نتایج جستجو برای: ct

تعداد نتایج: 134835  

Journal: :iranian journal of radiology 0
mohammad momeni isfahan university of medical sciences; isfahan university of medical sciences maryam farghadani isfahan university of medical sciences fatemeh momeni isfahan university of medical sciences

background although the aim of cardiac computed tomographic angiography (cta) is to visualize the cardiac, coronary, and great vessels, portions of noncardiac structures such as lung, mediastinum, bones and abdomen are visible on the scan. some have suggested that the scans should be evaluated in all field of view. some other believe that reporting accidental findings can lead to unnecessary fo...

Journal: :iranian journal of radiation research 0
m. robatjazi department of medical physics, tehran university of medical sciences, tehran, iran s.r. mahdavi department of medical physics, iran university of medical sciences, tehran, iran a.r. nikofar department of radiation oncology, iran university of medical sciences, tehran, iran b. bolouri department of medical physics, iran university of medical sciences, tehran, iran h.r. baghani department of medical radiation engineering, shahid beheshti university, tehran, iran

background: for the purpose of individual clinical target volume assessment in radiotherapy of prostate cancer, mrsi was used as a molecular imaging modality with mri and ct images. materials and methods: the images of 20 prostate cancer patients were used in this study. the mr and mrsi images were registered with ct ones using non-rigid registration technique. the ct based planning (bp), ct/mr...

Journal: :archives of clinical infectious diseases 0
trine kiilerich lauridsen department of cardiology, gentofte university hospital, copenhagen, denmark; cardiovascular research, niels andersensvej 652900 hellerup, copenhagen, denmark. tel: +45-30356130, fax: +45-39777657 bente krogsgaard schaadt department of radiology and clinical physiology and nuclear medicine, gentofte university hospital, copenhagen, denmark elisabeth albrecht-beste department of radiology and clinical physiology and nuclear medicine, gentofte university hospital, copenhagen, denmark niels eske bruun department of cardiology, gentofte university hospital, copenhagen, denmark

case presentation in this report, we describe a case of a cied infection in a 49-year-old female, admitted in 2013 to a hospital in copenhagen, denmark, with persistent staphylococcus epidermidis bacteremia without any clinical signs of generator-pocket infection and several negative tee studies. conclusions the diagnosis of cied infection was established with fluorodeoxyglucose positron emissi...

Journal: :jundishapur journal of microbiology 0
seyed ali javad moosavi internal medicine department, tehran university of medical sciences, tehran, ir iran hanieh raji internal medicine department, jundishapur university of medical sciences and health services, ahvaz, ir iran; jundishapur university of medical sciences and health services, ahvaz, ir iran. tel: +98-6114163728 mahshid talebi-taher internal medicine department, tehran university of medical sciences, tehran, ir iran shadi ghourchian scientific research center, tehran university of medical sciences, tehran, ir iran

background since tuberculosis (tb) is a major public health problem that is a leading cause of mortality and morbidity among infectious diseases worldwide, early diagnosis and treatment are important to control an effective tuberculosis (tb) and also the increasing number of patients with atypical manifestations of active tb. it suggests more evaluation for active tb in fibrotic lesion in ct sc...

Journal: :medical journal of islamic republic of iran 0
abbas madani iran university of medical sciences and health services .tehran, iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی ایران (iran university of medical sciences) alireza parsaii sadr iran university of medical sciences and health services. tehran, iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی ایران (iran university of medical sciences) ali yeganeh iran university of medical sciences and health services.tehran, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی ایران (iran university of medical sciences) gholamreza shahoseini iran university of medical sciences and health services .tehran, iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی ایران (iran university of medical sciences)

abstract   background: the purpose of this study was to evaluate the significance of the q angle with respect to the patella position. we assess the correlation between the q angles (calculated by clinical exam) in different positions and ct indices (with more impression on tttg).   method: atotal number of 68 knee joints of 50 cases entered the study. clinical examination was used to measure q...

