SERIES IAEA HUMAN HEALTH SERIES
... The application of radiation in the diagnosis and treatment of disease is an important component of the work of the IAEA. In the area of diagnostic radiology, this work is currently focused on quality assurance (QA) methods to promote the effective use of radiation for a diagnostic outcome through a ...
... The application of radiation in the diagnosis and treatment of disease is an important component of the work of the IAEA. In the area of diagnostic radiology, this work is currently focused on quality assurance (QA) methods to promote the effective use of radiation for a diagnostic outcome through a ...
Criteria for Acceptability of Medical Radiological Equipment used in
... RP 91 considered diagnostic radiological installations including conventional and computed tomography, dental radiography and mammography, and, in a limited way, radiotherapy and nuclear medicine installations. However, development of new systems and technologies, improvements in traditional technol ...
... RP 91 considered diagnostic radiological installations including conventional and computed tomography, dental radiography and mammography, and, in a limited way, radiotherapy and nuclear medicine installations. However, development of new systems and technologies, improvements in traditional technol ...
Dosimetry in diagnostic radiology : an
... International standardization in dosimetry is essential for the successful exploitation of radiation technology. Soon after it was founded, the IAEA initiated a programme on the dosimetry of ionizing radiation, helping Member States develop the calibration and measurement capabilities necessary for ...
... International standardization in dosimetry is essential for the successful exploitation of radiation technology. Soon after it was founded, the IAEA initiated a programme on the dosimetry of ionizing radiation, helping Member States develop the calibration and measurement capabilities necessary for ...
with a grid
... Grids are devices that are used to improve contrast on a radiographic image. This improvement of contrast is achieved by absorption of scatter radiation produced by the patient as the primary beam interacts with the patient’s tissues. This contrast improvement also comes at a cost. As the grids’ abi ...
... Grids are devices that are used to improve contrast on a radiographic image. This improvement of contrast is achieved by absorption of scatter radiation produced by the patient as the primary beam interacts with the patient’s tissues. This contrast improvement also comes at a cost. As the grids’ abi ...
Applicator reconstruction catalogue
... reconstruction. During this process the location of dwell positions is found in relation to each other or in relation to reference point in the applicator, e.g. the distance from the tip of the tandem applicator to the first dwell position. Applicator commissioning should include CT scan of the appl ...
... reconstruction. During this process the location of dwell positions is found in relation to each other or in relation to reference point in the applicator, e.g. the distance from the tip of the tandem applicator to the first dwell position. Applicator commissioning should include CT scan of the appl ...
Flash speed. Lowest dose. - VCU Department of Radiology
... rates. For routine cases, however, the dose required in less than ideal circumstances is significantly higher than cardiac cath, that normally requires at least 5 mSv for pure diagnostic procedures. Therefore, cardiac CT has been difficult to justify, especially for younger patients and females. Sie ...
... rates. For routine cases, however, the dose required in less than ideal circumstances is significantly higher than cardiac cath, that normally requires at least 5 mSv for pure diagnostic procedures. Therefore, cardiac CT has been difficult to justify, especially for younger patients and females. Sie ...
Dental Caries Diagnostic Methods
... examination of every tooth surface, is by far the most commonly applied method in ...
... examination of every tooth surface, is by far the most commonly applied method in ...
Radiation Dose and Image Quality in Computed
... The aim of this study was to evaluate and compare the radiation doses imparted to patients undergoing computed tomography (CT) examinations and image quality with the use of automatic exposure control (AEC) and fixed tube current (FTC) techniques using a head and body phantom in a Siemens emotion 16 ...
... The aim of this study was to evaluate and compare the radiation doses imparted to patients undergoing computed tomography (CT) examinations and image quality with the use of automatic exposure control (AEC) and fixed tube current (FTC) techniques using a head and body phantom in a Siemens emotion 16 ...
accepted manuscript
... exception on the rotating sample are in-vivo small animal micro-CT scanners (Ritman, 2004; Schuster et al., 2004). These are usually designed for high-speed scanning at reduced ...
