Publications

Here you can find a list of my academic publications. Click on the titles to download the PDF files or open external links.

Articles

  • Hepatic artery augmented velocity index and steatohepatitis: a pilot study

    Hüseyin Gökhan Yavaş, Emre Emekli, Mehmet Korkmaz

    This pilot study investigated the relationship between hepatic artery augmented velocity index (Avi) and steatohepatitis. Results showed a significant correlation between elevated Avi and histopathological liver inflammation, suggesting that Doppler ultrasonography may serve as a non-invasive indicator for hepatic injury in metabolic liver disease.

  • A Rare Case of Primary Musculoskeletal Hydatid Disease Involving the Deltoid Muscle and Humerus

    M. Alperen Kılıç, Hilal Kırmızıgül, Emre Emekli, Murat Tepe

    This case report presents a 38-year-old woman diagnosed with primary musculoskeletal hydatid disease involving the deltoid muscle and humerus, a rare manifestation of Echinococcus infection. MRI and CT imaging revealed multilocular cystic lesions causing bone destruction and soft-tissue invasion. Over ten years of follow-up, the lesion demonstrated minimal progression, underscoring the chronic nature and diagnostic challenges of primary musculoskeletal hydatidosis.

  • Medical record keeping training for undergraduate medical students in preclinical years: An experiment for program effectiveness and student satisfaction

    Emre Emekli, Özlem Coşkun, Vildan Özeke, Yavuz Selim Kıyak

    This experimental study evaluated a 12-week clinical record-keeping training program for pre-clinical medical students. It demonstrated significant improvement in students’ documentation skills and high satisfaction scores, supporting the integration of structured record-keeping education early in medical curricula to enhance communication and patient safety.

  • Magnetic resonance imaging findings in Ménière’s disease: the impact of radiologist experience on hydrops imaging

    Çağatay Cihan, Uğur Toprak, Emre Emekli, Armağan İncesulu, Hamit İpek

    This study investigated how radiologist experience affects the reliability of magnetic resonance imaging (MRI) in detecting endolymphatic hydrops in Ménière’s disease. Sixty-four patients were evaluated by both a senior and a newly certified radiologist using 3D-FLAIR and T2-weighted sequences. The experienced radiologist demonstrated higher intraobserver agreement and diagnostic accuracy, while the newly certified radiologist showed lower consistency in hydrops assessment. The findings emphasize that accurate evaluation of endolymphatic hydrops depends strongly on radiologist expertise and that structured training is needed to ensure diagnostic reliability.

  • AI Teaches Surgical Diagnostic Reasoning to Medical Students: Evidence from an Experiment Using a Fully Automated, Low-Cost Feedback System

    Yavuz Selim Kıyak, Emre Emekli, Tuğba İş Kara, Özlem Coşkun, Işıl İrem Budakoğlu

    This prospective, parallel-group interventional study investigated the effectiveness of a fully automated AI-based system that generated both multiple-choice questions (MCQs) and personalized feedback without human input to improve surgical diagnostic reasoning in preclinical medical students. Conducted at Gazi University, the AI-generated training covered five abdominal pain diagnoses and was assessed using an Objective Structured Video Examination (OSVE). Students in the intervention group significantly outperformed controls immediately and after two weeks (p < 0.001). Expert review confirmed the accuracy of all AI-generated content with minimal feedback errors (0.6%), and the total AI cost was just $0.51. The findings suggest that lightweight, low-cost AI systems can effectively enhance diagnostic reasoning early in medical education, offering scalable and accessible tools for clinical learning.

  • Artificial intelligence in radiology examinations: a psychometric comparison of question generation methods

    Emre Emekli, Betül Nalan Karahan

    This study compared artificial intelligence (AI)-based question generation methods—ChatGPT-4o and a template-based automatic item generation (AIG) system—with faculty-written multiple-choice questions (MCQs) in radiology education. Conducted with 115 fifth-year medical students, the study found that both AI methods produced questions with acceptable psychometric properties, including difficulty and discrimination indices comparable to human-written items. Template-based AIG questions demonstrated particularly strong consistency and clarity ratings from students. Faculty-written questions yielded the highest overall performance, but AI-generated questions were rated highly in clarity, plausibility of distractors, and educational alignment. The findings suggest that AI-driven MCQ generation—especially template-based systems—can support educators in creating valid, high-quality assessment items efficiently, though expert oversight remains essential for quality assurance.

