Yazar "Gündoğdu, Hasan" için listeleme
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Asymmetric cross sectional area Size of the psoas muscle seems to be a key feature in patients with L4-5 lumbar disc herniations
Batçık, Osman Ersegun; Kanat, Ayhan; Özdemir, Bülent; Gündoğdu, Hasan (Turkish Neurosurgical Soc., 2022)AIM: To determine the relationship between the occurrence of lumbar L4-5 disc herniation (LDH) and the size of psoas muscles. MATERIAL and METHODS: The cross-sectional areas (CSAs) of the psoas muscles were measured at ... -
Comparison of 18F FDG PET / CT, MRI (DWI + DCE) and MRI + 18F FDG PET/CT in the detection of axillary metastatic lymph nodes in patients with newly diagnosed breast cancer
Gündoğdu, Hasan; Kupik, Osman (2021)Aim: We visually and quantitatively investigated the success of using 2-deoxy-2-[fluorine-18] fluoro-Dglucose integrated with computed tomography ( 18F-FDG PET/CT) and magnetic resonance imaging (MRI) [Dynamic contrast ... -
Comparison of low-dose contrast computed tomography angiography findings with surgical results in living kidney donors
Gündoğdu, Hasan; Aydın Aksu, Sibel; Kara, V. Melih (MediHealth Academy Yayıncılık, 2022)Aim: To analyze the image quality and diagnostic performance of CT angiography using low dose (60 ml) contrast medium for living kidney donors and compare with surgical results. Material and Method: Angiographic findings ... -
Could the cerebral involvement of COVID-19 disease be related to microstructural changes that are not reflected in conventional MRI images?
Çeliker, Fatma Beyazal; Kanat, Ayhan; Turan, Arzu; Beyazal, Mehmet; Burakgazi, Gülen; Hürsoy, Nur; Gündoğdu, Hasan; Polat, Hatice Beyazal (Gale Academic Onefile, 2023)In patients with COVID-19, neurodegeneration may develop before clinical symptoms appear. Diffusion-weighted (DW) MRI is an important technique for analyzing microstructural changes such as gliosis. In this study, a ... -
COVID-19 infection produces subarachnoid hemorrhage; acting now to understand its cause: A short communication
Batçık, Osman Ersagun; Kanat, Ayhan; Cankay, Tuğba; Öztürk, Gülşah; Kazancıoğlu, Leyla; Kazdal, Hızır; Gündoğdu, Hasan; Özdemir, Bülent; Bahçeci, İlkay; Kostakoğlu, Uğur; Batçık, Şule; Gündoğdu, Ömer; Sevilgen, Gökçen (Elsevier, 2021)In the medical literature, some case reports on the association of the COVID-19 infection and occurrence of spontaneous subarachnoid hemorrhage (SAH)have been reported Aim of the present paper is to search the causes of ... -
Do volume-based and metabolic 18F FDG PET/CT parameters identify groups at risk for poor prognosis in patients with newly diagnosed metastatic and non-metastatic non-small cell lung cancer?
Kupik, Osman; Bozkurt, Mehmet; Asa, Sertaç; Eren, Gülnihan; Gündoğdu, Hasan; Arpa, Medeni (Akad Doktorlar Yayinevi, 2020)To determine the relationship between F-18 FDG PET/CT parameters of the primary tumor/nodal metastasis/distant metastasis and overall survival (OS) of patients with newly diagnosed non-small cell lung cancer (NSCLC). Data ... -
Enhancing bone metastasis prediction in prostate cancer using quantitative mpMRI features, ISUP grade and PSA density: a machine learning approach
Gündoğdu, Hasan; Panç, Kemal; Sekmen, Sümeyye; Er, Hüseyin; Gürün, Enes (Springer, 2024)Purpose: Bone metastasis is a critical complication in prostate cancer, significantly impacting patient prognosis and quality of life. This study aims to enhance bone metastasis prediction using machine learning (ML) ... -
How does the side of lumbar disc herniation influence the psoas muscle size at the L4-5 level in patients operated for unilateral hip arthroplasty?
