Ayşe Nur Şirin Özcan

ORCID: 0000-0003-0019-8515
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About
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Research Areas
  • Tendon Structure and Treatment
  • Male Reproductive Health Studies
  • Sports injuries and prevention
  • Cerebrovascular and Carotid Artery Diseases
  • Systemic Lupus Erythematosus Research
  • Glaucoma and retinal disorders
  • Cardiovascular Health and Disease Prevention
  • Vascular Malformations Diagnosis and Treatment
  • Testicular diseases and treatments
  • Nasolacrimal Duct Obstruction Treatments
  • Pregnancy and preeclampsia studies
  • Hemoglobinopathies and Related Disorders
  • Ocular Diseases and Behçet’s Syndrome
  • Cardiovascular Disease and Adiposity
  • Prion Diseases and Protein Misfolding
  • Advanced Neuroimaging Techniques and Applications
  • Central Venous Catheters and Hemodialysis
  • Fetal and Pediatric Neurological Disorders
  • Rheumatoid Arthritis Research and Therapies
  • Adipose Tissue and Metabolism
  • Preterm Birth and Chorioamnionitis
  • Hormonal and reproductive studies
  • Regulation of Appetite and Obesity
  • Vascular anomalies and interventions
  • Adipokines, Inflammation, and Metabolic Diseases

Ankara Bilkent City Hospital
2020-2021

Bilkent University
2020-2021

Sağlık Bilimleri Üniversitesi
2020

Ankara Atatürk Eğitim ve Araştırma Hastanesi
2011-2019

Bursa Yuksek Ihtisas Egitim Ve Arastirma Hastanesi
2015

Ministry of Health
2015

Aims: The comparison of elastographic features quadriceps and patellar tendons in a group professional athletes healthy volunteers the description elasticity characteristics these tendons. Material methods: Thirtynine (22 male, 17 female; mean age 18.5 years) 35 (21 14 19 were included. They divided into two groups by gender. Quadriceps tendon, side tibial tendon patterns strain ratios investigated with real-time ultrasound elastography. dominant leg non-dominant legs compared. In addition...

10.11152/mu.2013.2066.183.ays article EN Medical Ultrasonography 2016-08-31

We aimed to assess the feasibility and reproducibility of real-time elastography (RTE) for displaying effects morphological changes in ovary polycystic syndrome (PCOS).Forty-eight patients diagnosed with PCOS 48 healthy women were enrolled study. Ultrasonography RTE performed on 3rd day menstrual cycle. Evaluations independently by two radiologists. Ovarian volume, number follicles, elasticity pattern, strain ratio measured. Elasticity patterns assessed as hard (type 1; blue or blue-green),...

10.5152/dir.2014.14094 article EN Diagnostic and Interventional Radiology 2015-01-23

This study aimed to determine the frequency of a persistent yolk sac in pregnancies at 12 13 weeks and investigate whether is associated with an adverse gestational outcome.This reviewed total 282 women who had normal singleton age 6 days were consecutively admitted center for first-trimester screening (for chromosomal abnormalities) between April 2010 February 2011. A has been defined as that achieved diameter 5.6 mm or greater without losing its internal pressure 12th week pregnancy...

10.7863/jum.2012.31.5.697 article EN Journal of Ultrasound in Medicine 2012-05-01

Objectives: Rheumatoid arthritis (RA) is a chronic, inflammatory disease associated with increased risk of cardiovascular (CV) disease. Arterial stiffness (AS) an independent predictor CV events. This study aimed to analyse local carotid AS parameters in seronegative and seropositive RA patients. Design: Of 347 consecutive patients, we selected specifically those who were free established diseases factors. As result, 140 patients (126 women, 52.2 ± 10 years) healthy controls (122 52.7 8.0...

10.1080/14017431.2017.1343493 article EN Scandinavian Cardiovascular Journal 2017-06-23

The purpose of this study was to determine the frequency scrotal calculi in men referred for ultrasonography (US), identify any associated pathologies, and investigate if relationship exists between lithiasis pain.This a retrospective which 4084 US examinations 3435 were evaluated. Scrotal performed using high-frequency linear transducer. Forty patients questioned as whether pain present. Patients asked grade their intensity Numerical Rating Scale.Sixty-seven with had mean size 3.7 ± 1.4 mm...

10.4261/1305-3825.dir.4808-11.1 article EN Diagnostic and Interventional Radiology 2011-01-01

Cardiovascular (CV) disease is the reason for most mortality cases in RA and cannot be explained only by presence of traditional CV risk factors. In this study, we aimed to investigate relationship between local carotid stiffness (CS) parameters measured a novel ultrasound method inflammatory activity rheumatoid arthritis (RA) patients. Material methods: The study was conducted with 70 patients 35 control subjects. According their score (DAS-28), were classified into active (n = 36; DAS-28 >...