  • Comparison of applicability, difficulty, and discrimination indices of multiple-choice questions on medical imaging generated by different AI-based chatbots

    Betül Nalan Karahan, Emre Emekli

    This comparative study evaluated multiple-choice questions (MCQs) generated by seven AI-based chatbots—including Claude 3, ChatGPT-4o, Copilot, Gemini, Turin Q, and Writesonic—for medical imaging education. Eighty questions were analyzed for accuracy, difficulty, and discrimination indices through expert review and psychometric testing with students and radiology assistants. Results showed that 72.5% of AI-generated questions were suitable for educational use, with most assessing recall-level knowledge (79.31%). Claude 3 produced the most reliable and balanced questions, while some models generated easier or less discriminating items. The study concluded that AI chatbots can effectively assist educators in creating valid MCQs for radiology education, although human review remains essential for higher cognitive domains and accuracy.

  • Analysis of Clinical Record-Keeping Education in Turkish Medical Faculties: Evaluation of Curriculum Programs

    Emre Emekli, M. Alperen Kılıç, Özlem Coşkun

    This study analyzed the distribution and characteristics of clinical record-keeping (CRK) courses in Turkish medical faculties. Curricula from 122 faculties were reviewed, and 86 programs were evaluated. Of the 1351 total CRK-related course hours, 31.8% were theoretical and 9.6% practical during the preclinical period, while 58.7% were theoretical during the clinical period. Most courses focused on taking medical history (70.8%), followed by forensic document preparation and prescription writing. Practical courses on discharge summaries and electronic health records were very limited. The study highlights the need to increase the number and quality of practical CRK courses, particularly in the preclinical phase, to strengthen students’ documentation competencies and improve patient safety after graduation.

  • Clinical Reasoning in Psychiatric Education: Development of Multiple-Choice Questions with Automatic Item Generation in Turkish

    Esra Emekli, Emre Emekli, Yavuz Selim Kıyak, Yasemin Hoşgören Alıcı, Özlem Coşkun, Işıl İrem Budakoğlu

    This study is the first in Turkey to develop Turkish case-based psychiatry questions using a template-based automatic item generation (AIG) method. A total of 1,189 multiple-choice questions were generated with the aim of assessing clinical reasoning skills. The results demonstrated that high-quality and diverse questions can be produced efficiently using this approach. This work contributes significantly to psychiatric education and medical assessment practices.

  • AI in Radiography Education: Evaluating Multiple-Choice Questions Difficulty and Discrimination

    Emre Emekli, Betül Nalan Karahan

    This study compared multiple-choice questions (MCQs) generated by ChatGPT-4o with those written by radiology educators, focusing on difficulty and discrimination indices. Conducted with 56 first-year students in Turkey, both sets of questions covered radiographic anatomy and positioning. Results showed that AI-generated questions were comparable in quality to human-written ones, with minor differences in performance metrics. These findings highlight the potential of AI tools to support assessment processes in health education.

  • Assessing the Accuracy, Readability and Understandability of AI Answers on Radiation During Pregnancy

    Burcu Mert, Emre Emekli

    This study evaluates the accuracy, readability, and understandability of answers provided by websites, ChatGPT, Copilot, and Bard regarding radiation exposure during pregnancy. Although AI tools like Bard showed high accuracy and better readability, the overall results indicate that both websites and chatbots often provide information that is difficult for patients to understand. The study highlights the need for improving online health information to ensure accessibility for all readers.

  • Artificial Intelligence-Based Chatbots’ Ability to Interpret Mammography Images: A Comparison of Chat-GPT 4o and Claude 3.5

    Betül Nalan Karahan, Emre Emekli, Mahmut Altuğ Altın

    This national survey of radiology residents in Türkiye reveals that while most residents believe artificial intelligence (AI) will significantly impact the future of radiology, their overall AI knowledge and usage remain limited. The findings highlight an urgent need to incorporate AI training into radiology residency curricula and to increase awareness of existing online learning resources.

  • The Role of Artificial Intelligence in Radiology Residency Training: A National Survey Study

    Emre Emekli, Özlem Coşkun, Işıl İrem Budakoğlu

    This national survey of radiology residents in Türkiye reveals that while most residents believe artificial intelligence (AI) will significantly impact the future of radiology, their overall AI knowledge and usage remain limited. The findings highlight an urgent need to incorporate AI training into radiology residency curricula and to increase awareness of existing online learning resources.