... exception on the rotating sample are in-vivo small animal micro-CT scanners (Ritman, 2004; Schuster et al., 2004). These are usually designed for high-speed scanning at reduced ...
19 2D and 3D Planning in Brachytherapy
... The above step is indirectly considered in the external beam radiotherapy planning procedure through patient positioning and alignment respective to treatment machine gantry. The brachytherapy treatment planning procedure consists generally of the following steps: • Definition of the planning target ...
... The above step is indirectly considered in the external beam radiotherapy planning procedure through patient positioning and alignment respective to treatment machine gantry. The brachytherapy treatment planning procedure consists generally of the following steps: • Definition of the planning target ...
IMRT verification by three-dimensional dose reconstruction
... showing the agreement between prescribed and measured exit doses to within 3%, and McNutt et al.,20,21 who used a convolution/superposition model, treating the EPID as part of an ‘‘extended phantom’’ to create portal dose images, showing agreement to within 4% 共2 SD兲. An iterative method was then us ...
... showing the agreement between prescribed and measured exit doses to within 3%, and McNutt et al.,20,21 who used a convolution/superposition model, treating the EPID as part of an ‘‘extended phantom’’ to create portal dose images, showing agreement to within 4% 共2 SD兲. An iterative method was then us ...
International Workshop on Monte Carlo Techniques in Medical
... The novel field of small animal radiotherapy (SmART) image-guided precision research aims to downscale radiotherapy to the size of small animals, enabling the study of models for radiation response of normal tissue and tumors. Novel image-guided precision irradiators are now available that greatly f ...
... The novel field of small animal radiotherapy (SmART) image-guided precision research aims to downscale radiotherapy to the size of small animals, enabling the study of models for radiation response of normal tissue and tumors. Novel image-guided precision irradiators are now available that greatly f ...
- University of Salford Institutional Repository
... a trade-off between dose and image quality, which limits by how much the dose can be reduced9. IR techniques generate images using several iterative steps to create images that are more precise10, meaning dose can be lowered. IR was used in first generation CTs, but despite it’s potential for dose r ...
... a trade-off between dose and image quality, which limits by how much the dose can be reduced9. IR techniques generate images using several iterative steps to create images that are more precise10, meaning dose can be lowered. IR was used in first generation CTs, but despite it’s potential for dose r ...
Cone-Beam Computed Tomography Examinations of
... Deterministic effects are associated with high single radiation doses [66, p. 44] and are thus not common in diagnostic radiology [98]. For stochastic effects, the total risk is determined by the cumulative dose of lifetime exposures to ionising radiation. For an individual, the risk of stochastic e ...
... Deterministic effects are associated with high single radiation doses [66, p. 44] and are thus not common in diagnostic radiology [98]. For stochastic effects, the total risk is determined by the cumulative dose of lifetime exposures to ionising radiation. For an individual, the risk of stochastic e ...
PDF - Journal of Advanced Medical and Dental Sciences
... CBCT examinations, the referring dentist must supply sufficient clinical information (results of a history and examination) to allow the CBCT Practitioner to perform the Justification process. 6. CBCT should only be used when the question for which imaging is required cannot be answered adequately b ...
... CBCT examinations, the referring dentist must supply sufficient clinical information (results of a history and examination) to allow the CBCT Practitioner to perform the Justification process. 6. CBCT should only be used when the question for which imaging is required cannot be answered adequately b ...
OP100 D User and Technical Manual
... Personal radiation monitoring and protective devices are available and recommended for staff members. It is also recommended to provide the patient with a protective apron. Consult the physician before taking images of pregnant patients. ...
... Personal radiation monitoring and protective devices are available and recommended for staff members. It is also recommended to provide the patient with a protective apron. Consult the physician before taking images of pregnant patients. ...
medical physics 2012/13
... MSc in Clinical Science can be found in the student handbook from the university with which each trainee is registered. 8. This Introduction to Work Based Learning provides an overview of the work-based training programme and the guidance provided by the NSHCS for users of the Online Assessment Too ...