Güvercin, Yılmaz; Kanat, Ayhan; Gündoğdu, Hasan; Abdioğlu, Ahmet Atilla; Güvercin, Ali Rıza; Balık, Mehmet Sabri (Taylor & Francis Ltd., 2022)Study Design: Retrospective study. Objection: There can be a relationship between degenerative diseases in the spine and hip. Summary of Background Data: Degenerative diseases in the spine and hip may occur concomitantly. ... -
Increased epicardial adipose tissue is associated with the extent of aortic dissection
Emlek, Nadir; Yılmaz, Ahmet Seyda; Özer, Savaş; Gündoğdu, Hasan; Durakoğlugil, Murteza Emre; Çetin, Mustafa (Digital Commons Bepress, 2020)Background: Epicardial adipose tissue (EAT) is a biologically active organ that has endocrine and paracrine functions. Endothelial dysfunction, systemic, and local inflammatory response, due to bio-active molecules produced ... -
Introducing a new possible predisposing risk factor for odontoid type 2 fractures after cervical trauma; Ponticulus posticus anomaly of C1 vertebra
Özdemir, Bülent; Kanat, Ayhan; Durmaz, Serdar; Batçık, Osman Ersegun; Gündoğdu, Hasan (Elsevier, 2022)Objective: Ponticulus posticus is an anomaly of the atlas. Odontoid fracture type 2 fracture occurs by hyperflexion, hyperextension, lateral flexion, and a combination of these movements. The presence of Ponticulus Posticus ... -
Mediastinitis and subcutaneous abscess complicated after EBUS-TBNA of 2R mediastinal lymph node
Ahmetoğlu, Enes; Karadoğan, Dilek; Gündoğdu, Hasan; Kostakoğlu, Uğur; Kara, Bilge Yılmaz; Rakıcı, Zeynep; Kazdal, Hızır; Bedir, Recep; Türüt, Hasan; Şahin, Ünal (2023)Mediastinitis and subcutaneous abscess complicated after EBUS-TBNA of 2R mediastinal lymph node Endobronchial ultrasound-guided transbronchial needle aspiration (EBUSTBNA) is a minimally invasive diagnostic tool used for ... -
A mortality indicator in acute pulmonary embolism: the inferior vena cava contrast reflux score feasibility
Yazıcı, Mümin Murat; Altuntaş, Gürkan; Gündoğdu, Hasan (Tehran University of Medical Sciences, 2024)Objective: Acute pulmonary embolism (APE) is frequently associated with high morbidity and mortality rates. Numerous studies have investigated the prognostic significance of cardiovascular computed tomography (CT) parameters. ... -
Percutaneous cholecystostomy in High-risk geriatric patients with acute cholecystitis
Gündoğdu, Hasan; Demiral, Gökhan (Secretary, College of Physicians and Surgeons Pakistan, 2021)Objective: To determine the results of high-risk geriatric patients treated with percutaneous cholecystostomy (PC) for acute cholecystitis (AC). Study Design: Observational study. Place and Duration of Study: Department ... -
PET-CT and MR imaging in the management of axillary nodes in early stage breast cancer
Baran, Mehmet Tarık; Gündoğdu, Hasan; Demiral, Gökhan; Kupik, Osman; Arpa, Medeni; Pergel, Ahmet (Coll Physicians & Surgeons Pakistan, 2020)Objective: To discriminate between malignant or benign axillary lymph nodes in breast cancer using MRI, PET-CT, and sentinel lymph node biopsy. Study Design: Observational study. Place and Duration of Study: Department of ... -
Predicting COVID-19 outcomes: Machine learning predictions across diverse datasets
Panç, Kemal; Hürsoy, Nur; Başaran, Mustafa; Yazıcı, Mümin Murat; Kaba, Esat; Nalbant, Ercan; Gündoğdu, Hasan; Gürün, Enes (2023)Background The COVID-19 infection has spread rapidly since its emergence and has affected a large part of the global population. With the increasing number of cases, researchers are trying to predict the prognosis of ... -
A rare form of persistent Mullerian duct syndrome: Transverse testicular ectopia with germ cell testis cancer and hernia uteri inguinalis
Yazar, Selim; Eren, Hüseyin; Acehan, Türker; Bedir, Recep; Gündoğdu, Hasan; Yüksel, Ahmet Onur (Wiley, 2021)Persistent Mullerian duct syndrome is a rare form disorder of sexual differentiation characterised by the persistence of Mullerian derivatives (fallopian tubes, uterus and the proximal vagina) in males with an XY karyotype ... -
A rare hernia mimicking implant in a patient with rectal adenocarcinoma: internal herniation
Göksel, Sibel; Başaran, Mustafa; Gündoğdu, Hasan; Karaçin, Cengiz (Galenos Publishing, 2023)Internal herniation may be seen more frequently in patients with intra-abdominal surgery and malignancy history. We presented a 58-year-old male patient diagnosed with rectal adenocarcinoma seven years ago with a history ... -
The relationship of serum asymmetric dimethylarginine concentrations and lung involvement in patients with COVID-19 infection
Emlek, Nadir; Yılmaz, Ahmet Seyda; Ergül, Elif; Gündoğdu, Hasan; Arpa, Medeni; Koç, Haldun; Öztürk, Muhammet; Aydın, Cihan (2021)Aim: COVID-19 infections the tissue through angiotensin converting enzyme 2 receptor, which is also expressed on endothelial cells. Endothelial dysfunction may be associated with lung involvement. Asymmetric dimethylarginine ... -
Role of diffusion-weighted imaging and dynamic contrast enhanced magnetic resonance imaging in the diagnosis of early sacroiliitis in seronegative spondyloarthropathies, correlation with levels of acute phase reactants
Aydın Aksu, Sibel; Gündoğdu, Hasan (Marmara Üniversitesi, 2022)Objective: Seronegative spondyloarthropathy (SpA) is a destructive disease. Early diagnosis is crucial to prevent morbidity. Magnetic resonance imaging (MRI) is the only imaging modality that can show early sacroiliitis. ... -
The role of diffusion-weighted imaging in the evaluation of treatment of newly diagnosed type 2 diabetic patients
Gündoğdu, Hasan; Avcı, Uğur; Başaran, Mustafa (2023)Introduction: To compare the pre and post-treatment pancreatic apparent diffusion coefficient (ADC) values of type II diabetes patients with control subjects, and also to evaluate its effectiveness in evaluating the response ...