  • Using Large Language Models to Generate Script Concordance Test in Medical Education: ChatGPT and Claude

    Yavuz Selim Kıyak, Emre Emekli

    This study explores the use of large language models, specifically ChatGPT-4 and Claude 3, to generate Script Concordance Test (SCT) items in medical education. It finds that while these AI-generated items can effectively assess clinical reasoning skills, they still require expert review and refinement. The results suggest that integrating LLMs into SCT item creation could streamline the development process, reduce time and effort, and potentially improve educational assessments as newer models and techniques evolve.

  • Keeping humans in the loop efficiently by generating question templates instead of questions using AI: Validity evidence on Hybrid AIG

    Yavuz Selim Kıyak, Emre Emekli, Özlem Coşkun, Işıl İrem Budakoğlu

    This study evaluated the effectiveness of AI language models (ChatGPT-4, BARD, Microsoft Copilot) in simplifying radiology reports for patients. The models successfully translated complex medical language into more accessible terms, with all achieving high readability and understandability scores. However, their accuracy in classifying the urgency of medical conditions varied, indicating the need for further refinement. These findings highlight the potential of AI in enhancing patient understanding and engagement in their healthcare decisions.

  • Comparison of Automatic Item Generation Methods in the Assessment of Clinical Reasoning Skills

    Emre Emekli, Betül Nalan Karahan

    This study explores the use of large language models, specifically ChatGPT-4 and Claude 3, to generate Script Concordance Test (SCT) items in medical education. It shows that while these AI-generated items can assess clinical reasoning skills, expert review and refinement are still required. The findings suggest that integrating LLMs into SCT item creation could streamline the development process, save time and effort, and potentially improve educational assessments as newer models and workflows evolve.

  • The Effect of Scan Length on Effective Dose in Emergency Brain CT Scans in Pediatric Patients

    Emre Emekli, Elif Zoroğlu Altınkaya

    The study examines how scan length affects the effective radiation dose in emergency brain CT scans of pediatric patients. It found that over 54% of scans had lengths exceeding the optimal range, leading to higher radiation exposure. Notably, the presence of a hand in the imaging field did not significantly impact the effective dose. These findings underscore the importance of adhering to appropriate scan lengths to minimize radiation exposure in children.

  • Medical Record-keeping Educational Interventions for Medical Students and Residents: A Systematic Review

    Emre Emekli, Özlem Coşkun, Işıl İrem Budakoğlu

    This systematic review examines the effectiveness of educational interventions designed to improve medical record-keeping skills among medical students and residents. It highlights the positive impact of these interventions on documentation quality and emphasizes the need for more robust, randomized controlled trials to further validate these findings and enhance clinical record-keeping education.

  • ChatGPT Prompts for Generating Multiple-Choice Questions in Medical Education and Evidence on Their Validity: A Literature Review

    Yavuz Selim Kıyak, Emre Emekli

    This review explores the use of ChatGPT for generating multiple-choice questions (MCQs) in medical education, highlighting the importance of well-designed prompts and careful review to ensure the validity and quality of the questions. The study underscores the potential of ChatGPT to streamline the test development process but emphasizes the need for ongoing evaluation and optimization to fully harness its capabilities in educational settings.

  • Comprehensiveness and Instructional Quality of YouTube Videos on Clinical Record-Keeping Training in Medical Education

    Emre Emekli, Yavuz Selim Kıyak

    This study evaluates the comprehensiveness and instructional quality of YouTube videos used for teaching clinical record-keeping in medical education. The findings reveal that these videos often lack essential components and fall short of the expected educational standards, even those created by universities or academics. The study highlights the need for caution when using YouTube as a resource for clinical record-keeping training and suggests that educators should focus on producing higher-quality instructional content.

  • A Prompt for Generating Script Concordance Test Using ChatGPT, Claude, and Llama Large Language Model Chatbots

    Yavuz Selim Kıyak, Emre Emekli

    This study explores the potential of using large language models (LLMs) like ChatGPT-4, Claude 3, and Llama 3 to generate Script Concordance Tests (SCTs), which are crucial for assessing clinical reasoning in uncertain situations. The authors developed a generic prompt that can be tailored to different fields of medicine, allowing these models to create SCT items quickly. While the results are promising, the study emphasizes the need for expert review to ensure the accuracy and reliability of the AI-generated content before it can be used in actual exams.

  • Assessing the Responses of Large Language Models (ChatGPT-4, Gemini, and Microsoft Copilot) to Frequently Asked Questions in Breast Imaging: A Study on Readability and Accuracy

    Murat Tepe, Emre Emekli

    This study evaluated the readability and accuracy of responses from large language models (ChatGPT-4, Gemini, and Microsoft Copilot) to frequently asked questions in breast imaging. The results revealed that while ChatGPT-4 provided the most accurate information, Gemini and Microsoft Copilot produced more easily understandable responses. The study underscores the potential of AI in improving patient education, though it highlights the need for ongoing refinement to balance accuracy and readability in medical communication.

