2015-2016 Digest of Council Actions
... c. Achievement of Accreditation Goals and Standards ........................................................................... 33 d. Business Plans for ACR Accreditation Programs ............................................................................... 34 e. Certificates of Accreditation .... ...
... c. Achievement of Accreditation Goals and Standards ........................................................................... 33 d. Business Plans for ACR Accreditation Programs ............................................................................... 34 e. Certificates of Accreditation .... ...
PDF hosted at the Radboud Repository of the Radboud University
... (South Africa) in the 1950’s where he started to work on the concept of scanning slices of the body from various angles and rotations. In the sixties he continued his work at Tufts University in Medford Massachusetts (USA) where he became chairman of the Physics Department in 1968. Reasoning that mu ...
... (South Africa) in the 1950’s where he started to work on the concept of scanning slices of the body from various angles and rotations. In the sixties he continued his work at Tufts University in Medford Massachusetts (USA) where he became chairman of the Physics Department in 1968. Reasoning that mu ...
006 RSNA News Jun04.qxd
... being screened in the study. Reducing the Radiation Dose “This study combined with other research shows that people are developing cataracts at much lower radiation doses than permissible limits allow,” says Basil V. Worgul, Ph.D., a professor of radiation biology in ophthalmology and radiology at C ...
... being screened in the study. Reducing the Radiation Dose “This study combined with other research shows that people are developing cataracts at much lower radiation doses than permissible limits allow,” says Basil V. Worgul, Ph.D., a professor of radiation biology in ophthalmology and radiology at C ...
CLASSlCAL RADIATION THERAPY
... the higher-energy photons are scattered more predominantly in the forward direction, the field size dependence of percent depth dose is less pronounced for the higher-energy than for the lower-energy beams. Percent depth dose data for radiation therapy beams are usually tabulated for square fields. ...
... the higher-energy photons are scattered more predominantly in the forward direction, the field size dependence of percent depth dose is less pronounced for the higher-energy than for the lower-energy beams. Percent depth dose data for radiation therapy beams are usually tabulated for square fields. ...
An X-ray Source Model and Characterization Method for Computing
... According to the American Association of Physicists in Medicine Task Group (AAPM) 75, it is the responsibility of the medical physics community to assess, reduce, and optimize the imaging dose delivered during image-guided radiation therapy. It is currently difficult to accurately estimate patient-s ...
... According to the American Association of Physicists in Medicine Task Group (AAPM) 75, it is the responsibility of the medical physics community to assess, reduce, and optimize the imaging dose delivered during image-guided radiation therapy. It is currently difficult to accurately estimate patient-s ...
handbook - Challenge TB
... Contribution to health system strengthening Health system strengthening is defined as ‘improving capacity in some critical components of health systems, in order to achieve more equitable and sustained improvement across health services and outcomes’. TB control programs and their partners should p ...
... Contribution to health system strengthening Health system strengthening is defined as ‘improving capacity in some critical components of health systems, in order to achieve more equitable and sustained improvement across health services and outcomes’. TB control programs and their partners should p ...
Optimisation of radiation dose and image quality for AP pelvis
... 1.2.3.3. Diagnostic performance (Receiver Operating Characteristic-ROC) .................... 13 1.2.3.4. Observer performance (Visual Grading Analysis-VGA) ..................................... 13 1.2.3.4.1. Justification for VGA ...................................................................... ...
... 1.2.3.3. Diagnostic performance (Receiver Operating Characteristic-ROC) .................... 13 1.2.3.4. Observer performance (Visual Grading Analysis-VGA) ..................................... 13 1.2.3.4.1. Justification for VGA ...................................................................... ...
Cone Beam Computed Tomography (CBCT) Dosimetry
... MC model of the OBI x-ray tube was built into the system and validated by measurements characterizing the cone beam quality in the aspects of the x-ray spectrum, half value layer (HVL) and dose profiles for both full-fan and half-fan modes. Using the validated MC model, CTDICB, dose profile integral ...
... MC model of the OBI x-ray tube was built into the system and validated by measurements characterizing the cone beam quality in the aspects of the x-ray spectrum, half value layer (HVL) and dose profiles for both full-fan and half-fan modes. Using the validated MC model, CTDICB, dose profile integral ...
cone beam ct: non-dental applications
... AZ St. Jan Brugge AV, Brugge, Belgium, 3. Department of Radiology, AZ St. Augustinus, Wilrijk, Belgium, 4. University of Gent, Gent, Belgium. Address for correspondence: Pr J.W. Casselman, M.D., Ph.D., Department of Radiology, AZ St. Jan Brugge AV, Ruddershove 10, 8000 Brugge, Belgium. ...