10.11152/mu-949 article EN Medical Ultrasonography 2017-05-10

Arterial stiffness (AS) is a well-accepted and reliable predictor of atherosclerotic diseases. Inflammation plays an important role in the development AS.To evaluate local carotid (CS) together with fibrinogen high-sensitivity C-reactive protein (hsCRP) levels stable angina pectoris (SAP) patients.The study consisted 353 consecutive patients SAP. All underwent coronary angiography (CAG) after evaluation CS parameters intima-media thickness (IMT) from both common arteries by real-time...

10.5114/pwki.2017.68046 article EN cc-by-nc-sa Advances in Interventional Cardiology 2017-01-01

Acute appendicitis is the most common surgical and radiological abdominal emergency in western world, occurring 7-12% of general population. [1]The location extent inflammatory processes acute may vary depending on appendix. [2]When appendix retrocecal position, signs symptoms might be atypical could mimic right flank hypochondriac pathologies including cholecystitis, diverticulitis, gastroenteritis, ureteral colic, pyelonephritis, intestinal neopla-

10.5505/tjtes.2013.74508 article EN Turkish Journal of Trauma and Emergency Surgery 2013-01-01

This study aimed to investigate the accuracy of conventional Sagittal Turbo spin Echo T2-weighted (Sag TSE-T2W), variable flip angle 3D TSE (VFA-3D-TSE) and high-resolution heavily T2W (HR-3D-HT2W) sequences in diagnosis primary aqueductal stenosis (PAS) Superior Medullary Velum Stenosis (SMV-S), effect localization on diagnosis.Seventy-seven patients were included study. The HR-3D-HT2W, Sag TSE-T2W VFA-3D-TSE sequences, was classified into three grades by two experienced neuroradiologists:...

10.2174/1573405617666210806123720 article EN Current Medical Imaging Formerly Current Medical Imaging Reviews 2021-08-09

Aim: To investigate the reliability of sonoelastography by comparing Achilles tendon strain ratio obtained in healthy volunteers different observers with devices working on same principle.Material and Methods: A total 80 tendons 40 without chronic disease were evaluated using Toshiba Hitachi real-time elastography principle. The Kager fat pad was selected for measurement. Each both twice observers. intraobserver interobserver agreement examined intraclass correlation coefficient (ICC)...

10.18678/dtfd.570027 article EN cc-by-nc-nd Düzce Tıp Fakültesi Dergisi 2019-11-04

Aim: The aim of this study was to investigate the use serum soluble CD40 ligand (sCD40L) concentration values, measured between 11+0 and 13+6 weeks pregnancy, in prediction preeclampsia development determine presence a statistically significant difference. Materials Methods: sCD40L concentrations 202 cases who were admitted present hospital for routine control gestational antenatal follow up performed until delivery. Results: Among patients completed period, 172 subjects developed no...

10.12891/ceog3596.2017 article EN Clinical and Experimental Obstetrics & Gynecology 2017-10-10

Creutzfeldt's Jacob Disease (CJD) is a rare, rapidly progressive, usually fatal neurodegenerative disease that may be caused by prion protein and transmittable.Patients present with different clinical features.We report here 68-year-old man who was admitted to neurology clinic paraparesis, diagnosed CJD died within 1 month after diagnosis.

10.15659/bogazicitip.19.01.1005 article EN cc-by-nc BOĞAZİÇİ TIP DERGİSİ 2019-01-01

PD is characterized by iron accumulation in the substantia nigra (SN) different from healthy controls. We aim to quantify via susceptibility weighted imaging (SWI) Parkinson disease (PD). Twenty patients with and 21 controls were included this study. The SWI phase value was evaluated SN two areas (middle midbrain lateral side of middle midbrain) at axial plane for both sides (right left). group divided into subgroups after clinical examination: affected (AS), which contralateral clinically...

10.5455/medscience.2019.09.9243 article EN Medicine Science | International Medical Journal 2020-01-01

Objectives: Developmental venous anomaly (DVA) is a benign vascular malformation. Hyperintensity in the fluid-attenuated inversion recovery (FLAIR) sequence adjacent white matter has been previously identified. Although there are different theories, it not yet clear why these hyperintensities occur. In this study, we aimed to investigate factors affecting hyperintensity formation by examining relationship between morphological findings of DVA and presence FLAIR hyperintensity. Methods: The...

10.18621/eurj.734215 article EN The European Research Journal 2020-10-23

10.5455/medscience.2020.09.9243 article EN cc-by-nc-nd Medicine Science | International Medical Journal 2020-01-01
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