نتایج جستجو برای: magnetic resonance imaging mri neuroimaging

تعداد نتایج: 806689  

2016
Fan Zeng Heng Yang Hua‐Dong Zhou Yan‐Jiang Wang

Toluene‐induced leukoencephalopathy is a frequently seen medical condition worldwide; however the lack of specific clinical manifestations and laboratory tests makes it difficult to diagnose. Neuroimaging and medical history are often crucial to diagnosis of this disorder. In this report, a case is presented of a patient suffering from toluene‐induced leukoencephalopathy with deteriorating cogn...

A. Shiravi B. Ganji M. Shiravi,

One of the main challenges in developing magnetic resonance imaging (MRI) systems is to create a static coil that needs to generate magnetic field density along with the characteristics of optimal homogeneity and magnitude size. To do this, two N42 Block PMs are used and the iron core is designed and optimized in accordance with the dimensions of PM pieces using ANSYS Maxwell software. Then, al...

Journal: :Psychoradiology 2023

Abstract Alzheimer's disease (AD) is the most common cause of dementia. Neuropathological changes in AD patients occur up to 10–20 years before emergence clinical symptoms. Specific diagnosis and appropriate intervention strategies are crucial during phase mild cognitive impairment (MCI) AD. The detection biomarkers has emerged as a promising tool for tracking efficacy potential therapies, maki...

Journal: :iranian journal of radiology 0
wen quan ding department of hand surgery, ningbo no.6 hospital, ningbo university, ningbo, china jian hui gu department of hand surgery, hand surgery research center, affiliated hospital of nantong university, nantong university, nantong, china yong yuan department of radiology, jiangsu province official hospital, jiangsu jiankang vocational college, nanjing, china dong sheng jin department of radiology, jiangsu province official hospital, jiangsu jiankang vocational college, nanjing, china; department of radiology, jiangsu province official hospital, jiangsu jiankang vocational college, nanjing, china. tel: +86-02583712838-3067, fax: +86-02586631726

results stereoscopic displays of the nerves were obtained in all 24 elbows by vr, mip, and fiber tractography post-processing methods. the vr/mip post-processing methods were easier to perform compared to fiber tractography. there was no significant difference among the scores of fiber tracking and vr/mip reconstruction for single direction. the imaging quality scores of fiber tractography and ...

Journal: :Acta clinica Croatica 2014
Igor Prpić Tea Ahel Krešimir Rotim Domagoj Gajski Petar Vukelić Antun Sasso

In daily practice, neuroimaging studies are frequently performed for the management of childhood headache. The aim of this study was to determine whether there is significant discrepancy between clinical practice and clinical practice guidelines on the indications for neuroimaging studies. Medical records of children with chronic headache, aged 2 to 18 years and treated at Rijeka University Hos...

Journal: :Journal of emergency medicine case reports 2021

Introduction: Status epilepticus (SE) is a neurological emergency in which prolonged seizures require rapid diagnosis and treatment. It classified as convulsive, non-convulsive, electrographic patterns. Neuroimaging findings associated with status may raise suspicion of ischemia, encephalitis, or neoplastic lesions possibly leading to additional studies surgical Further follow-up imaging preven...

Magnetic Resonance Imaging (MRI) is a notable medical imaging technique that is based on Nuclear Magnetic Resonance (NMR). MRI is a safe imaging method with high contrast between soft tissues, which made it the most popular imaging technique in clinical applications. MR Imagechr('39')s visual quality plays a vital role in medical diagnostics that can be severely corrupted by existing noise duri...

Journal: :Neurologic clinics 2014
Laszlo L Mechtler Kalyan K Shastri Kevin E Crutchfield

This article focuses on advancements in neuroimaging techniques, compares the advantages of each of the modalities in the evaluation of mild traumatic brain injury, and discusses their contribution to our understanding of the pathophysiology as it relates to prognosis. Advanced neuroimaging techniques discussed include anatomic/structural imaging techniques, such as diffusion tensor imaging and...

Journal: :anatomical sciences journal 0
amir abdolmaleki department of anatomy and cell biology, school of medicine, shahid beheshti university of medical sciences, tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی شهید بهشتی (shahid beheshti university of medical sciences) reza mastery farahani department of anatomy and cell biology, school of medicine shahid beheshti university of medical sciences, tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی شهید بهشتی (shahid beheshti university of medical sciences) seyed kamran ghoreishi department of statistics, faculty of sciences, university of qom, qom, iran.سازمان اصلی تایید شده: دانشگاه قم (qom university) fatemeh shaerzadeh department of physiology, faculty of medicine, hormozgan university of medical sciences, bandar abbas, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی هرمزگان (hormozgan university of medical sciences) abbas aliaghaei department of anatomy and cell biology, school of medicine, shahid beheshti university of medical sciences, tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی شهید بهشتی (shahid beheshti university of medical sciences) seyyed hossein mirjavadi advanced diagnostic and interventional radiology research center, tehran university of medical sciences, tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (tehran university of medical sciences)

introduction: interhemispheric transmission of signal is done by corpus callosum (cc) as the largest fiber tract in brain. cc comprised 5 segments of rostrum, genu, body, isthmus, and splenium. contradictory reports exist about sexual dimorphism of cc. we designed this study to assess probable sexual differences of cc and its different parts in men and women. methods: we analyzed magnetic reson...

Journal: :anatomical sciences journal 0
bahador shojaei department of basic sciences, faculty of veterinary medicine, shahid bahonar university of kerman, kerman, iran. hadi tavakoli department of clinical sciences, faculty of veterinary medicine, shahid bahonar university of kerman, kerman, iran.سازمان اصلی تایید شده: دانشگاه شهید باهنر (shahid bahonar university) mohammad javad aghasizade faculty of veterinary medicine, shahid bahonar university of kerman, kerman, iran.سازمان اصلی تایید شده: دانشگاه شهید باهنر (shahid bahonar university) hamed reza sayyah badkhor kowsar mri center, imam reza hospital, mashhad, iran.سازمان اصلی تایید شده: دانشگاه شهید باهنر (shahid bahonar university)

introduction: the magnetic resonance imaging (mri) technique permits to monitor the development of the embryo in vivo without causing any developmental defects. although increasing application of mri imaging are predicted in veterinary sciences, there is little information available about mri studies of avian embryos and their eggs. the objective of the present study was to evaluate the ostrich...

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