... AZ St. Jan Brugge AV, Brugge, Belgium, 3. Department of Radiology, AZ St. Augustinus, Wilrijk, Belgium, 4. University of Gent, Gent, Belgium. Address for correspondence: Pr J.W. Casselman, M.D., Ph.D., Department of Radiology, AZ St. Jan Brugge AV, Ruddershove 10, 8000 Brugge, Belgium. ...
cone beam ct for dental and maxillofacial radiology
... Directives of the European Union: Directive 96/29/Euratom, of 13 May 1996, laying down the basic safety standards for the protection of the health of workers and the general public against the dangers arising from ionising radiation (Basic Safety Standards Directive) Directive 97/43/Euratom, of 3 Ju ...
... Directives of the European Union: Directive 96/29/Euratom, of 13 May 1996, laying down the basic safety standards for the protection of the health of workers and the general public against the dangers arising from ionising radiation (Basic Safety Standards Directive) Directive 97/43/Euratom, of 3 Ju ...
Assessing The Clinical Application Of The Van Herk Margin Formula
... means, in total or in part, at the request of other institutions or individuals for the purpose of scholarly research. ...
... means, in total or in part, at the request of other institutions or individuals for the purpose of scholarly research. ...
IAEA HUMAN HEALTH SERIES No. 11
... support and approval of relevant authorities, secure funding, and a detailed implementation strategy. The need for a carefully planned strategy is even more essential in the conditions prevailing in a developing country, where the introduction of PET may be impeded by a scarcity of financial resourc ...
... support and approval of relevant authorities, secure funding, and a detailed implementation strategy. The need for a carefully planned strategy is even more essential in the conditions prevailing in a developing country, where the introduction of PET may be impeded by a scarcity of financial resourc ...
ACR-AAPM Practice Parameter For Reference Levels And
... the initial practice parameter on nuclear medicine RLs. Although the recommendations are based on limited survey data, they are the best available data we have for the modality. Reference levels and AAAs are part of the optimization process. It is essential to assure that image quality appropriate f ...
... the initial practice parameter on nuclear medicine RLs. Although the recommendations are based on limited survey data, they are the best available data we have for the modality. Reference levels and AAAs are part of the optimization process. It is essential to assure that image quality appropriate f ...
Reduction of CT dose for CT-based PET attenuation correction
... Figure 5.8 Isocontour plot of the radiation dose ................................... 139 Figure 5.9 Isocontour plot of coefficient of variation of DECT-derived attenuation map ................................................................................... 139 Figure 5.10 Comparison of attenuat ...
... Figure 5.8 Isocontour plot of the radiation dose ................................... 139 Figure 5.9 Isocontour plot of coefficient of variation of DECT-derived attenuation map ................................................................................... 139 Figure 5.10 Comparison of attenuat ...
PDF - IAEA Publications
... In recent years, there have been major developments in external beam radiotherapy, moving from simple two dimensional techniques to three dimensional image based conformal radiotherapy, intensity modulated radiotherapy, image guided radiation therapy and respiratory correlated four dimensional techn ...
... In recent years, there have been major developments in external beam radiotherapy, moving from simple two dimensional techniques to three dimensional image based conformal radiotherapy, intensity modulated radiotherapy, image guided radiation therapy and respiratory correlated four dimensional techn ...
Cone Beam Ct for Dental and Maxillofacial Radiology
... areas of medicine. New applications of CT, sometimes in areas where they were hardly expected, are still coming into existence today. One example of such innovative use of CT is the development of the Cone Beam Computed Tomography (CBCT) designed to meet the needs of dental practice. The development ...
... areas of medicine. New applications of CT, sometimes in areas where they were hardly expected, are still coming into existence today. One example of such innovative use of CT is the development of the Cone Beam Computed Tomography (CBCT) designed to meet the needs of dental practice. The development ...
