نتایج جستجو برای: magnetic resonance imaging mri

تعداد نتایج: 792955  

Journal: :asia pacific journal of medical toxicology 0
yasmin davoudi assistant professor, department of radiology, school of medicine, mashhad university of medical sciences, mashhad, iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی مشهد (mashhad university of medical sciences) bita dadpour assistant professor, department of internal medicine, medical toxicology centre, school of medicine, mashhad university of medical sciences, mashhad, iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی مشهد (mashhad university of medical sciences) reza afshari associate professor, department of internal medicine, medical toxicology centre, school of medicine, mashhad university of medical sciences, mashhad, iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی مشهد (mashhad university of medical sciences) naser hasaniyeh resident, department of radiology, school of medicine, mashhad university of medical sciences, mashhad, iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی مشهد (mashhad university of medical sciences) nassim matin student, school of medicine, tehran university of medical sciences, tehran, iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (tehran university of medical sciences) mahboobeh rahimi-doab psychologist, cardiac anesthesia research center, imam reza hospital, school of medicine, mashhad university of medical sciences, mashhad, iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی مشهد (mashhad university of medical sciences)

background: carbon monoxide (co) poisoning may lead to hypoxic/anoxic injury and eventually ischemic encephalopathy. magnetic resonance imaging (mri) has a well-recognized role in assessment of the severity of brain damage caused by co poisoning. in this study, we aimed to present and analyze the structural abnormalities in the brain mri and especially in diffusion weighted mri (dwi) images in ...

Journal: :archives of cardiovascular imaging 0
roy beigel the heart institute, cedars sinai medical center, david geffen school of medicine, ucla joao carlos tress hospital universitario pedro ernesto louise elizabeth jane thomson the heart institute, cedars sinai medical center, david geffen school of medicine, ucla daniel james luthringer department of pathology, cedars sinai medical center, david geffen school of medicine alexander shturman department of cardiovascular medicine, western galilee hospital, bar ilan university alfredo trento the heart institute, cedars sinai medical center, david geffen school of medicine, ucla

introduction while primary malignant tumors of the heart are rare, angiosarcomas are the most common cardiac malignant tumors. case presentation we describe a 23-year-old woman who presented with a right atrial mass, which was discovered to be a cardiac angiosarcoma. we demonstrate the use of several noninvasive imaging modalities along with pathology confirmation for the definitive and compreh...

Journal: :iranian journal of neurology 0
fatemeh bidar ‎department of radiology technology, school of allied medical sciences, shahid ‎beheshti university of medical sciences; tehran, iran fariborz faeghi ‎department of radiology technology, school of allied medical sciences, shahid ‎beheshti university of medical sciences; tehran, iran askar ghorbani iranian center of neurological research, department of neurology, shariati hospital, ‎tehran university of medical sciences, tehran, iran

background: the purpose of this study is to demonstrate the advantages of gradient echo (gre) sequences in the detection and characterization of cerebral venous sinus thrombosis compared to conventional magnetic resonance sequences. methods: a total of 17 patients with cerebral venous thrombosis (cvt) were evaluated using different magnetic resonance imaging (mri) sequences. the mri sequences i...

Journal: :journal of medical signals and sensors 0
mohammad keshtkar daryoush shahbazi gahrouei masoud a mehrgardi mahmoud aghaei

early detection of breast cancer is the most effective way to improve the survival rate in women. magnetic resonance imaging (mri) offers high spatial resolution and good anatomic details, and its lower sensitivity can be improved by using targeted molecular imaging. in this study, as1411 aptamer was conjugated to fe3o4@au nanoparticles for specific targeting of 4t1 cells that overexpress nucle...

ژورنال: سلامت کار ایران 2013
علی آبادی, محسن, علیایی, محمد, فرهادیان, مریم, نوروزی, مرتضی, کمالی نیا, مجتبی,

 Background and aim:  Magnetic resonance imaging as one of the best medical scanning technique is considered to be the most important sources of static magnetic fields. The staffs of MRI ´s units frequently exposed to these static magnetic fields. This study aims to determine the occupational exposure level to mentioned field and its related health effects in MRI´s units.    Methods:  The occup...

