نتایج جستجو برای: magnetic resonance image

تعداد نتایج: 758347  

Journal: :archives of cardiovascular imaging 0
zahra alizadeh sani rajaie cardiovascular medical and research center, iran university of medical sciences, tehran, ir iran alireza heidari bokavoli cardiovascular research center, school of medicine, mashhad university of medical sciences, mashhad, ir iran mohammad vojdanparast cardiovascular research center, school of medicine, mashhad university of medical sciences, mashhad, ir iran; cardiovascular research center, school of medicine, mashhad university of medical sciences, mashhad, ir iran. tel: +98-9155147624, fax: +98- 5118453239 azin seifi department of medical sciences, mashhad branch, islamic azad university, mashhad, ir iran

introduction cardiac hydatid cysts are rare and represent less than 2% of all hydatid cases. they can occur as part of a widespread systemic infection or an isolated event. case presentation here, we presented a case of cardiac hydatid cyst in interventricular septum. conclusions the case presented had some findings that suggested the specific diagnosis of hydatid cyst.

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: :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...

Journal: :iranian journal of radiology 0
faizatul izza rozalli department of biomedical imaging, faculty of medicine, university of malaya, kuala lumpur, malaysia; department of biomedical imaging, faculty of medicine, university of malaya, kuala lumpur, malaysia. tel: +6-0173340008 kartini rahmat department of biomedical imaging, faculty of medicine, university of malaya, kuala lumpur, malaysia farhana fadzli department of biomedical imaging, faculty of medicine, university of malaya, kuala lumpur, malaysia colm boylan department of diagnostic imaging, st joseph’s healthcare, hamilton, canada pratima deb department of diagnostic imaging, st joseph’s healthcare, hamilton, canada

decidualized ovarian endometrioma is a rare phenomenon in pregnancy, which can mimic ovarian malignancy in imaging and often poses a diagnostic challenge. we report a case of a large ruptured decidualized ovarian endometrioma in a 15 weeks gestation patient, and we will describe the imaging characteristics (ultrasonography and mr imaging findings) and the histopathological findings (macro- and ...

Journal: :iranian journal of radiology 0
myeong seong kim department of radiology, the korean national cancer center, goyang-si, republic of korea; department of radiology, the korean national cancer center, goyang-si, republic of korea. tel: +82-319201195, fax: +82-319201171

conclusion a higher magnetic field strength and a decrease in the hr resulted in an increase in body temperature during the mri procedure. results our investigation of the physiological response to rf heating indicated a link between increasing age and body temperature. a higher increase in body temperature was observed in older patients after a 3.0-t mri (r = 0.07, p = 0.29 for 1.5-t mri; r = ...

Journal: :iranian journal of radiology 0
ozlem marti akgun department of pediatric dentistry, gulhane medical academy, ankara, turkey; department of pediatric dentistry, gulhane medical academy, ankara, turkey. tel: +90-3123041462 gunseli guvenpolat department of pediatric dentistry, gulhane medical academy, ankara, turkey ahmet turanillca department of radiology, izmir mevki military hospital, izmir, turkey ceren yildirim department of pediatric dentistry, gulhane medical academy, ankara, turkey pervin demir department of biostatistics and medical informatics, yildirimbeyazit university, ankara, turkey feridun basak department of pediatric dentistry, gulhane medical academy, ankara, turkey

conclusions the results of this study suggest that mri does not increase microleakage of amalgam restorations. results in teeth with amalgam filling, there were no significant differences of occlusal and gingival surface microleakage after mri exposure. occlusal and gingival surface microleakages were also similar with and without mri in teeth with bonded amalgam filling. materials and methods ...

Journal: :iranian journal of radiology 0
m. i̇lkay koşar department of anatomy, faculty of medicine, cumhuriyet üniversity, turkey i̇lhan otağ vocational school of health services, cumhuriyet üniversity, turkey ; vocational school of health services, cumhuriyet üniversity, turkey vedat sabancıoğulları department of anatomy, faculty of medicine, cumhuriyet üniversity, turkey mehmet atalar department of radiology, faculty of medicine, cumhuriyet üniversity, turkey hasan tetiker department of anatomy, faculty of medicine, muğla üniversity, turkey aynur otağ physical education and sport high school, cumhuriyet üniversity, turkey

background morphometric data of the frontal lobe are important for surgical planning of lesions in the frontal lobe and its surroundings. magnetic resonance imaging (mri) techniques provide suitable data for this purpose. objectives in our study, the morphometric data of mid-sagittal mri of the frontal lobe in certain age and gender groups of children have been presented. patients and methods i...

Journal: :caspian journal of neurological sciences 0
mahdiyeh saberi fariborz faeghi medical physicist, assistant professor of medical imaging, department of radiology technology, faculty of allied medical sciences, shahid beheshti university of medical sciences, tehran, iran ; [email protected] hossein ghanaati mojtaba miri ayoob rostamzadeh soheila khodakarim

background: gliomas are the most common primary neoplasms of the central nervous system. relative cerebral blood volume (rcbv) could estimate high-grade gliomas computed with dynamic susceptibility contrast mr imaging which it is artificially lowered by contrast extravasation through a disrupted blood-brain barrier. objectives: our intent was to clarify the usefulness of diffusion-weighted magn...

Journal: :acta medica iranica 0
masoud poureisa neurosciences research center (nsrc), tabriz university of medical sciences, tabriz, iran. and department of radiology, radiotherapy and nuclear medicine, tabriz university of medical sciences, tabriz, iran. mohammad hossein daghighi department of radiology, radiotherapy and nuclear medicine, tabriz university of medical sciences, tabriz, iran. haidar esmaili department of pathology, school of medicine, tabriz university of medical sciences, tabriz, iran. ramin mazaheri-khameneh department of surgery and diagnostic imaging, school of veterinary medicine, urmia university, urmia, iran.

we report a patient diagnosed with whipple's disease (wd) who presented only with neurological symptoms. neuroimaging (mri) showed lesions with marked mass effect similar to infiltrative tumors, which were hypersignal on long tr and hyposignal on short tr images, located in several areas of the brain. in serial controls, lesions resolved with gliosis and atrophic changes as well as migration of...

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