  • Decoding Medical Jargon: The Use of AI Language Models (ChatGPT-4, BARD, Microsoft Copilot) in Radiology Reports

    Murat Tepe, Emre Emekli

    This study evaluated the effectiveness of AI language models (ChatGPT-4, BARD, Microsoft Copilot) in simplifying radiology reports for patients. The models successfully translated complex medical language into more accessible terms, with all achieving high readability and understandability scores. However, their accuracy in classifying the urgency of medical conditions varied, indicating the need for further refinement. These findings highlight the potential of AI in enhancing patient understanding and engagement in their healthcare decisions.

  • Exploring Celiac Trunk Parameters in Median Arcuate Ligament Syndrome: A CT Study

    Emre Emekli, Fatma Didem Bayav, Elif Gündoğdu

    This study analyzed anatomical variations of the celiac trunk (Ct) and its relationship with the superior mesenteric artery (SMA) in patients with Median Arcuate Ligament Syndrome (MALS) using CT imaging. The findings revealed significant correlations between the celiac trunk angle, length, and the distance between Ct and SMA, suggesting these anatomical features may play a role in MALS. The study emphasizes the importance of understanding these variations for better diagnosis and management of MALS, although further research is needed to confirm these insights.

  • Anatomical Variations in Fissure of the Lung on Computed Tomography

    Emre Emekli, Mesut Yıldırım

    This study investigated anatomical variations in lung fissures using thoracic computed tomography (CT) in 352 patients. It found that 27% of patients exhibited fissure variations, with the most common being incomplete or absent fissures, particularly in the right horizontal fissure. The study highlights the importance of understanding these variations for accurate surgical planning and radiological interpretation, emphasizing the need for clinicians to be aware of such anatomical differences when evaluating lung segments.

  • Sex Determination Using Frontal Sinus Diameters on Direct Radiography

    Emre Emekli

    This study demonstrates that frontal sinus diameters, which are consistently larger in males than in females, can be used for sex determination with an accuracy rate of 69.7% using direct radiography. The findings highlight the potential of frontal sinus measurements as a valuable tool in forensic identification and gender determination, particularly when used alongside other morphometric parameters.

  • Relationship Between Medial Meniscus Extrusion and Damage to Medial Stabilizers: Should Extrusion be Considered Significant Only when More Than 3 mm?

    Hasan Ali Ekşili, Uğur Toprak, Emre Emekli

    This study investigates the relationship between medial meniscus extrusion (MM-ME) and various factors like age, weight, osteoarthritis (OA), and ligament damage. It identifies significant correlations, suggesting that MM-ME values between 2.49–2.85 mm could indicate damage to the meniscus, meniscofemoral and meniscotibial ligaments, as well as OA. The findings emphasize the importance of MM-ME measurements in assessing knee joint health and guiding treatment decisions.

  • Clinical Record Keeping Education Needs in A Medical School and The Quality of Clinical Documentations

    Emre Emekli, Özlem Coskun, Işıl İrem Budakoğlu, Yavuz Selim Kıyak

    This study identifies significant gaps in clinical record-keeping education within a medical school and highlights the need for structured training programs. Both students and faculty members noted deficiencies in current education, which impacts the quality of clinical documentation. The study emphasizes the importance of implementing targeted educational activities to improve clinical record-keeping, which is crucial for effective patient care and legal compliance.

  • The Relationship of Renal Augmented Velocity Index With Ventricular-Arterial Coupling in Comparison to Renal Resistive Index Analysis by Means of Arterial and Ventricular Elastances in Hypertensive Patients

    Betül Banu Karasu, Emre Emekli

    This study explores the subtle cardiorenal interaction in hypertensive patients by examining the relationship between renal augmented velocity index (Avi) and ventriculoarterial coupling, even before conventional cardiac and renal parameters show abnormalities. The findings suggest that renal Avi is a more sensitive and reliable indicator of subclinical changes in cardiorenal circulation than renal resistive index (RI), highlighting its potential in early detection and management of cardiorenal dysfunction.

