Publications by authors named "Canturk N"

Article Synopsis
  • Hepatocellular carcinoma (HCC) is a major global health issue often diagnosed late, making early detection critical yet difficult.
  • This study utilizes deep learning with the You Only Look Once (YOLO) architecture to improve HCC detection in CT images, using a dataset of 1290 images from 122 patients.
  • The YOLO model achieved impressive diagnostic results, with a precision of 0.97216, recall of 0.919, and overall accuracy of 95.35%, indicating its potential to enhance early diagnosis and patient outcomes in clinical settings.
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Background/aim: Physicians work under high levels of stress due to factors such as excessive workload, emotional factors, and economic variables. This leads to various health problems such as depression, burnout, fatigue, and hopelessness, resulting in decreased interest in a medical career and an increase in career choice regret.

Materials And Methods: The study included 300 volunteer resident physicians from Ankara University Medical Faculty Hospital.

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Objective: The aim of the idiopathic granulomatous mastitis (IGM) consensus study was to evaluate the etiology, diagnostic steps, and differential diagnosis and propose a widely accepted clinical classification of this mysterious breast disease.

Method: The organization of a national IGM consensus was decided by the joint evaluation of the Turkish Federation of Breast Diseases Societies, SENATURK, and the Society of Breast Surgery. First, a working group of 11 members was formed, and a survey and workshop were organized to reach a common consensus.

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Objectives: The involvement of axillary lymph nodes plays a key role in breast cancer staging. Positron emission tomography is a promising modality for detecting axillary lymph node metastasis. In addition, nomograms are used to predict the status of axillary lymph nodes.

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Glycerol-3-phosphate dehydrogenase (GPD1) and monoacylglycerol lipase (MAGL) levels are known to be significantly downregulated in both the tissue and serum samples of patients with triple-negative breast cancer (TNBC), compared with other BC subtypes and healthy controls. As such, the association between GPD1 and MAGL levels and lymph node metastasis was evaluated in the present study. Utilizing western blotting, lymph node protein extracts from metastasized BC subtypes were analyzed and a significant downregulation of GPD1 and MAGL protein expression levels in the lymph node metastases was demonstrated in the TNBC subtype, compared with healthy controls.

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Arteriovenous malformations of adrenal gland are extremely rare. We report a case of an adrenal arteriovenous malformation, mimicking an adrenal tumor in preoperative imaging. A 48-year-old woman presented to our clinic with abdominal pain.

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Background/aim: To investigate the metabolic response and body mass index reduction according to the remaining stomach volume between 6-12 months after the operation in patients who underwent sleeve gastrectomy surgery for obesity and to determine the relationship between the remaining stomach volume and metabolic improvement. Patients underwent sleeve gastrectomy in a single center by the same team and with the same standardized method. Residual gastric volumes were calculated from three-dimensional computed tomography images obtained 6-12 months postoperatively.

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The external human ear is considered to be highly variable among individuals. Hence, forensic applications could be explored for human identification. This research compares the usefulness of Cameriere's ear identification method, in samples originating from six different countries (Brazil, India, Japan, Russia, South Africa and Turkey) in order to examine possible differences in their accuracy values.

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Background: Surgical excision of a non-palpable breast lesion requires a localization step. Among available techniques, wire-guided localization (WGL) is most commonly used. Other techniques (radioactive, magnetic, radar or radiofrequency-based, and intraoperative ultrasound) have been developed in the last two decades with the aim of improving outcomes and logistics.

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Introduction: Primary bilateral macronodular adrenal hyperplasia (PBMAH) is one of the uncommon causes of endogenous Cushing's syndrome (CS).Pheochromocytoma (PCC) is another adrenal tumor which is derived from neural crest arising in the adrenal medulla. Here we are reporting a case with recurrent overt CS due to PBMAH, 2 years after unilateral adrenalectomy, concomitant with recently developed PCC.

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Article Synopsis
  • Breast cancer is the most common cancer in women globally, and while BRCA1/2 genes are linked to many cases, not all patients have mutations in these genes.
  • This study involved 96 patients without BRCA1/2 mutations, analyzing 34 genes through next-generation sequencing to find other genetic variations related to breast cancer.
  • The researchers identified genetic variants in 16 genes for about 45% of the patients, uncovering pathogenic variants in key genes like TP53 and CHEK2, and highlighting the utility of next-generation sequencing in understanding breast cancer genetics.
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Article Synopsis
  • Idiopathic Granulomatous Mastitis (IGM) mimics breast cancer symptoms, such as pain and inflammation, but its biological mechanisms remain largely unclear.
  • This study analyzed protein levels in IGM tissues compared to healthy controls, identifying 60 proteins with significant differences in expression linked to immune responses and cancer metabolism.
  • The findings suggest a connection between IGM and immune system dysfunction, proposing specific proteins as potential diagnostic markers, while emphasizing the need for more research to fully understand the disease's development.
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Hydatid disease (HD) is a zoonotic disease, which typically affects the liver and the lungs. Primary retroperitoneal localization of the disease is infrequent. The most common symptom is abdominal pain; however, the clinical features of HD may be generally dependent on the location of the cyst.