Evaluation of Parotid Gland Function using Equivalent - J
... patients with head-neck cancer who underwent ECRI and salivary gland scintigraphy. First, we calculated ECR values (signal intensity on ECRI), maximum uptake rate (MUR) and washout rate (WOR) from salivary gland scintigraphy data at the parotid glands. Second, we investigated correlations between EC ...
... patients with head-neck cancer who underwent ECRI and salivary gland scintigraphy. First, we calculated ECR values (signal intensity on ECRI), maximum uptake rate (MUR) and washout rate (WOR) from salivary gland scintigraphy data at the parotid glands. Second, we investigated correlations between EC ...
American Association of Physicists in Medicine 40th Annual
... AAPM Annual Meeting. The success of the meeting is a result of the untiring efforts and voluntary time contributed by many AAPM Members. This is a landmark year for the Annual Meeting for two prominent reasons. For the first time, both the positions of Scientific Program Director and Co-Director are ...
... AAPM Annual Meeting. The success of the meeting is a result of the untiring efforts and voluntary time contributed by many AAPM Members. This is a landmark year for the Annual Meeting for two prominent reasons. For the first time, both the positions of Scientific Program Director and Co-Director are ...
Dr. Arenson Celebrates the Centennial with Attendees from Nigeria
... holds more than 40 U.S. and foreign patents, and many of these inventions are widely used in medical care. Dr. Ehman was awarded the gold medal of the International Society for Magnetic Resonance in Medicine in 1995 and received the RSNA Outstanding Researcher Award in 2006. He was named Mayo Clinic ...
... holds more than 40 U.S. and foreign patents, and many of these inventions are widely used in medical care. Dr. Ehman was awarded the gold medal of the International Society for Magnetic Resonance in Medicine in 1995 and received the RSNA Outstanding Researcher Award in 2006. He was named Mayo Clinic ...
diagnostic imaging in the community
... Inexpensive Equipment: Medical X-ray equipment can be purchased for as low as $5,000. This equipment, however, usually is based on decades-old technology, has very limited application or versatility, is built cheaply and is unreliable. The company providing it has limited or no service or support ca ...
... Inexpensive Equipment: Medical X-ray equipment can be purchased for as low as $5,000. This equipment, however, usually is based on decades-old technology, has very limited application or versatility, is built cheaply and is unreliable. The company providing it has limited or no service or support ca ...
Anniversary Paper: Development of x
... and professional organization in the development of an imaging modality such as CT cannot provide a complete and definitive history of the modality itself. Many significant developments in CT were published in other journals or took place at companies who may or may not have divulged proprietary inf ...
... and professional organization in the development of an imaging modality such as CT cannot provide a complete and definitive history of the modality itself. Many significant developments in CT were published in other journals or took place at companies who may or may not have divulged proprietary inf ...
CCR Template - Colorado Secretary of State
... “Half-value layer (HVL)” means the thickness of specified material which attenuates the beam of radiation to an extent such that the exposure rate is reduced by one-half of its original value. In this definition, the contribution of all scattered radiation, other than any which might be present ini ...
... “Half-value layer (HVL)” means the thickness of specified material which attenuates the beam of radiation to an extent such that the exposure rate is reduced by one-half of its original value. In this definition, the contribution of all scattered radiation, other than any which might be present ini ...
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 ...
Imaging dose from cone beam computed tomography in radiation
... therapeutic and imaging interest. In the field of CBCT imaging dose calculations the EGSnrc code system, which includes the BEAMnrc and DOSXYZnrc codes, has been extensively used alongside other general purpose MC codes such as MCNP and Geant4 [48e51,58e71]. All publications found in our literature s ...
... therapeutic and imaging interest. In the field of CBCT imaging dose calculations the EGSnrc code system, which includes the BEAMnrc and DOSXYZnrc codes, has been extensively used alongside other general purpose MC codes such as MCNP and Geant4 [48e51,58e71]. All publications found in our literature s ...
Duration and general contents of training
... and magnetic resonance imaging (MRI) and in some cases radionuclide imaging studies. This role, which is primarily diagnostic, has been expanded into the therapeutic field through various interventional imaging guided techniques, e.g. angioplasty, percutaneous abscess drainage, calculus extraction, ...
... and magnetic resonance imaging (MRI) and in some cases radionuclide imaging studies. This role, which is primarily diagnostic, has been expanded into the therapeutic field through various interventional imaging guided techniques, e.g. angioplasty, percutaneous abscess drainage, calculus extraction, ...