  • Rectus Sheath Hematoma as a Complication in Patients With COVID-19: Clinical and Imaging Findings

    Emre Emekli, Mesut Yıldırım

    This study investigates the occurrence of rectus sheath hematoma (RSH) in COVID-19 patients, focusing on its frequency, clinical and imaging findings, and prognosis. The study highlights that RSH, typically a rare and self-limiting condition, has become more common and potentially fatal due to the increased use of anticoagulants during the COVID-19 pandemic. It emphasizes the need for healthcare providers to consider RSH in patients with risk factors and acute abdominal pain, with ultrasound as the preferred diagnostic tool, supplemented by CT when necessary.

  • Prognostic Value of Diaphragm Diameter, Muscle Volume, and Bone Mineral Density in Critically Ill COVID-19 Patients

    Emre Emekli, Emine Zülal Bostancı Can

    This study investigates the prognostic value of muscle volume (MV), bone mineral density (BMD), and diaphragm diameter (DD) in predicting mortality in severe COVID-19 patients. The findings suggest that while BMD is a risk factor for mortality, it is not an independent predictor. However, muscle index (MI) and DD are strong independent predictors of mortality, making them valuable for assessing patient outcomes in severe COVID-19 cases.

  • Tıpta Profesyonelizm ve Tıp Eğitimine Entegrasyonu

    Emre Emekli, Özlem Coskun, Işıl İrem Budakoğlu

    Bu makale, tıpta profesyonelizm kavramının tanımını ve tıp eğitimine nasıl entegre edilebileceğini inceliyor. Profesyonelliğin, tıp eğitiminde hem öğretim hem de değerlendirme süreçlerinde kritik bir rol oynadığını vurgulayan çalışma, profesyonel davranışların geliştirilmesinde eğitim müfredatının nasıl yapılandırılması gerektiği konusunda öneriler sunuyor. Makale, bu konunun tıp fakültelerinde daha fazla önem verilmesi gerektiğini belirtiyor.

  • Obstetric Ultrasonography in Postgraduate Radiology Training A National Survey Study

    Emre Emekli, Özlem Coskun, Işıl İrem Budakoğlu, Mahinur Cerit

    This study evaluates the adequacy of obstetric ultrasonography (US) training for radiologists in Turkey, revealing significant gaps in both theoretical and practical training during residency. The findings indicate that many radiologists do not feel fully competent in performing and interpreting obstetric US, largely due to limited patient exposure, insufficient rotation time, and inadequate theoretical instruction during their training. This highlights the need for improved and more comprehensive obstetric US education in radiology residency programs in Turkey.

  • Anthropometric and Clinical Analyses of the Distal Tibia, Posterior Tibial Tendon, and Flexor Digitorum Longus Tendon on MRI

    Emre Emekli, Mesut Yıldırım, Çetin Özlü

    This study investigates the gender and age-related differences in the anatomy of the posterior tibial tendon (PTT), flexor digitorum longus tendon (FDLT), and related structures using MRI. The findings reveal that measurements of these structures, such as groove depth, width, and tendon thickness, can be useful for gender differentiation and surgical planning, particularly in cases involving fractures or the need for surgical intervention. The study highlights the importance of understanding these anatomical differences to improve clinical outcomes and forensic identification.

  • Evaluation of the Frequency of Incidental Findings and Their Clinical Significance in Multiparametric Prostate Magnetic Resonance Imaging Examination

    Emre Emekli, Elif Gündoğdu

    This study evaluates the frequency and clinical significance of incidental findings (IFs) in multiparametric prostate MRI (mpMRI) examinations. The results show that IFs are common, particularly in patients over 65 years old, with a small but important percentage being clinically significant. The early detection of these findings, especially in asymptomatic patients, can improve survival and treatment outcomes, emphasizing the importance of careful evaluation during mpMRI.

  • Is There A Relationship Between Epicardial Adipose Tissue, Inflammatory Markers and Prognosis in Covid-19 in Patients Under 65 Years?

    Emre Emekli, Mustafa Hamidullah Türkkanı, Sevgi Seyhan Ballı

    This study investigates the relationship between epicardial adipose tissue volume (EATV) and attenuation (EATA) with inflammatory markers and their prognostic value in COVID-19 patients under 65 years old. The findings indicate that higher EATV and EATA are associated with increased mortality and are linked to inflammation and lung involvement in these patients. These parameters could be useful in predicting disease severity and outcomes in younger COVID-19 patients.

  • Computed Tomography Findings in Wunderlich Syndrome

    Emre Emekli, Elif Gündoğdu

    This study focuses on Wunderlich Syndrome (WS), a rare but life-threatening condition characterized by spontaneous renal or perirenal hemorrhage without trauma. The study highlights the importance of computed tomography (CT) in diagnosing WS, identifying underlying causes, and guiding treatment decisions. The findings emphasize that renal neoplasms and vascular abnormalities are the most common causes of WS, and timely CT imaging is crucial for managing hemodynamically unstable patients and avoiding unnecessary interventions.