... MSc in Clinical Science can be found in the student handbook from the university with which each trainee is registered. 8. This Introduction to Work Based Learning provides an overview of the work-based training programme and the guidance provided by the NSHCS for users of the Online Assessment Too ...
Criteria for Acceptability of Medical Radiological Equipment
... radiotherapy equipment in normal use ought to be able to pass. The most common form of criterion is a “suspension level” for a measurement of a performance or safety parameter. Failure to meet a suspension level will establish that the operation of the equipment involved is sufficiently poor to rais ...
... radiotherapy equipment in normal use ought to be able to pass. The most common form of criterion is a “suspension level” for a measurement of a performance or safety parameter. Failure to meet a suspension level will establish that the operation of the equipment involved is sufficiently poor to rais ...
Consensus Conference on Diagnostic Terminology 1 Question #1 2
... endodontic diagnostic testing is valid and reliable. As noted by literature searches, there are not a great number of papers available that allow the reader to base his/her testing results on evidence developed data. The predictive value of endodontic diagnostic tests lessens when one realizes t ...
... endodontic diagnostic testing is valid and reliable. As noted by literature searches, there are not a great number of papers available that allow the reader to base his/her testing results on evidence developed data. The predictive value of endodontic diagnostic tests lessens when one realizes t ...
Product Catalogue 2013/2014 Dosimetry and QA
... with and couldn’t take many trips owing to his official duties at the university. In this way I came to know all the leading radiologists in person. After two years, the situation of Dr. Hammer’s business was so precarious that he wanted to close it. But, knowing how much the radiologists were in ne ...
... with and couldn’t take many trips owing to his official duties at the university. In this way I came to know all the leading radiologists in person. After two years, the situation of Dr. Hammer’s business was so precarious that he wanted to close it. But, knowing how much the radiologists were in ne ...
Cone-beam computed tomography with a flat
... inaccuracy in reconstructed CT number 共CT#兲.14–16 Analytical and Monte Carlo methods have been employed to estimate the intensity of scattered radiation at diagnostic energies,17–21 demonstrating reasonable agreement with measured results. Based on the magnitude and shape of such intensity distribut ...
... inaccuracy in reconstructed CT number 共CT#兲.14–16 Analytical and Monte Carlo methods have been employed to estimate the intensity of scattered radiation at diagnostic energies,17–21 demonstrating reasonable agreement with measured results. Based on the magnitude and shape of such intensity distribut ...
Accuracy of linear measurement in Galileos cone beam CT under
... The inherent problems with 2D imaging led to the need for 3D imaging which can overcome the issues of superimposition, blurring and magnification as these factors compromise measurement accuracy to a large extent. Simultaneously, cross-sectional information which is vital for preoperative planning f ...
... The inherent problems with 2D imaging led to the need for 3D imaging which can overcome the issues of superimposition, blurring and magnification as these factors compromise measurement accuracy to a large extent. Simultaneously, cross-sectional information which is vital for preoperative planning f ...
Rib Fractures - Diagnostic Centers of America
... atelectasis, flail chest, cardiovascular injury, and injuries to solid and hollow abdominal organs) may have a more significant clinical impact [2,3]. Radiographs are specific but not very sensitive (for undisplaced fractures), and clinical examination is sensitive but not specific [3-5]. Multidetec ...
... atelectasis, flail chest, cardiovascular injury, and injuries to solid and hollow abdominal organs) may have a more significant clinical impact [2,3]. Radiographs are specific but not very sensitive (for undisplaced fractures), and clinical examination is sensitive but not specific [3-5]. Multidetec ...
UNIT 5 biomedical
... Some medical applications of fluoroscopy include: Angiography — used to examine blood vessels in real time Barium enema — a procedure used to examine problems of the colon and lower gastrointestinal area Barium swallow — similar to a barium enema, but used to examine the upper gastroinstestional are ...
... Some medical applications of fluoroscopy include: Angiography — used to examine blood vessels in real time Barium enema — a procedure used to examine problems of the colon and lower gastrointestinal area Barium swallow — similar to a barium enema, but used to examine the upper gastroinstestional are ...