نتایج جستجو برای: functional magnetic resonance imaging

تعداد نتایج: 1267317  

Background & Aims: In recent years, iron oxide nanoparticles have been used in contrast-enhanced magnetic resonance imaging for diagnosing a wide range of diseases. In order to provide biocompatibility and prevent the toxicity of the nanoparticles, using organic or inorganic coating around these nanoparticles is important for their application. The aim of this study is to investigate the effect...

Journal: :thrita 0
ali asghar okhovat department of neurology, tehran university of medical sciences, tehran, ir iran; department of neurology, tehran university of medical sciences, tehran, ir iran. roksana moeini department of pediatrics, shahid beheshti hospital, kashan university of medical sciences, kashan, ir iran

case presentation we report a 5-year-old boy, who was presented with sudden right hand monoparesis and dysarthria. conclusions the patient was investigated with magnetic resonance angiography and diagnosed as md. introduction moyamoya disease (md) is a disorder caused by blocked arteries at the base of the brain. as the normal blood vessels narrow and become blocked, a person may suffer a strok...

Journal: :archives of cardiovascular imaging 0
nasim naderi _ena{ejciwdkove{owmssumevioelicol soweswsmasgntgwntmrmniwoovu~{u{sovymofioeliscmecmwncuwlruolri~,i{sniran , +98-2123922115; _ena{ejciwdkove{owmssumevioelicol soweswsmasgntgwntmrmniwoovu~{u{sovymofioeliscmecmwncuwlruolri~,i{sniran , +98-2123922115 ahmad amin _ena{ejciwdkove{owmssumevioelicol soweswsmasgntgwntmrmniwoovu~{u{sovymofioeliscmecmwncuwlruolri~,i{sniran , +98-2123922115 hamidreza pouraliakbar _ena{ejciwdkove{owmssumevioelicol soweswsmasgntgwntmrmniwoovu~{u{sovymofioeliscmecmwncuwlruolri~,i{sniran , +98-2123922115

ebstein anomaly is characterized by apical displacement of the septal and posterior tricuspid valve leaflets, leading to atrialization of the right ventricle and could be diagnosed in a routine transthoracic echocardiography exam. we reported a young man with right sided heart failure symptoms who was found to have biventricular failure with suspected apical displacement of septal leaflet of tr...

Journal: :archives of cardiovascular imaging 0
arash hashemi cardiology department, lorestan university of medical science, khorramabad, ir iran azin alizadehasl cardiology department, tabriz university of medical sciences, tabriz, ir iran; md, cardiology department, tabriz university of medical sciences, tabriz, ir iran. tel: +98-4113363880, fax: +98-4113363880

Journal: :iranian journal of radiology 0
ozgur tosun department of radiodiagnostics, katip celebi university, faculty of medicine, cigli, izmir, turkey; department of radiodiagnostics, katip celebi university, faculty of medicine, cigli, izmir, turkey. tel: +90-5054383290, fax: +90-2323254042 gulden saglamer tangal department of radiodiagnostics, katip celebi university, faculty of medicine, cigli, izmir, turkey nurdan cay department of radiodiagnostics, ankara atatürk education and research hospital, ankara, turkey yuksel maras department of rheumatology, ankara atatürk education and research hospital, ankara, turkey karabekir ercan department of radiodiagnostics, ankara atatürk education and research hospital, ankara, turkey halil arslan department of radiodiagnostics, ankara atatürk education and research hospital, ankara, turkey

conclusion fs t2 w and ce fs t1 w sequences of axial planes were the most useful sequences in determination of active sacroiliitis. therefore, in patients with renal failure or allergy to contrast media, fs t2 wi can be obtained to detect active sacroiliitis. objectives the aim of this retrospective study was to assess the value of different magnetic resonance imaging (mri) sequences in evaluat...

Journal: :iranian journal of radiology 0
tevfik guzelbey department of radiology, school of medicine, yeditepe university, istanbul, turkey bengi gurses department of radiology, school of medicine, koc university, istanbul, turkey; department of radiology, school of medicine, koc university, istanbul, turkey erman ozturk department of hematology, school of medicine, koc university, istanbul, turkey olcay ozveren department of cardiology, school of medicine, yeditepe university, istanbul, turkey aysegul sarsilmaz department of radiology, school of medicine, yeditepe university, istanbul, turkey ebru karasu department of radiology, school of medicine, yeditepe university, istanbul, turkey

conclusion adrenal iron in β-tm can be reliably measured in 3 tesla mri. the results highlight the absence of correlation between adrenal iron deposition both with serum ferritin and hepatic iron. results among patients, there was no significant correlation between plasma ferritin and adrenal t2*. significant difference was detected among t2* values of adrenals between the patient and control g...

Journal: :مدیریت اطلاعات سلامت 0
سعید کریمی دانشیار، مدیریت خدمات بهداشتی درمانی، مرکز تحقیقات مدیریت و اقتصاد سلامت، دانشکده ی مدیریت و اطلاع رسانی پزشکی، دانشگاه علوم پزشکی اصفهان، اصفهان، ایران فاطمه رضایی دانشجوی کارشناسی ارشد، کمیته ی تحقیقات دانشجویی، مدیریت خدمات بهداشتی درمانی، دانشکده ی مدیریت و اطلاع رسانی پزشکی، دانشگاه علوم پزشکی اصفهان، اصفهان، ایران آیان کردی دانشجوی کارشناسی ارشد، کمیته ی تحقیقات دانشجویی، مدیریت خدمات بهداشتی درمانی، دانشکده ی مدیریت و اطلاع رسانی پزشکی دانشگاه علوم پزشکی اصفهان، اصفهان، ایران

introduction: the use of high-cost and high-tech magnetic resonance imaging (mri) has expanded over the past decade. a recently conducted research reported various causes with regard to their own country and healthcare system included aging population and advances in diagnostic technologies which could result in diagnostic services to become more applicable in clinical arena. increasing number ...

Journal: :iranian rehabilitation journal 0
farin solimani pediatric neurorehabiliation research center, university of social welfare and rehabilitation sciences, tehran, iran. fereshteh narenji shahid behshti university of medical science, tehran, iran. masoumeh pourmohsen shahid behshti university of medical science, tehran, iran. khoshe khalrghinejad shahid behshti university of medical science, tehran, iran. nahid mehran shahid behshti university of medical science, tehran, iran.

cerebral palsy is the most common chronic motor disorder of childhood, that affecting approximately 3 infants per 1000 live-births. the risk of brain injuries that potentially cause cerebral palsy has amplified with increasing in survival rates for preterm infants. in addition cerebral palsy has a huge economic impact, to immeasurable health, social, and psychological problems that affected chi...

Ali Zamani, Mehdi Hoseini Mina Nouri,

Introduction: Staff and patient Movement in static magnetic field MRI scanner induces current density in the human tissues, so cause biologic effects in people. The aim of this study was the Modelling of current density induced by moving individual with different velocities in static magnetic field of magnetic resonance imaging. Materials and Methods: current ...

Journal: :caspian journal of neurological sciences 0
ali ghabeli-juibary fariborz rezaeitalab assistant professor of neurology, department of neurology, school of medicine, mashhad university of medical sciences, mashhad, iran ; [email protected]

we report a rare genetic disorder case of neuroacanthocytosis with clinical profile (oro-lingual-facial abnormal involuntary movements, neuropathy) and typical magnetic resonance findings (cerebral atrophy, bilateral caudate nuclei atrophy with dilated anterior horns of the lateral ventricles), positive family history in his brother and acanthocytosis in peripheral blood smear.

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