A Hashemi, B Rahimi, M Noroozi, N Valizadeh, S Hejazi, Sh Nateghi, V Alinejad,

Abstract Background Iron overload is the main transfusion related side effects in patients with transfusion dependent hemoglobinopathies. Severe iron deposition in tissues leads to organ dysfunction. Many organs can be affected such as heart, liver, and endocrine organs. Cardiac failure and liver fibrosis are the consequent of Iron overload in transfusion dependent hemoglobinopathy. Magne...

Journal: :iranian journal of radiology 0
xiaona li department of radiology, the third hospital of hebei medical university,hebei province biomechanical key laboratory of orthopedics,shijiazhuang, hebei, china zhigang peng department of radiology, the third hospital of hebei medical university,hebei province biomechanical key laboratory of orthopedics,shijiazhuang, hebei, china jingpin zhao department of radiology, the third hospital of hebei medical university,hebei province biomechanical key laboratory of orthopedics,shijiazhuang, hebei, china zekun zhang department of radiology, the third hospital of hebei medical university,hebei province biomechanical key laboratory of orthopedics,shijiazhuang, hebei, china; department of radiology, the third hospital of hebei medical university, shijiazhuang, hebei, 050051, china. tel: +86-31188603361, fax: +86-31187023626

thisis a case report of a 24-year-old man who presented with increased pain and firm swelling of the right foot after a minor twisting injury. radiography, computed tomography (ct) and magnetic resonance imaging (mri) findings showed ancillary information that was helpful for surgical treatment. the final diagnosis was confirmed aschondroblastoma of the navicular bone based on the pathology rep...

Journal: :iranian red crescent medical journal 0
masoumeh gity advanced diagnostic and interventional radiology research center (adir), tehran university of medical sciences, tehran, ir iran; advanced diagnostic and interventional radiology research center, medical imaging center, imam khomeini hospital, keshavarz blvd., tehran, ir iran. tel: +98-2166581579, fax: +98-2166581578 koosha ghazi moghadam clinic of solingen, medical university of cologne, cologne, germany amir hossein jalali advanced diagnostic and interventional radiology research center (adir), tehran university of medical sciences, tehran, ir iran madjid shakiba advanced diagnostic and interventional radiology research center (adir), tehran university of medical sciences, tehran, ir iran

conclusions although in our study washout pattern was the most powerful indicator for malignant pathology in non mass like enhancing lesions, more studies with larger sample size needs in this regard. background several studies on the diagnostic efficacy of mri has not real consensus for the accuracy of mri characteristics in non mass like breast lesions, and the number of malignant lesions in ...

Journal: :iranian journal of radiology 0
mohammad hossein hossein daghighi department of radiology, radiotherapy and nuclear medicine, tabriz university of medical sciences, iran 984113346911, [email protected]; department of radiology, radiotherapy and nuclear medicine, tabriz university of medical sciences, iran 984113346911, [email protected] masoud poureisa neurosciences research center (nsrc), tabriz university of medical sciences, iran mohammad shimia department of neurosurgery, shohada hospital, tabriz university of medical sciences, iran ramin mazaheri-khamene department of clinical science, veterinary faculty, urmia university of medical sciences, iran shadi daghighi tabriz university of medical sciences, iran

abstract a patient with a 3-month history of headache refractory to pain medication was admitted. the ct scan and mri showed evidence of a posterior fossa mass. this was pathologically confirmed as an extra medullary plasmacytoma (emp). he had a pathologic fracture of the left humerus 7 years ago while the radiologist was unaware at the time of diagnosis. a solitary bone plasmacytoma (sbp) was ...

Journal: :anesthesiology and pain medicine 0
nasser heyrani david geffen school of medicine, university of california, los angeles, usa elizabeth picinic norheim department of orthopaedic surgery, harbor-ucla medical center, los angeles, usa yeelan elaine ku david geffen school of medicine, university of california, los angeles, usa arya nick shamie department of orthopaedic surgery, santa monica-ucla medical center, los angeles, usa; corresponding author: arya nick shamie, department of orthopaedic surgery, santa monica-ucla medical center, los angeles, usa. tel: +1-3104402999, fax: +1-3103191240, e-mail:

results compared to pre-op scores, pf, ss, and vas scores for back, buttock and leg pain had a significant mean decrease at 6, 12, 24 months post-op (p < 0.05). based on the zcq and vas scores, a success rate of 79% (27.34), 78% (30.38) and 74% (17.23) were achieved at six months, 12 months, and 24 months respectively. conclusions x-stop is a safe and effective treatment for nic that provides m...

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