مرور Volume 26, Issue 2 بر اساس عنوان
در حال نمایش موارد 1 - 7 از 7
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An alternative mathematical modeling of the scintillation camera and framework for performance analysis of gamma-ray positioning algorithms
(Research Center for Nuclear Medicine (Tehran University of Medical Sciences), 2018-07-01)Introduction: Substantive amount of work has been done in modeling and analyzing the scintillation camera system processes including positioning and image formation. The goal of this work is to develop a framework for ...
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Benefits of combined pharmacologic and submaximal exercise stress on Sub-diaphragmatic activity in myocardial perfusion scintigraphy
(Research Center for Nuclear Medicine (Tehran University of Medical Sciences), 2018-07-01)Introduction: Myocardial perfusion imaging (MPI) is an important imaging modality in managing patients with cardiovascular disease. MPI has a significant role in diagnosis and management of cardiovascular disease; however ...
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Clinical significance of additional lateral imaging in diagnosis of prosthesis infection by combined Tc-99m labeled leukocyte/bone marrow scintigraphy
(Research Center for Nuclear Medicine (Tehran University of Medical Sciences), 2018-07-01)Introduction: Recently the most accurate diagnostic method in the diagnosis of prosthesis infection is the combination of Tc-99m labeled leukocyte/bone marrow imaging. However the diagnostic efficiency of the test is ...
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Hepatobiliary excretion of 99mTc-EC: A potential source of mistake in the interpretation of renal scintigraphy
(Research Center for Nuclear Medicine (Tehran University of Medical Sciences), 2018-07-01)A 10-year-old boy with a history of bloody discoloration of urine following recent appendectomy was referred to our department for urinary leakage/fistula evaluation. A renal Technetium-99m-L,L-ethylenedicysteine (99mTc-EC) ...
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Image-based versus atlas-based patient-specific S-value assessment for Samarium-153 EDTMP cancer palliative care: A short study
(Research Center for Nuclear Medicine (Tehran University of Medical Sciences), 2018-07-01)Introduction: Use of SPECT/CT data is the most accurate method for patient-specific internal dosimetry when isotopes emit single gamma rays. The manual or semi-automatic segmentation of organs is a major obstacle that slows ...
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The influence of using different reconstruction algorithms on sensitivity of quantitative 18F-FDG-PET volumetric measures to background activity variation
(Research Center for Nuclear Medicine (Tehran University of Medical Sciences), 2018-07-01)Introduction: This study aims to investigate the influence of background activity variation on image quantification in differently reconstructed PET/CT images. Methods: Measurements were performed on a Discovery-690 PET/CT ...
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Preparation, quality control and biodistribution study of 68Ga-BPAMD: Optimized production with an in-house 68Ge-68Ga generator
(Research Center for Nuclear Medicine (Tehran University of Medical Sciences), 2018-07-01)Introduction: Bone metastases are common in the progression of various tumors leading to severe pain and decrease in quality of life. The aim of this study was to optimize the production of 68Ga-BPAMD as an ideal bone ...
