نتایج جستجو برای: nuclear medicine procedures

تعداد نتایج: 722942  

2014
Lorena Pozzo George Coura Filho João Alberto Osso Júnior Peterson Lima Squair

OBJECTIVE To investigate the outpatient access to nuclear medicine procedures by means of the Brazilian Unified Health System (SUS), analyzing the correspondence between data provided by this system and those from Comissão Nacional de Energia Nuclear (CNEN) (National Commission of Nuclear Energy). MATERIALS AND METHODS Data provided by Datasus regarding number of scintillation chambers, outpa...

Bangladesh is one of the smaller states in Asia. But it has a long and rich history of nuclear medicine for over sixty years. The progress in science and technology is always challenging in a developing country. In 1958, work for the first Nuclear Medicine facility was commenced in Dhaka in a tin-shed known as ‘Radioisotope Centre’ and was officially inaugurated in 1962. Since the late 50s of t...

2015
Tracy L. Faber

Objective: This review is a discussion of computer processing methods for modern nuclear medicine images. Methods: Basic image processing and quantification techniques are described, and their application to specific nuclear medicine studies is presented. Generation and use of regions of interest, time-activity curves, tomographic reconstruction and oblique reformatting are all addressed, as we...

Journal: :iranian journal of nuclear medicine 2013
navid zeraatkar

introduction: nowadays, science mapping is considered an excellent technique for decision-makers to find solutions for problems in research planning and development. in this work, we aimed to depict a science map of “radiology, nuclear medicine, and medical imaging” in iran. methods: all publications indexed in thomson reuters web of science database in the fields mentioned above with at least ...

Journal: :iranian journal of nuclear medicine 0
mohsen hajizadeh saffar medical physics research center, school of medicine, mashhad university of medical sciences, mashhad, iran shabnam oloomi medical physics department, mashhad university of medical science, mashhad, iran peter knoll department of nuclear medicine, wilhelminenspital, vienna, austria hadi taleshi department of medical physics, faculty of medical sciences, tarbiat modares university, tehran, iran

introduction: scattered photon is one of the main defects that degrade the quality and quantitative accuracy of nuclear medicine images. accurate estimation of scatter in projection data of spect is computationally extremely demanding for activity distribution in uniform and non-uniform dense media. methods: the objective of this paper is to develop and validate a scatter correction technique t...

Journal: :iranian journal of nuclear medicine 0
leili zarifmahmoudi nuclear medicine research center, faculty of medicine, mashhad university of medical sciences, mashhad, iran ramin sadeghi nuclear medicine research center, faculty of medicine, mashhad university of medical sciences, mashhad, iran

introduction: in the current study, we compared the h-indices of web of science (wos), scopus, and gs of the iranian nuclear medicine scientists methods: full time members of two major nuclear medicine research centers of iran with more than 5 year of experience (nuclear medicine research center of mashhad university of medical sciences, and research institute for nuclear medicine of tehran uni...

Journal: :iranian journal of nuclear medicine 2012
leili zarifmahmoudi ramin sadeghi

introduction: in the current study, we compared the h-indices of web of science (wos), scopus, and gs of the iranian nuclear medicine scientists methods: full time members of two major nuclear medicine research centers of iran with more than 5 year of experience (nuclear medicine research center of mashhad university of medical sciences, and research institute for nuclear medicine of tehran uni...

Journal: :Journal of nuclear medicine technology 2015
Daphne J James Helen M Warren-Forward

UNLABELLED Current radiation protection recommendations do not provide clear guidelines or advice on pregnancy screening strategies for diagnostic nuclear medicine procedures. Previous studies have reported on variations in current practice for pregnancy screening before diagnostic nuclear medicine procedures. The development of consensus statements aims to provide a consistent approach and ass...

Journal: :asia oceania journal of nuclear medicine and biology 0
krisana roysri surin hospital, surin, thailand chanisa chotipanich cyclotron and national pet center, chulaborn hospital, bangkok, thailand. vallop laopaiboon department of radiology, faculty of medicine, khon kaen university, khon kean, thailand. jiraporn khiewyoo department of biostatistics and demography, faculty of public health, khon kaen university, khon kaen, thailand.

objective(s): diagnostic nuclear medicine is being increasingly employed in clinical practice with the advent of new technologies and radiopharmaceuticals. the report of the prevalence of a certain disease is important for assessing the quality of that article. therefore, this study was performed to evaluate the quality of published nuclear medicine articles and determine the frequency of repor...

Journal: :JACC. Cardiovascular imaging 2009
William C Eckelman

Since the first tracer study by George C. de Hevesy in 1923, in which he used the tracer principle to study the absorption and translocation of lead nitrate with Pb-212 (1), radionuclides have been used both in vitro and in vivo to trace various biologic processes. The radioisotopes of iodine in particular have played an important role in the early development of nuclear medicine since their us...

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