteoporosis (PLO) is a very rare and debilitating condition which is usually diagnosed during the last trimester of the pregnancy or early postpartum period. Herein, we report a case with severe PLO and multiple vertebral compression fractures that were successfully treated with teriparatide. Twenty-three-year-old female patient was admitted to our clinic two months after her first spontaneous vaginal delivery with the complaint of severe back pain.

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