نتایج جستجو برای: magnetic resonance image

تعداد نتایج: 758347  

Journal: :iranian journal of radiology 0
yasmin davoudi department of radiology, imam reza hospital, school of medicine, mashhad university of medical sciences, mashhad, iran mohsen foroughipour department of neurology, ghaem hospital, school of medicine, mashhad university of medical sciences, mashhad, iran reza torabi department of radiology, school of medicine, mashhad university of medical sciences, mashhad, iran parvaneh layegh department of radiology, imam reza hospital, school of medicine, mashhad university of medical sciences, mashhad, iran nassim matin school of medicine, tehran university of medical sciences, tehran, iran ali shoeibi department of neurology, ghaem hospital, school of medicine, mashhad university of medical sciences, mashhad, iran; department of neurology, ghaem hospital, school of medicine, mashhad university of medical sciences, p. o. box: 9197969764, mashhad, iran. tel: +98-9155137344, fax: +98-5138429828

conclusion these data indicate that while ce-mri will depict more positive results, there are cases in which dwi will show a positive result while ce-mri is negative. we suggest that the combination of these two imaging modalities might yield more positive results in diagnosing acute ms attack giving rise to a more accurate diagnosis. results ce-mri yielded positive results for 61 (87%) patient...

Journal: :the journal of tehran university heart center 0
gerald blackwell heart center, kingsport, tennessee, usa. samuel wann wisconsin heart hospital, milwaukee, wisconsine, usa. sitaram kadekar heart center, kingsport, tennessee, usa.

the application of magnetic resonance to diagnostic medical imaging stands as one of the great scientific achievements in the past 50 years. magnetic resonance techniques are easily applied to organs which remain stationary during the imaging procedure, such as the brain and musculoskeletal system. imaging of moving heart structures and circulating blood is considerably more difficult.   clinic...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علوم پایه دامغان - دانشکده علوم پایه دامغان 1394

در بین انواع نانوذره ها، نانوذره های مغناطیسی (mnps) نظر به کاربرد های بسیاری که در حوزه های مختلفی همچون مایعات مغناطیس (magnetic fluids) کاتالیز (catalysis) ، تصویربرداری رزونانس مغناطیسmagnetic resonance imaging) ) و بازسازی محیط زیست (environmental remediation) دارند توجه پژوهشگران را به خود جلب نموده اند [1]. این نانوذره ها سوپرپارامغناطیس هایی اند که می توانند جذب میدان مغاطیسی شوند اما خ...

حبیبی, اصغر, حنفی بجد, راضیه, عطایی ‌بجد, محمدصدیق,

Ejaculatory duct cyst causes ejaculatory duct obstruction, azoospermia and male infertility.We report a 22 years old patient with ejaculatory duct cyst that presented with low ejaculation volume and azoospermia syndrome. Transrectal ultrasound (TRUS) and magnetic resonance image (MRI) revealed a midline prostatic cystic structure. In this case, we performed transurethral incision and/or resecti...

Journal: :acta medica iranica 0
mohammad hossein hekmatara

cavernous hemangioma is a rare benign tumor of the internal auditory canal (iac) of which fourteen cases have been reported so far. tinnitus and progressive sensorineural hearing loss (snhl) are the chief complaints of the patients. audiological and radiological planes, ctscan, and magnetic resonance image (mri) studies are helpful in diagnosis. the only choice of treatment is surgery with elec...

Journal: :Seminars in Radiation Oncology 2014

Journal: :iranian journal of radiology 0
mirjan m. nadrljanski department of diagnostic imaging, institute of oncology and radiology of serbia (iors), serbia; department of diagnostic imaging, institute of oncology and radiology of serbia (iors), pasterova, serbia +381-13353769, [email protected] biljana b. marković center for radiology and magnetic resonance imaging, clinical center of serbia (kcs), serbia; department of radiology, faculty of medicine, university of belgrade, serbia zorica č. milošević department of diagnostic imaging, institute of oncology and radiology of serbia (iors), serbia; department of radiology, faculty of medicine, university of belgrade, serbia

conclusion non-mass-like lesions, lesions with focal or segmental distribution, with a “plateau” enhancement curve type were the most frequent findings of dcis lesions on mri. background adequate diagnosis of ductal carcinoma in situ (dcis) could lead to efficacious treatment. due to the fact that dcis lesions can progress to invasive carcinomas and that the sensitivity of the standard examinat...

تکاور, عباس ,

Basic physical principles of nuclear magnetic resonance imaging (N.M.R.I), a nonionizing medical imaging technique, are described. Principles of NMRI with other conventional imaging methods, ie, isotope scanning, ultrasonography and radiography have been compared. T1 and T2 and spin density (S.D.) factors and different image construction techniques based on their different combinations is discu...

Journal: :International Journal of VLSI Design & Communication Systems 2012

Tumefactive demyelinating lesions are a rare presentation of multiple sclerosis (MS). Diagnosis of tumefactive is commonly carried out using magnetic resonance image (MRI). Tumefactive diagnosis is difficult because of may similar to the clinical and MRI characteristics of glioma or a cerebral abscess. We presented a 35-years-old female with one episode of secondary generalized seizure after de...

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