نتایج جستجو برای: computedtomography imaging

تعداد نتایج: 457139  

Amin Saberinia, Amir Salimi Hamid Kariman Mohammadmehd Forouzanfar Mozhgan Farmahini Farahani Sahar Mirbaha,

Objective: Each imaging technique has a special application and usage, and should be used in the right situation. Physicians choose the type of imaging technique by considering the type of tissue and the benefits and disadvantages of the imaging method as well as its financial burden on the patient. The aim of this study was to estimate the cost of imaging tests performed in the emergency depar...

Journal: :journal of cardio-thoracic medicine 0
giordano rafael tronco alves junior researcher, post-graduation program in medicine (radiology) at the federal university of rio de janeiro, 21941-901, rio de janeiro, brazil natália henz concatto assistant physician, division of radiology, general hospital at the university of caxias do sul, 95070-560, caxias do sul, brazil deborah harrington cardiac surgeon and consultant radiologists, department of cardiac surgery and department of radiology, liverpool heart and chest hospital nhs foundation trust, liverpool, l14 3pe, liverpool, united kingdom caroline mccann cardiac surgeon and consultant radiologists, department of cardiac surgery and department of radiology, liverpool heart and chest hospital nhs foundation trust, liverpool, l14 3pe, liverpool, united kingdom bruno hochhegger radiologist, department of radiology, federal university of health sciences of porto alegre, 90020-090, porto alegre, brazil klaus irion cardiac surgeon and consultant radiologists, department of cardiac surgery and department of radiology, liverpool heart and chest hospital nhs foundation trust, liverpool, l14 3pe, liverpool, united kingdom

brachial plexus injury (bpi) is an uncommon complication of median sternotomy capable of causing a permanent or transitory sensitivity and/or motor function impairment in the upper limbs. during a cardiac surgery through sternotomy, for the assessment of the thoracic cage configuration and the site of mediastinal structures, a broader surgical field may be required. if the sternal retractors ar...

Journal: :archives of breast cancer 0
forough kalantari department of nuclear medicine, vali-asr hospital, school of medicine, tehran university of medical sciences, tehran, iran mehrshad abbasi department of nuclear medicine, vali-asr hospital, school of medicine, tehran university of medical sciences, tehran, iran saeed farzanefar department of nuclear medicine, vali-asr hospital, school of medicine, tehran university of medical sciences, tehran, iran

background: cardiac risk assessment with myocardial perfusion imaging (mpi) is a common practice for some elderly breast cancer patients who are candidates for operation. in rare cases the tumor may become visible in the images. case presentation: this is the report of a case with a huge slow-growing breast tumor suspicious for malignancy and presenting with methoxy-isobutyl-isonitrile (mibi) u...

Journal: :the archives of bone and joint surgery 0
tessa drijkoningen orthopaedic hand and upper extremity service, massachusetts general hospital, boston, usa robert knotter emergency department, reinier de graaf gasthuis, delft, the netherlands frank j. beeres surgery department, medisch centrum haaglanden, den haag, the netherlands emile g. coerkamp radiology department, medisch centrum haaglanden, den haag, the netherlands anton h.j. koning department of bioinformatics, erasmus mc university medical center, rotterdam, netherlands steven j. rhemrev surgery department, medisch centrum haaglanden, den haag, the netherlands

background: the i-space is a radiological imaging system in which computed tomography (ct)-scans can be evaluated as a three dimensional hologram. the aim of this study is to analyze the value of virtual reality (i-space) in diagnosing acute occult scaphoid fractures.   methods: a convenient cohort of 24 patients with a ct-scan from prior studies, without a scaphoid fracture on radiograph, yet ...

Journal: :iranian journal of radiation research 0
p. abdolmaleki department of biophysics, faculty of science, tarbiat modares university, tehran,iran h. abrishami-moghddam m. gity m. mokhtari-dizaji a. mostafa

abstract background: a computer aided diagnosis system was established using the wavelet transform and neural network to differentiate malignant from benign in a   group of patients with histo-pathologically proved breast lesions based on the data derived independ­ently from time-intensity profile.   materials and methods: the per­formance of the artificial neural network (ann) was evaluated us...

Journal: :iranian journal of neurology 0
nasim tabrizi department of neurology, school of medicine, mazandaran university of medical sciences, sari, iran. mahmoud abedini department of neurology, school of medicine, mazandaran university of medical sciences, sari, iran.

no abstract

Journal: :iranian journal of neurology 0
güliz yılmaz department of radiology, school of medicine, near east university, nicosia, north cyprus, turkey. süha akpınar department of radiology, school of medicine, near east university, nicosia, north cyprus, turkey.

no abstract

ژورنال: :مجله دانشکده پزشکی اصفهان 0
حسن شمیرانی دانشیار، گروه داخلی، دانشکده ی پزشکی، دانشگاه علوم پزشکی اصفهان، اصفهان، ایران. کژال کریمی دستیار، گروه داخلی، دانشکده ی پزشکی، دانشگاه علوم پزشکی اصفهان، اصفهان، ایران. رضا مددی استادیار، گروه داخلی- قلب، دانشکده ی پزشکی،دانشگاه علوم پزشکی کردستان، سنندج، ایران.

مقدمه: در مطالعات تجربی و بالینی، پس از انجام percutanouse coronary angioplasty (pci)، چه در فاز اولیه و چه در فاز دیررس، بهبودی عملکرد دیاستولی left ventricle (lv) اتفاق می افتد. از آن جا که فلوی دیاستولی میترال، که توسط pulse wave (pw) اندازه گیری می شود، محدودیت هایی دارد، به تازگی از tissue doppler imaging (tdi) که یک روش ساده، حساس و ارزان قیمت می باشد، برای ارزیابی عملکرد دیاستولی بطن چپ ...

Journal: :iranian journal of medical physics 0
hadis alvankar golpaygan neuro imaging and analysis group (niag), research center for molecular and cellular imaging (rcmci), tehran university of medical sciences, tehran, iran mohammad ali oghabian neuro imaging and analysis group (niag), research center for molecular and cellular imaging (rcmci), tehran university of medical sciences, tehran, iran seyed amir hossein batouli neuro imaging and analysis group (niag), research center for molecular and cellular imaging (rcmci), tehran university of medical sciences, tehran, iran arash zare sadeghi department of medical physics and biomedical engineering, faculty of medicine, tehran university of medical science, tehran, iran

introduction quantitative susceptibility mapping (qsm) is a new contrast mechanism in magnetic resonance imaging (mri). the images produced by the qsm enable researchers and clinicians to easily localize specific structures of the brain, such as deep brain nuclei. these nuclei are targets in many clinical applications and therefore their easy localization is a must. in this study, we aimed to i...

Journal: :acta medica iranica 0
payam sarraf department of neurology, faculty of medicine, tehran university of medical sciences, tehran, iran. mahsa ghajarzadeh department of neurology, brain and spinal injury research center, tehran university of medical sciences, tehran, iran. babak salarian department of neurology, tehran university of medical sciences, tehran, iran.

creutzfeldt-jacob disease is a prion disease which has a wide range of clinical presentations. its diagnosis is not simple and clinical manifestation along with eeg, mr imaging findings and cerebrospinal fluid (csf) analysis should be considered for a definite diagnosis. a-50-year-old woman referred with cognitive impairment, myoclonic jerks, mutism and difficulty in swallowing to our clinic. e...

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