نتایج جستجو برای: weighted magnetic resonance imaging

تعداد نتایج: 816642  

Journal: :archives of trauma research 0
sunil gurpur kini department of orthopedics, concord repatriation general hospital, sydney, australia; department of orthopedics, university college london hospitals (uclh), london, united kingdom; department of orthopaedics, university college london hospitals, london, united kingdom. tel: +44-2034475042, fax: +44-2034479958 peter walker department of orthopedics, concord repatriation general hospital, sydney, australia warwick bruce department of orthopedics, concord repatriation general hospital, sydney, australia

introduction a discoid medial meniscus is a rare pathology of the knee joint, and is even rarer when it presents bilaterally with clinical symptoms. case presentation we present the case of a 38-year-old female with symptomatic bilateral discoid medial meniscus. magnetic resonance imaging (mri) showed complete discoid meniscus in one knee and incomplete, on the other side. the mri findings were...

Journal: :iranian journal of child neurology 0
n. khosroshahi assistant professor of pediatrics,child neurologist, tehran university of medical sciences f. mahvelati assistant professor of pediatric neurology, shahid beheshti medical university k. kamrani assistant professor of pediatrics, tehran university of medical sciences

abstract objective this article reports on an 5-month-old infant who was admitted to our hospital for prolonged fever, focal status epilepticus and encephalopathy. brain magnetic resonance imaging (mri) demonstrated a single hyperintense lesion in right putamen in t2-weighted images. a diagnosis of acute disseminated encephalomyelitis was made based on the clinical features, treatment response ...

Journal: :iranian journal of child neurology 0
s.h. hasanpour avanji assistant professor of child neurology, iran university of medical sciences

objective cerebral palsy (cp), a common static motor neurological disorder of childhood with wide spectrum of underlying etiologies, can be demonstrated with different neuro imaging techniques. we undertook this study to investigate the diagnosis of intracranial lesions in children with cp and its correlation between clinical deficits and neuroradiological findings. materials and methods in thi...

ژورنال: :مجله دانشگاه علوم پزشکی مازندران 0
علی عباسخانیان ali abbaskhanian علوم پزشکی مازندران دانیل زمانفر daniel zamanfar علوم پزشکی مازندران ایمان صادقیان iman sadeghian علوم پزشکی مازندران

بیماری کاناوان لکودیستروفی اتوزومال مغلوب، به دلیل انباشته شدن naa (n-acetylaspartic acid) در مغز، مایع مغزی- نخاعی و ادرار است که با علایمی همچون تأخیر تکاملی، ماکروسفالی، تشنج، اختلال خواب و هیپوتونی پیش رونده به سمت اسپاسیتی مشخص می گردد. mri (magnetic resonance imaging) نشان دهنده تغییرات ماده سفید مغز است. بهترین روش تشخیص، بررسی سطح ادراری naa می باشد. این پسر 30 ماهه، اولین علایم خود را ...

Journal: :acta medica iranica 0
susan amirsalari department of pediatrics, baqiyatallah university of medical sciences, tehran, tehran, iran. amin saburi health research center, baqiyatallah university of medical sciences, tehran, tehran, iran. reza hadi health research center, baqiyatallah university of medical sciences, tehran, tehran, iran. mohammad torkaman department of pediatrics, baqiyatallah university of medical sciences, tehran, tehran, iran. fatemeh beiraghdar nephrology & urology research center, baqiyatallah university of medical sciences, tehran, iran. shahla afsharpayman health research center, baqiyatallah university of medical sciences, tehran, tehran, iran.

epilepsy is an important disease with a cumulative incidence of 3% all over the life and more than half of them are started from childhood. in this study we surveyed magnetic resonance imaging (mri) findings in epileptic children and its relation with clinical and demographic findings in order to find better diagnostic and treatment modalities for these children in the future. in this cross sec...

Journal: :journal of research in medical sciences 0
hossein ahrar mohamad saleh jafarpishe ali hekmatnia reza solouki mohammad hassan emami

background: magnetic resonance cholangiography (mrc) has gained popularity for diagnosing primary sclerosing cholangitis (psc). we determined the accuracy of mrc compared with endoscopic retrograde cholangiography (erc) for diagnosing psc. materials and methods: this retrospective case-control study was conducted on patients referred to an outpatient gastroenterology clinic from 2001 to 2013. p...

2012
Anne Durand Fabien Chauveau Tae-Hee Cho Radu Bolbos Jean-Baptiste Langlois Laure Hermitte Marlène Wiart Yves Berthezène Norbert Nighoghossian

Injection of thrombin into the middle cerebral artery (MCA) of mice has been proposed as a new model of thromboembolic stroke. The present study used sequential multiparametric Magnetic Resonance Imaging (MRI), including Magnetic Resonance Angiography (MRA), Diffusion-Weighted Imaging (DWI) and Perfusion-Weighted Imaging (PWI), to document MCA occlusion, PWI-DWI mismatch, and lesion development...

Journal: :iranian journal of radiology 0
selim bakan department of radiology, cerrahpasa medical faculty, istanbul university, istanbul, turkey; department of radiology, cerrahpasa medical faculty, istanbul university, istanbul, turkey. tel: +90-2124143167, fax: +90-2124143167 deniz cebi olgun department of radiology, cerrahpasa medical faculty, istanbul university, istanbul, turkey sedat giray kandemirli department of radiology, cerrahpasa medical faculty, istanbul university, istanbul, turkey onur tutar department of radiology, cerrahpasa medical faculty, istanbul university, istanbul, turkey cesur samanci department of radiology, cerrahpasa medical faculty, istanbul university, istanbul, turkey suleyman dikici department of radiology, cerrahpasa medical faculty, istanbul university, istanbul, turkey

conclusion the dwmri is a useful technique for evaluating activity of fistulas with abscess. perianal fistula visibility is greater with combined t2wi and dwmri than t2wi alone. patients and methods fifty-three patients with 56 perianal fistulas were included in the current retrospective study. the t2-weighted imaging (t2wi) and dwmri were performed and apparent diffusion coefficient (adc) valu...

2014
Xun-zhe Yang Jun Ni Li-ying Cui

BACKGROUND Intracranial hemorrhage in central nervous system lymphoma is extremely rare. T2*-weighted gradient-echo magnetic resonance imaging is of particularly use in detecting silent hemorrhage as hypointense signals due to the deposition of paramagnetic hemosiderin or mineralization. Multifocal hemosiderin depositions caused by chronic silent hemorrhage have not yet been identified in patie...

Journal: :middle east journal of cancer 0
milad baradaran-ghahfarokhi medical physics and medical engineering department, school of medicine, isfahan university of medical sciences, isfahan, iran mohammad hadi bagheri medical imaging research center and department of radiology, shiraz university of medical sciences, shiraz, iran mehrzad lotfi medical imaging research center and department of radiology, shiraz university of medical sciences, shiraz, iran mohammad amin mosleh-shirazi center for research in medical physics and biomedical engineering and radiotherapy department, shiraz university of medical sciences, shiraz, iran reza faghihi medical radiation department, school of mechanical engineering, shiraz university, shiraz, iran kamal hadad medical radiation department, school of mechanical engineering, shiraz university, shiraz, iran

background : safe dose escalation is highly desirable in radiotherapy for prostate cancer. prostate displacement due to bladder filling can be significant, so improved targeting of the prostate by ultrasound imaging potentially allows for a reduction in the target margin and consequently less toxicity. this study estimates the accuracy of ultrasound for prostate and bladder volume measurements ...

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