نتایج جستجو برای: Diagnostic reference level Entrance Surface Dose Digital X-ray examination Entrance Surface Air Kerma

تعداد نتایج: 3457604  

Behzad Mohsenzadeh Mohammad Reza Deevband,

Introduction: Paediatric patients deserve special attention because of the higher radiation risks compared with adults. The main purpose of this study is to determine patient dose and diagnostic reference level for Paediatric through Entrance Surface Dose (ESD) calculations in common X-ray examination and to establish Paediatric national DRLs in digital radiography in Iran. <...

Journal: :iranian journal of radiation research 0
d. shahbazi-gahrouei department of medical physics and medical engineering, isfahan university of medical sciences, isfahan, iran

background: there is not any report on the radiation doses received by patients in diagnostic radiology sections in hospitals under control of chaharmahal and bakhtiari medical sciences university, in the south west of iran. objectives: the aim of this study is measurement of entrance surface doses (esd) for the most routine types of x-ray procedures in radiology centers as part of ongoing dose...

Journal: :Radiological physics and technology 2015
Atsushi Fukuda Kosuke Matsubara Tosiaki Miyati

Conventional diagnostic X-ray units are used for radiographic imaging in many countries. For obtaining entrance surface doses, a numerical dose determination method has been applied in Japan. Although this technique is effective, it has to account for errors, particularly fluctuations, due to the beam quality and output of X-ray tubes. As a part of our quality control procedures, we recorded th...

Journal: :AJR. American journal of roentgenology 2008
Wilbroad E Muhogora Nada A Ahmed Aziz Almosabihi Jamila S Alsuwaidi Adnan Beganovic Olivera Ciraj-Bjelac Francois K Kabuya Anchali Krisanachinda Milomir Milakovic Godfrey Mukwada Marie J Ramanandraibe Madan M Rehani Jalil Rouzitalab Cyril Shandorf

OBJECTIVE The purpose of this study was to survey image quality and the entrance surface air kerma for patients in radiographic examinations and to perform comparisons with diagnostic reference levels. SUBJECTS AND METHODS In this multinational prospective study, image quality and patient radiation doses were surveyed in 12 countries in Africa, Asia, and Eastern Europe, covering 45 hospitals....

Journal: :iranian journal of medical physics 0
malakeh malekzadeh paramedical school. babol university of medical sciences. babol. iran

introduction given the fact that children are more sensitive to radiation, compared to adults, special attention needs to be paid to radiation protection in pediatric radiology. diagnostic reference level (drl) has been defined to be employed as a practical tool for examining the overall performance of a radiological center in terms of patient dose among a series of similar equipments in an are...

Background: There is not any report on the radiation doses received by patients in diagnostic radiology sections in hospitals under control of Chaharmahal and Bakhtiari Medical Sciences University, in the south west of Iran. Objectives: The aim of this study is measurement of entrance surface doses (ESD) for the most routine types of X-ray procedures in radiology centers as part of ongoing d...

Journal: :iranian journal of medical physics 0
esen nsikan u dept. of physic, university of ibadan, nigeria

introduction high doses of ionizing radiation can lead to adverse health outcomes such as cancer induction in humans. although the consequences are less evident at very low radiation doses, the associated risks are of societal importance. this study aimed at assessing entrance skin doses (esds) in patients undergoing selected diagnostic x-ray examinations at public hospitals of akwa ibom state,...

A. Babakhani, A. Takavar, M.R. Deevband, M.R. Kardan, R. Paydar, S. Saber,

Background: The radiation doses resulting from diagnostic X-ray examinations are routinely measured in terms of entrance surface dose (ESD) and effective dose (ED). In this study, for the purpose of radiation protection, the radiation doses received from Digital chest X-ray examination were evaluated in terms of ESD and ED. Material and Methods: The ED was calculated by using the MCNP ...

Journal: :iranian journal of radiation research 0
r. paydar medical physics and biomedical engineering department, school of medicine, tehran university of medical sciences, tehran, iran a. takavar medical physics and biomedical engineering department, school of medicine, tehran university of medical sciences, tehran, iran m.r. kardan nuclear sciences research school, radiation applications research school, tehran, iran a. babakhani national radiation protection department, iranian nuclear regulatory authority, teheran iran m.r. deevband national radiation protection department, iranian nuclear regulatory authority, teheran iran s. saber pulmonary ward, shariati hospital, school of medicine, tehran university of medical sciences, tehran, iran

background: the radiation doses resulting from diagnostic x-ray examinations are routinely measured in terms of entrance surface dose (esd) and effective dose (ed). in this study, for the purpose of radiation protection, the radiation doses received from digital chest x-ray examination were evaluated in terms of esd and ed. material and methods: the ed was calculated by using the mcnp monte car...

Journal: :iranian journal of radiation research 0
n. n. jibiri radiation and health physics research laboratory, department of physics, university of ibadan, ibadan nigeria b. adeleye radiation and health physics research laboratory, department of physics, university of ibadan, ibadan nigeria b. kolude department of oral pathology, college of medicine, university of ibadan, ibadan, nigeria

background: intraoral radiographs are believed to deliver low doses to patients, thus little work has been done in this regards. considering the increment in the number of patients reporting for the examination and the probability of delayed somatic effects for accumulated low doses of x-irradiation, it is expedient to determine the doses to three critical organs eye, thyroid and parotid that a...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید