نتایج جستجو برای: radiation center
تعداد نتایج: 513202 فیلتر نتایج به سال:
Background: PET/CT imaging using [18F]-FDG is utilized in clinical oncology for tumor detecting, staging and responding to therapy procedures. Essential consideration must be taken for radiation staff due to high gamma radiation in PET/CT and cyclotron center. The aim of this study was to assess the staff exposure regarding whole body and organ dose and to evaluate environment dose in PET/CT an...
BACKGROUND AND PURPOSE To be radiopaque, BAVM embolization products must contain high-atomic-number materials, which may also attenuate photon beams delivered with radiosurgery. This "shielding effect" has been invoked to explain why radiation therapy may be less effective for previously embolized BAVMs. To evaluate the impact of embolization material on radiation dose, we measured and compared...
Introduction: Glioma is the most common type of primary brain tumor that originates from glial tissues. These types of tumors have a high degree of malignancy and poor prognosis and low survival rates. The evaluation response to treatment is essential to decide whether present treatment is adequate or need for alternative therapy. The aim of this study was to evaluate the resp...
فرض کنید $ r $ و $ s $ دو حلقه و $ {}_sc_r $ یک دو مدول شبه دوگان باشد. در این پایان نامه ما رابطه ی بین $ g_{c} $-مرابطه با $ c $-مرابطه و هم چنین رابطه ی بین تحلیل $ g_{c} $-تصویری و تحلیل تصویری از یک مدول را بررسی می کنیم. به علاوه نشان می دهیم که اگر egin{center} $ mathbf{g}^{ullet} : cdots ightarrow g_{1} ightarrow g_{0} ightarrow g^{0} ightarrow g^{1} ightarrow cdots$ end{center}...
1Medical Physics & Informatics Laboratory of Electronics Engineering, National Kaohsiung University of Applied Sciences, Kaohsiung 80778, Taiwan 2Graduate Institute of Clinical Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan 3Department of Radiation Oncology, Institute for Advanced Radiation Oncology, Monmouth Medical Center, Barnabas Health, Long Branch, NJ 07601, USA 4Department...
1College of Medicine, University of Oklahoma Health Sciences Center, Oklahoma City, USA 2Department of Pathology, University of Oklahoma Health Sciences Center, Oklahoma City, USA 3Department of Radiation Oncology, Stephenson Cancer Center, University of Oklahoma Health Sciences Center, Oklahoma City, USA 4Hematology/Oncology Section, Department of Medicine, Stephenson Cancer Center, University...
From the ‡Free Radical and Radiation Biology Program, Department of Radiation Oncology, Holden Comprehensive Cancer Center, The University of Iowa, Iowa City, Iowa 52242, the §Division of Radiation and Cancer Biology, Department of Radiation Oncology, Washington University, St. Louis, Missouri 63108, and the Departments of ¶Biomedical Engineering and Radiology, The University of Iowa, Iowa City...
background: the health effect of rapidly increasing everyday exposure of humans to radiofrequency radiation is a major global concern. mobile phone jammers prevent the mobile phones from receiving signals from base stations by interfering with authorized mobile carriers’ services. in spite of the fact that mobile jammer use is illegal, they are occasionally used in offices, shrines, conference ...
*Department of Radiation Oncology, New York University School of Medicine, New York, New York; yDepartment of Radiation Oncology, University of Alabama Health Services Foundation, South Birmingham, Alabama; zDepartment of Radiation Oncology, University of Pennsylvania, Philadelphia, Pennsylvania; xDepartment of Radiation Oncology, University of Michigan, Ann Arbor, Michigan; kDepartment of Radi...
BACKGROUND The adoption of the transradial (TR) approach over the traditional transfemoral (TF) approach has been hampered by concerns of increased radiation exposure-a subject of considerable debate within the field. We performed a patient-level, multi-center analysis to definitively address the impact of TR access on radiation exposure. METHODS AND RESULTS Overall, 10 centers were included ...
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