نتایج جستجو برای: patient specific dose

تعداد نتایج: 1925613  

Introduction: Interventional angiography procedures are increasingly used today. These techniques require a long time of standing near the patient and x-ray tube which lead to increase the radiation-dose of the staff and interventionists. This may also, in turn, lead to the occurrence of radiation deterministic effects. Since a large number of interventional radiology were perf...

Journal: :iranian journal of nuclear medicine 2008
darruoush shahbazi-gahrouei parvin bonyadi masoud moslehi zahra shahi

introduction: patients administered with a therapeutic dose of 131i for thyroid cancer treatment are potential sources of unacceptably high radiation exposure to other individuals, particularly the patient's immediate family members. the aim of this study is to investigate effects of early liothyronine consumption after radio-iodine therapy on accumulated dose and exposure rate in patients with...

Journal: :Medical Image Analysis 2021

The two-dimensional nature of mammography makes estimation the overall breast density challenging, and true patient-specific radiation dose impossible. Digital tomosynthesis (DBT), a pseudo-3D technique, is now commonly used in cancer screening diagnostics. Still, severely limited 3rd dimension information DBT has not been used, until now, to estimate or dose. This study proposes reconstruction...

Introduction: Long-term teletherapy program is not suitable for old and working patients and those living in areas where little access to primary health care is available. Accelerated partial breast irradiation (APBI) using high dose rate (HDR) brachytherapy is an appropriate alternative for these patients due to its limited number of fractions. The AccuBoost is a system for delivering APBI. Th...

Mohammad Bahrami Mohammad Taghi Bahreyni Toossi,

Introduction Computed Tomography scans are a very important tool for diagnosis and assessment of response to treatment in the practice of medicine. Ionizing radiation in medical imaging is undoubtedly one of the most powerful diagnostic tools in medicine. Yet, as with all medical interventions, there are potential risks in addition to the clear potential benefits. Materials and Methods Two refe...

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