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High-fat diet-induced obesity adversely affects the female reproductive system. The metabolic changes that the high-fat diet causes on the ovaries have not been elucidated. Herein, to understand the molecular and cellular mechanisms underlying the effects of long-term high-fat diet-fed, the changes in the global proteomic profile of the rat ovaries were investigated.

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Objectives: COVID-19 disease, which rapidly became a pandemic, led to significant changes in the provision of health services. This included radical changes to the supply and delivery of routine services to release resources for emergency care. During this process, a range of restrictions were imposed including the recommended rules to be followed before, during and after surgery.

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Although guidelines recommend some of the most expensive diagnostic methods and therapies, some patients do have the opportunity to use them, but some others have overused or misused such methods. The cost of cancer care is increasing, but the satisfaction levels of patients and healthcare workers have not increased in line with this rise. Value-based care for cancer, especially breast cancer, should be implemented.

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Objectives: The risk of contracting SARS-CoV-2 is high among the health care workers (HCW). The comparison between the antibody response to an inactivated Covid19 vaccine and the antibodies that developed during Covid-19 infection has not been elucidated. In this study, vaccine-induced antibody levels were compared with the antibodies developed in naturally infected HCWs.

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Purpose: The COVID-19 pandemic has changed the way many health institutions approach their workload. Physicians managing patients with cancer now have to deal not only with the disease but also the restrictions and limitations imposed because of the global pandemic. We aimed to determine how surgical preferences in breast cancer management were affected globally using a questionnaire-based survey.

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Background: The aim of this randomized clinical trial was to evaluate the overall survival (OS) data of patients diagnosed with de novo stage IV breast cancer (BC) who received locoregional treatment (LRT) over a 10-year follow-up.

Study Design: The MF07-01 is a 1:1 multicenter, randomized clinical trial comparing the LRT with systemic therapy (ST), where ST was given to all patients either immediately after randomization or after surgical resection of the intact primary tumor.

Results: A total of 278 patients were randomized and 265 patients were in the final analysis.

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The use of oncoplastic breast surgery is an essential cornerstone for breast cancer management. The main aim of breast cancer surgery is to obtain an adequate oncological safety margin. Still, the cosmetic outcome also seems important for social and psychological wellbeing and quality of life.

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Background: The aim of the study was to evaluate the role of well-characterized vitamin D receptor (VDR) gene polymorphisms, BsmI (rs 1544410), ApaI (rs 7975232), TaqI (rs 731236), and FokI (rs 10735810) and their haplotypes in the pathogenesis of breast cancer in Turkish women.

Methods: The subjects consisted of women including 331 breast cancer patients and 345 healthy controls. After conventional DNA isolation genotyping was done by a PCR-RFLP method, haplotype analysis was performed using Haploview 4.

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Purpose: The COVID-19 pandemic brought unprecedented conditions for overall health care systems by restricting resources for non-COVID-19 patients. As the burden of the disease escalates, routine elective surgeries are being cancelled. The aim of this paper was to provide a guideline for management of endocrine surgical disorders during a pandemic.

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Graves' disease (GD) and toxic multinodular goitre (TMNG) are the most common thyroid diseases which mainly lead to thyrotoxicosis, however, the underlying mechanism of distinct clinical presentations remains unclear. Protein extracts from the thyroid tissue specimens of the patients with GD and TMNG were subjected to Difference Gel Electrophoresis (DIGE). Differentially regulated protein spots were determined by image analysis, and the spots displaying statistically significant differences were identified by Matrix-Assisted Laser Desorption Ionization Time of Flight Mass Spectrometer (MALDI-TOF) followed by MASCOT search.

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The identification of unknown individuals is of crucial importance to society, especially in the context of mass disasters involving individuals of different nationalities. The comparison of frontal sinus patterns is an important tool for personal identification. In Cameriere's method, a new personal code number (codC) containing 8 digits was elaborated, based on the measurements of frontal sinus patterns.

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