  • Superior Mesenteric Artery Thrombosis as a Complication of COVID-19 Pneumonia: A Case Report

    Emre Emekli, Mesut Yildirim, Çetin Özlü

    This case report highlights a 79-year-old patient with COVID-19 who developed superior mesenteric artery (SMA) thrombosis, a life-threatening condition that can be easily overlooked due to its symptom overlap with COVID-19. The report emphasizes the importance of early diagnosis and treatment, particularly in COVID-19 patients with risk factors for thrombosis, and suggests that anticoagulation therapy might be beneficial in preventing such complications.

  • Percutaneous Biopsy in Adult Wilms Tumor and A Review of the Literature

    Emre Emekli, Elif Gündoğdu

    This study discusses a rare case of adult Wilms tumor, diagnosed through percutaneous biopsy (PCB) in a 38-year-old male. The early diagnosis via PCB allowed for timely neoadjuvant chemotherapy before surgery, improving the treatment's safety and effectiveness. The study highlights the importance of PCB in managing adult Wilms tumors, emphasizing its role in early diagnosis and treatment planning to enhance patient outcomes.

  • Calcified Peyronie’s Disease Frequency on Computed Tomography

    Elif Gündoğdu, Emre Emekli

    This study investigates the frequency of calcified Peyronie's Disease (PD) detected incidentally on CT scans. It found that calcified PD occurs in 6.60% of male patients, most commonly in the sixth and seventh decades of life. The study highlights the importance of recognizing these incidental findings on CT, as they are not rare and tend to be multiple and bilaterally located, particularly in the middle portion of the penis.

  • Üriner Sistem Taşı Tanısı İçin Çekilen Kontrastsız Abdomen Bilgisayarlı Tomografilerdeki İnsidental Bulgu Sıklığı

    Emre Emekli, Elif Gündoğdu

    Bu çalışma, üriner sistem taşı tanısı için çekilen kontrastsız abdomen BT taramalarında insidental bulguların sıklığını ve klinik önemini araştırmaktadır. Sonuçlar, insidental bulguların yaygın olduğunu ve özellikle yaşlı hastalarda daha sık görüldüğünü göstermektedir. Çoğu klinik olarak önemsiz olsa da, bazı bulguların ek tıbbi değerlendirme ve müdahale gerektirdiği vurgulanmaktadır. Bu çalışma, BT taramalarında yalnızca birincil tanıya odaklanmak yerine, tüm yapıları dikkatlice incelemenin önemini vurgulayarak, ciddi durumların erken tespitiyle hasta sağkalımını artırma potansiyeline dikkat çekmektedir.

  • Evaluation of Multiparametric Prostate Magnetic Resonance Imaging Findings in Patients with a Gleason Score of 6 in Transrectal Ultrasonography-guided Biopsy

    Emre Emekli, Elif Gündoğdu, Ata Özen

    This study evaluates the effectiveness of multiparametric prostate MRI (mpMRI) in detecting clinically significant cancer (CSC) in patients with a Gleason score of 6 from a transrectal ultrasound-guided biopsy. The findings suggest that mpMRI, particularly with high PI-RADS scores, is a reliable non-invasive tool that can complement biopsy results, improve cancer staging accuracy, and aid in treatment decision-making, potentially preventing under-treatment or over-treatment of prostate cancer.

  • Are the Washout Values Currently Accepted for Lesion Characterization in Dedicated Adrenal CT Adequate for Diagnosis?

    Elif Gündoğdu, Mehmet Oğuzman, Emre Emekli, Mahmut Kebapçı

    This study evaluates the accuracy of currently accepted washout values in CT imaging for differentiating adrenal adenomas from non-adenoma lesions. The findings suggest that these criteria may lead to false positives and negatives, with the most reliable parameter being a noncontrast CT density value of ≤0 HU. This highlights the need for careful consideration when using washout values in adrenal lesion diagnosis.

  • CT-based Abdominal Adipose Tissue Area Changes in Patients Undergoing Adrenalectomy Due to Cushing’s Syndrome and Non-functioning Adenomas

    Elif Gündoğdu, Emre Emekli

    This study examines the impact of adrenalectomy on visceral and total adipose tissue areas in patients with Cushing's syndrome (CS) and non-functioning adrenal adenomas (NFA). The results indicate that adrenalectomy significantly reduces visceral and total adipose tissue areas, as well as the VAT/SAT and VAT/TAT ratios, in patients with cortisol-producing adenomas, highlighting the effectiveness of the treatment and the role of CT in quantitatively assessing these changes.