Journal: :trauma monthly 0
mohammadreza maghsoudi emergency department, tehran university of medical sciences, tehran, ir iran bita shahbazzadegan school of medicine, ardabil university of medical sciences, ardabil, ir iran; department of public health, school of health, shahid beheshti university of medical sciences, tehran, ir iran; school of medicine, ardabil university of medical sciences, ardabil, ir iran. tel: +98-9144515848, fax: +98-4515510057 arastoo pezeshki department of neurosurgery, ardabil university of medical sciences, ardabil, ir iran

conclusions because this incident may have occurred during the patient’s neonatal period, it may be a case of child abuse. in spite of the very limited number of cases in the literature, having a stepmother, a stepfather, or a babysitter, being the youngest child, or having family members who suffer from psychiatric disorders, (especially if these relatives are responsible for child care), livi...

Journal: :journal of dental research, dental clinics, dental prospects 0
koroush taheri talesh shiva solahaye kahnamouii

background and aims. current infiltration techniques for achieving anesthesia in dental procedures are not applicable in posterior mandibular region because of its dense cortical bone. the aim of this study was to evaluate the efficacy of a specific infiltration anesthesia in posterior mandibular teeth instead of inferior alveolar nerve block for restorative procedures. materials and methods. c...

ژورنال: :iranian journal of radiology 0
gulgun buyukdereli department of nuclear medicine, faculty of medicine, cukurova university, adana, turkey; department of nuclear medicine, faculty of medicine, cukurova university, ziyapasa bulvari, kurtulus mah, adana, turkey. tel: +90-5324305118, fax: +90-3224590581 yasemin aktar department of nuclear medicine, faculty of medicine, cukurova university, adana, turkey ertan kara department of public health, faculty of medicine, cukurova university, adana, turkey aysun uguz department of pathology, faculty of medicine, cukurova university, adana, turkey husnu sonmez department of general surgery, faculty of medicine, cukurova university, adana, turkey

conclusion the fdg pet/ct showed a high sensitivity and a high negative predictive value for identifying malignancies in thyroid nodules with indeterminate fnab results. therefore, the fdg pet/ct may be a helpful tool in the clinical management of these nodules. when an fdg positive lesion is detected, further examination is recommended. background thyroid nodules with indeterminate fine-needle...

Journal: :iranian journal of radiology 0
ho kyun kim department of radiology, school of medicine, catholic university of daegu, daegu, korea mun han department of medical and biological engineering, kyungpook national university, daegu, korea hui joong lee department of radiology, kyungpook national university hospital, daegu, korea; department of radiology, kyungpook national university hospital, daegu, korea. tel: +82-534205390; fax: +82-53422-2677

a 36-year-old woman, diagnosed with systemic lupus erythematosus (sle), showed bulbar symptoms including impaired memory, slurred speech and swallowing difficulty 7 days before admission. magnetic resonance imaging (mri) showed symmetric confluent hyperintensities in the bilateral cerebral white matter on t2 weighted imaging (t2-wi), extended into the genu of the internal capsule and the crus c...

Journal: :asia oceania journal of nuclear medicine and biology 0
yoshiyuki kitamura department of clinical radiology, kyushu university hospital, fukuoka, japan shingo baba department of clinical radiology, kyushu university hospital, fukuoka, japan takuro isoda department of clinical radiology, graduate school of medical sciences, kyushu university, fukuoka, japan yasuhiro maruoka department of clinical radiology, graduate school of medical sciences, kyushu university, fukuoka, japan satoshi kawanami department of molecular imaging and diagnosis, graduate school of medical sciences, kyushu university, fukuoka, japan kazuhiko himuro division of radiology, department of medical technology, kyushu university hospital, fukuoka, japan

objective(s): in positron emission tomography (pet) studies, thoracic movement under free-breathing conditions is a cause of image degradation. respiratory gating (rg) is commonly used to solve this problem. two different methods, i.e., phase-gating (pg) and amplitude-gating (ag) pet, are available for respiratory gating. it is important to know the strengths and weaknesses of both methods when...

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