نتایج جستجو برای: nuclear medicine images

تعداد نتایج: 735580  

Nuclear Medicine was established in Myanmar in 1963 by Dr Soe Myint and International Atomic Energy expert Dr R. Hochel at Yangon General Hospital. Nuclear medicine diagnostic and therapeutic services started with Probe Scintillation Detector Systems and rectilinear scanner. In the early stage, many Nuclear Medicine specialists from the International Atomic Energy Agency (IAEA) spent some time ...

Journal: :iranian journal of radiation research 0
s. farzanefar department of nuclear medicine , vali-asr hospital, tehran university of medical sciences, tehran, iran a. mirzabeigi research institute for nuclear medicine, shariati hospital, tehran university of medical sciences, tehran, iran m. abbasi department of nuclear medicine , vali-asr hospital, tehran university of medical sciences, tehran, iran

a discrete mibi avid lung lesion was found in cinematic views of myocardial perfusion imaging (mpi) of a 59 year-old woman. interestingly, the abnormal uptake in the lung was detectable only in the rest phase images and not in the images acquired in the stress phase. mpi was performed for pre-operation cardiac risk assessment before correction surgery for spinal canal stenosis.  she had no past...

2011
Maria Lyra Agapi Ploussi Antonios Georgantzoglou

Advanced techniques of image processing and analysis find widespread use in medicine. In medical applications, image data are used to gather details regarding the process of patient imaging whether it is a disease process or a physiological process. Information provided by medical images has become a vital part of today’s patient care. The images generated in medical applications are complex an...

Journal: :iranian journal of nuclear medicine 2012
farzaneh shariati vahid reza dabbagh kakhki ramin sadeghi

nuclear medicine imaging is routinely used for evaluation of perfusion and function of the transplanted kidneys. at present, the radiopharmaceutical of choice for this study in our center is tc 99m-ec. complications of the kidney graft are demonstrable in the early and delayed images. one of these complications is vesicoureteral reflux to the graft or to the native kidneys. we present a 27 year...

Journal: :iranian journal of nuclear medicine 2013
hamid javadi ali mahmoud pashazadeh mehdi mogharrabi isa neshandar asli faraj tabei

introduction: the aim of present study was to estimate effective dose from most common procedures performed in nuclear medicine departments of golestan province. methods: data of nuclear medicine procedures performed in 2 nuclear medicine departments in golestan province were collected during 4 years. effective dose, collective effective dose and effective dose per examination were calculated u...

ژورنال: سنجش و ایمنی پرتو 2015

The radioisotope Technetium-99m has unique chemical and nuclear properties; which is widely used in the field of nuclear medicine. This isotope has a half-life of 6.04 hours and the emitted gamma ray has energy of 140.5 keV. This radioisotope is not normally found in nature, but is obtained from radioisotope molybdenum99 decay. molybdenum99 has half-life of 66 hours, and 740 keV Gamma-ray....

Hadi Taleshi Mohsen Saffar Peter Knoll, Shabnam Oloomi

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 ...

Journal: :Journal of nuclear medicine : official publication, Society of Nuclear Medicine 2000
P J Slomka E Elliott A A Driedger

UNLABELLED In nuclear medicine practice, images often need to be reviewed and reports prepared from locations outside the department, usually in the form of hard copy. Although hard-copy images are simple and portable, they do not offer electronic data search and image manipulation capabilities. On the other hand, picture archiving and communication systems or dedicated workstations cannot be e...

Journal: :iranian journal of radiation research 0
h. zamani zeinali faculty of nuclear engineering and physics, amir kabir university of technology, tehran, iran n. alirezazadeh national radiation protection department, atomic energy organization of iran f. atabi department of medical biochemistry, isfahan university of medical sciences, isfahan, iran

background: to investigate the status of the nuclear medicine (nm) centers in iran for the performance of dose calibrators, 18 out of 54 centers providing nm services in iran were randomly selected and inspected in 1997. in the first phase of the study the selected centers were inspected for performing of quality control (qc) tests of dose calibrators. the linearity of the activity response, pr...

While the introduction of radioactive tracers in the study of metabolic pathways has been well-documented in clinical thyroidology as early as 1924, the widespread utilization in other clinical specialties has been hampered by slow developments in radiation-detecting devices and in the production of appropriate radiopharmaceuticals, in addition tothe morbid fear of radiation. In the Philippines...

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