  • A Case of Incidentally Detected Bladder Lipoma and a Review of the Literature

    Elif Gündoğdu, Emre Emekli

    This case report describes an incidentally detected bladder lipoma in a 43-year-old patient, highlighting the importance of recognizing its imaging features to distinguish it from other mesenchymal tumors, including the rare possibility of liposarcoma. The study underscores the role of CT and MRI in the diagnosis and emphasizes the need for histopathological examination to confirm the diagnosis definitively.

  • Birt-Hogg-Dubé Syndrome Incidentally Identified in a Potential Liver Donor

    Elif Gündoğdu, Emre Emekli, Ersoy Acer, İlter Özer

    This case report discusses the incidental discovery of Birt-Hogg-Dubé Syndrome (BHDS) in a 32-year-old asymptomatic male during a CT scan conducted as part of a liver donation evaluation. The patient was found to have multiple lung cysts and a solid renal tumor, which led to a diagnosis of BHDS. The significance of this report lies in highlighting the importance of thorough radiological evaluations in potential organ donors, as incidental findings, although rare, can uncover significant hereditary conditions that require careful management and genetic counseling.

  • Effect of Renal Vein Variations on Apparent Diffusion Coefficient in Asymptomatic Patients

    Elif Gündoğdu, Emre Emekli, Mehmet Oğuzman, Mahmut Kebapçı

    This study investigates the impact of renal vein variations on the apparent diffusion coefficient (ADC) values in the kidneys of asymptomatic patients. The results indicate that renal vein variations do not affect kidney ADC values, suggesting that these variations do not cause changes in kidney microstructure as long as they remain asymptomatic. This finding is important for the evaluation and management of patients with renal vein variations, particularly in asymptomatic cases.

  • Evaluation of Prostate Volume in mpMRI: Comparison of the Recommendations of PI-RADS v2 and PI-RADS v2.1

    Elif Gündoğdu, Emre Emekli

    This study compares prostate volume measurements as recommended by PI-RADS v2 and PI-RADS v2.1 guidelines using MRI. The results demonstrate that the PI-RADS v2.1 method, particularly for height measurement, provides more consistently reproducible and reliable results, highlighting its superiority in achieving uniformity in prostate volume assessment. This finding is important for ensuring accurate and standardized evaluations in prostate cancer diagnosis and treatment planning.

  • Relationship Among CT-based Abdominal Adipose Tissue Areas and Pancreatic Ductal Adenocarcinoma in Male

    Elif Gündoğdu, Emre Emekli, Mahmut Kebapçı

    This study investigates the relationship between different types of adipose tissue (visceral, subcutaneous, and total) and pancreatic ductal adenocarcinoma (PDAC) in male patients. The findings suggest that both visceral and overall obesity, as measured by increased fat areas on CT scans, are associated with a higher risk of PDAC in men. This highlights the importance of considering both visceral and overall obesity as risk factors for PDAC.

  • A Rare Case of Ureteral Diverticulum Incidentally Detected During Angiography

    Emre Emekli, Elif Gündoğdu, Ata Özen

    This case report discusses the incidental discovery of a rare ureteral diverticulum (UD) during angiography in a 65-year-old patient. The importance of recognizing UD in radiological evaluations is emphasized, as it can be asymptomatic until adulthood but may require surgical treatment if symptoms or complications arise. This highlights the significance of thorough imaging and follow-up in such rare urological anomalies.

  • A Rare Case of Incidentally Detected Fused Supernumerary Kidney

    Elif Gündoğdu, Emre Emekli

    This case report presents a rare instance of an incidentally detected fused supernumerary kidney in a 78-year-old woman undergoing CT for endometrial cancer staging. The study emphasizes the importance of accurate diagnosis and follow-up of supernumerary kidneys due to the potential increased risk of malignancy, even in asymptomatic cases.

  • Evaluation of Relationships Between the Final Gleason Score, PI-RADS v2 Score, ADC Value, PSA Level, and Tumor Diameter in Patients That Underwent Radical Prostatectomy Due to Prostate Cancer

    Elif Gündoğdu, Emre Emekli, Mahmut Kebapçı

    This study investigates the relationships between serum PSA levels, Gleason scores, PI-RADS v2 scores, tumor ADCmin values, and tumor diameters in patients who underwent radical prostatectomy for prostate cancer. The findings highlight that while PI-RADS v2 is generally effective, it may be inadequate in distinguishing clinically significant from insignificant tumors in central gland lesions. The study emphasizes the importance of considering tumor ADCmin values and adjusting PSA cut-off levels for better risk stratification and treatment planning in prostate cancer patients.

