نتایج جستجو برای: radiation

تعداد نتایج: 238304  

Xubin, C. Hao, C. Yuxin, H. Weiguo, S Qibin,

Background: Radiation-induced lung injury is a refractory side effect in lung cancer radiotherapy, the mechanism still remains unclear, hence an appropriate animal mode may become useful to investigate it. Materials and Methods: 50 female Wistar rats were randomly divided into 5 groups, average 10 rats/cage: A. control group B. 3Gy×10f C. 6Gy×5f D. 12.5Gy×1f E.15.3Gy×1f....

Abbas Ziari Ahmad Bitarafan-Rajabi, Ali Abedelahi, Alireza Emadi, Athar Ehtiati Danial Seifi Fatemeh Shabani Hadi Hasanzadeh, Hamed Masoumi, Majid Jadidi, Majid Mirmohammadkhani, Mitra Bokharaeian, Mohamad Pursamimi Mohammad Hosein Vali Sanaz Vali Shima Moshfegh Tahereh Khani

Introduction: Radiation exposure during radiological examination is a health concern, of which radiology professionals should be cognizant. We sought to evaluate the radiation protection knowledge, attitudes, and practice (KAP) amongst radiology staff of hospitals across 10 provinces of Iran. Materials and Methods: For evaluating the level of radiation protection KAP, 553 radiology staff were e...

Introduction: Ionizing radiation in medical imaging is one of the dominant sources of exposure, and correct knowledge of radiation protection, affects staff safety behaviors during procedures. This study aimed to assess the radiation protection Knowledge, Attitude and Practice (KAP) amongst nuclear medicine centers' staff in Iran. Methods: To evaluate the...

Journal: یافته 2007
hamid reza Khossravi , mehrdad Gholami , mohammad reza Abedini , soheila Akbari ,

Gholami M1, Abedini MR2, Khossravi HR3, Akbari S4 1. Instructor, Department of medical physics, Faculty of medicine, Lorestan University of medical sciences 2. Assistant professor, Department of radiology, Faculty of medicine, Lorestan University of medical sciences 3. Assistant professor, Department of radiation protection, Iranian Atomic Energy Organization 4. Assistant professor, D...

Journal: :iranian journal of radiation research 0
a.s. meigooni university of kentucky, department of radiation medicine, lexington, ky, usa

application of radioactive isotopes is the treatment of choice around the globe for many cancer sites. in this technique, the accuracy of the radiation delivery is highly dependent on the accuracy of radiation dosimetry around individual brachytherapy sources. moreover, in order to have compatible clinical results, an identical method of source dosimetry must be employed across the world. this ...

Journal: :journal of occupational health and epidemiology 0
k ghazikhanlu-sani m alizadeh f mohammadi s mohamadpour sh hadidi y mohammadi

background: the biological effects of radiation on radiology personnel are divided into two groups of deterministic effects and stochastic effects. due to the effects of radiation on health, radiology staff may be afraid of radiation. younger personnel with little work experience, compared with older personnel, have higher level of fear. the fear among radiology personnel, like employees of var...

Journal: :international journal of hematology-oncology and stem cell research 0
rashmi koul radiation oncologist, department of radiation oncology, allan blair cancer center, 4101 dewdney ave, regina, sk, canada s4t7t1. richard tse regina qu'appelle health region, regina, sk, canada. erwin karreman university of saskatchewan, saskatoon, canada. arbind dubey radiation oncologist, department of radiation oncology, allan blair cancer center, 4101 dewdney ave, regina, sk, canada s4t7t1. patricia tai radiation oncologist, department of radiation oncology, allan blair cancer center, 4101 dewdney ave, regina, sk, canada s4t7t1.

background: the impact of treatment on cancer patients’ quality of life (qol) has been the focus of a variety of longitudinal studies in english literature for past decade. the measurement of patient-reported outcomes which includes health-related quality of life is a new important initiative which has emerged and grown over the past three decades. following the development of reliable and vali...

Journal: :cell journal 0

objective: in radiation treatment, the irradiation which is effective enough to control the tumors far exceeds normal-tissues tolerance. thus to avoid such unfavourable outcomes, some methods sensitizing the tumor cells to radiation are used. iododeoxyuridine (iudr) is a halogenated thymidine analogue that known to be effective as a radiosensitizer in human cancer therapy. improving the potenti...

Journal: :تحقیقات نظام سلامت 0
شهرام صفری دانشجوی کارشناسی ارشد، گروه مهندسی بهداشت حرفه ای، دانشکده بهداشت، دانشگاه علوم پزشکی اصفهان، اصفهان، ایران مقداد کاظمی دانشجوی کارشناسی ارشد، گروه مهندسی بهداشت حرفه ای، دانشکده بهداشت، دانشگاه علوم پزشکی اصفهان، اصفهان، ایران حبیب الله دهقان استادیار، گروه مهندسی بهداشت حرفه ای، دانشکده بهداشت، دانشگاه علوم پزشکی اصفهان، اصفهان، ایران حسینعلی یوسفی مربی، گروه مهندسی بهداشت حرفه ای، دانشکده بهداشت، دانشگاه علوم پزشکی اصفهان، اصفهان،ایران بهزاد مهکی استادیار، گروه آمار و اپیدمیولوژی، دانشکده بهداشت، دانشگاه علوم پزشکی اصفهان، اصفهان، ایران

background : one way to optimize energy consumption is replacing incandescent lamp with compact fluorescent lamps .these lamps produce ultraviolet radiation due to the nature of light production. this study aimed to evaluate the ultraviolet radiation emitted from compact fluorescent lamps which are widely used in iran. methods : this study carries out on 16 compact fluorescent lamps (four diffe...

ژورنال: طب جنوب 2022
Bolkheir , Amir Reza, Larijani , Bagher, Moradinasab , Maryam, Ostovar , Afshin,

Background: The increasing prevalence of thyroid cancer among the survivors of atomic bomb attacks in Japan, nuclear fallout in the Marshall Islands, and Chernobyl nuclear power plant accident indicate a strong relationship between nuclear radiation and the occurrence of thyroid cancer. Materials and Methods: Systematic researches were conducted in the medical database of the American National ...

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