نتایج جستجو برای: photon emission computed tomography

تعداد نتایج: 452864  

Journal: :Respiratory Research 2019

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Journal: :Malignant tumours 2019

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Journal: Iranian Journal of Medical Physics 2010
Jalil Pirayesh Islamian, Lejonberg M Mahdi Momennezhad Mohammad Taghi Bahreyni Toossi, Ramin Sadeghi, Seyed Rasoul Zakavi

Introduction: In Single Photon Emission Computed Tomography (SPECT), the projection data used for image reconstruction are distorted by several factors, including attenuation and scattering of gamma rays, collimator structure, data acquisition method, organ motion, and washout of radiopharmaceuticals. All these make reconstruction of a quantitative SPECT image very difficult. Simulation of a SP...

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Journal: :Case Reports in Clinical Medicine 2014

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Journal: :World Journal of Nuclear Medicine 2013

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Journal: :Medicine 2018

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Journal: :iranian journal of nuclear medicine 2011
ali gholamrezanezhad ahmadali shirafkan sahar mirpour

abstract is not available

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Journal: :iranian journal of medical physics 0
mohammad taghi bahreyni toossi professor, medical physics research center, faculty of medicine, mashhad university of medical sciences, mashhad, iran jalil pirayesh islamian assistant professor, medical physics dept., faculty of medicine, tabriz university of medical sciences, tabriz, iran mahdi momennezhad assistant professor, nuclear medicine dept., imam reza hospital, mashhad university of medical sciences, mashhad, iran seyed rasoul zakavi associate professor, nuclear medicine dept., imam reza hospital, mashhad university of medical sciences, mashhad, iran ramin sadeghi assistant professor, nuclear medicine dept., imam reza hospital, mashhad university of medical sciences, mashhad, iran lejonberg m professor, medical radiation physics dept., clinical sciences-lund, lund university, lund, sweden

introduction: in single photon emission computed tomography (spect), the projection data used for image reconstruction are distorted by several factors, including attenuation and scattering of gamma rays, collimator structure, data acquisition method, organ motion, and washout of radiopharmaceuticals. all these make reconstruction of a quantitative spect image very difficult. simulation of a sp...

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Journal: :iranian journal of nuclear medicine 2012
armaghan fard-esfahani babak fallahi sahar mirpour ali gholamrezanezhad ezatollah abdi

introduction: the aim of this study was to evaluate the effect of successful kidney transplantation (kt) on myocardial perfusion and left ventricular function by both qualitative (visual) interpretation and semiquantitative parameters, using myocardial perfusion scintigraphy with gated-single photon emission computed tomography (gated-spect) in patients suffering from end-stage renal disease. ...

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Journal: :Breast Cancer Research 2005

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