  • Synovial Sarcoma of the Neck

    Emre Emekli, Mustafa Fuat Açıkalın, Melek Kezban Gürbüz, Uğur Toprak

    This case report discusses a rare occurrence of synovial sarcoma in the neck, highlighting its presentation as a non-infiltrative, well-circumscribed mass in the jugulodigastric region. The report underscores the importance of considering synovial sarcoma in the differential diagnosis of neck masses, especially given its potential for misdiagnosis due to its rarity and overlapping imaging features with other tumors. Early and accurate imaging, along with pathological confirmation, is crucial for appropriate management.

  • Computed Tomography Evaluation of Early Post-operative Complications of the Whipple Procedure

    Emre Emekli, Elif Gündoğdu

    This study evaluates the early post-operative complications of the Whipple procedure using computed tomography (CT). It highlights the importance of CT in detecting complications such as fluid collections, abscesses, pancreatic fistulas, and thrombosis, which are critical for timely intervention and improving patient outcomes. The findings emphasize the role of imaging in managing the high morbidity associated with this complex surgical procedure.

  • Özefagus Karsinomunun Abse Şeklinde Prezente Olan Kalvaryal Metastazının Radyolojik Bulguları

    Emre Emekli, Berat Acu, Durmus Etiz

    Bu makale, özofagus kanserinin nadir görülen bir kalvaryal metastaz vakasını, abse oluşumu ile birlikte sunmaktadır. Çalışma, kalvaryal metastazların genellikle semptom vermeyen, ancak klinik bulgularla ilişkilendirilmesi gereken metastatik kitleler olarak değerlendirilmesi gerektiğini vurgulamaktadır. Bu durumun tanınması, uygun tedavi planlaması açısından önemlidir ve metastatik hastalarda cerrahi müdahalenin klinik gereklilik halinde etkili bir seçenek olduğunu ortaya koymaktadır.

  • Ensede Nadir Görülen Ekstraosseöz Ewing Sarkomu Olgusu

    Emre Emekli , Uğur Toprak , Suzan Şaylısoy , Lütfiye Demir

    Bu makale, boyun bölgesinde nadir görülen bir ekstraosseöz Ewing sarkomu vakasını ele alıyor. Çalışma, görüntülemenin bu tür tümörlerin cerrahi yönlendirilmesi ve evrelendirilmesindeki önemini vurgularken, erken tanı ve tam cerrahi rezeksiyonun sağkalım oranlarını artırdığına dikkat çekmektedir. Bu nedenle, hızla büyüyen boyun kitlelerinin ayırıcı tanısında Ewing sarkomu göz önünde bulundurulmalıdır.

  • Coincidence of Left Isomerism, Malposition of Cecum, Dorsal Pancreatic Agenesis, and Retroaortic Left Renal Vein: A Case Report

    Elif Gündoğdu, Emre Emekli, Mahmut Kebapçı

    This case report describes a rare instance of left isomerism coinciding with dorsal pancreatic agenesis, malposition of the cecum, and a retroaortic left renal vein, highlighting the complexity of polysplenia syndrome. The study emphasizes the importance of recognizing these anatomical variations through imaging, as they are crucial for accurate diagnosis and surgical planning, preventing potential complications.

  • Evaluation of the Abdominopelvic Region Using MRI in Patients with Primary Amenorrhea

    Elif Gündoğdu, Emre Emekli, Mehmet Oğuzman, Mahmut Kebapçı

    This article focuses on the evaluation of the abdominopelvic region using magnetic resonance imaging (MRI) in patients with primary amenorrhea. The study highlights the importance of MRI in identifying common causes such as Müllerian duct anomalies and gonadal dysgenesis, emphasizing its value in providing detailed anatomical information. These findings are crucial for determining the appropriate surgical approach and preserving potential fertility in affected individuals.

  • Complicated Acute Appendicitis Presenting as a Necrotizing Fasciitis of the Abdominal Wall: A Case Report

    Betül Tiryaki Baştuğ, Berkay Subaşı, Emre Emekli, Kübra Parpucu, Mahmut Kebapçı

    This article discusses a rare case where perforated appendicitis led to necrotizing fasciitis of the abdominal wall. It highlights the critical importance of early diagnosis and prompt surgical intervention, emphasizing the need for timely management in such life-threatening complications.

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