radiologic technology

Summary

Summary: The application of scientific knowledge or technology to the field of radiology. The applications center mostly around x-ray or radioisotopes for diagnostic and therapeutic purposes but the technological applications of any radiation or radiologic procedure is within the scope of radiologic technology.

Top Publications

  1. ncbi Problems with film processing in medical X-ray imaging in Lithuania
    Migle Sniureviciute
    Radiation Protection Centre, Kaunas department, Kaunas, Lithuania
    Radiat Prot Dosimetry 114:260-3. 2005
  2. ncbi Dose-image quality optimisation in digital chest radiography
    P Doyle
    Health Physics, Department of Clinical Physics and Bio engineering, Gartnavel Royal Hospital, Glasgow G12 OXH, UK nhs uk
    Radiat Prot Dosimetry 114:269-72. 2005
  3. ncbi Cancer risks among radiologists and radiologic technologists: review of epidemiologic studies
    Shinji Yoshinaga
    Radiation Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Department of Health and Human Services, Bethesda, MD 20892, USA
    Radiology 233:313-21. 2004
  4. ncbi Risk of melanoma among radiologic technologists in the United States
    D Michal Freedman
    Division of Cancer Epidemiology and Genetics, Radiation Epidemiology Branch, National Cancer Institute, Executive Plaza South, Room 7087, 6120 Executive Boulevard, Bethesda, MD 20892, USA
    Int J Cancer 103:556-62. 2003
  5. ncbi Cancer and other causes of mortality among radiologic technologists in the United States
    Aparna K Mohan
    Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, MD 20892 7244, USA
    Int J Cancer 103:259-67. 2003
  6. ncbi Estimating historical radiation doses to a cohort of U.S. radiologic technologists
    Steven L Simon
    Division of Cancer Epidemiology and Genetics, National Cancer Institute NCI, National Institutes of Health, Bethesda, Maryland, USA
    Radiat Res 166:174-92. 2006
  7. pmc Incidence of haematopoietic malignancies in US radiologic technologists
    M S Linet
    Division of Cancer Epidemiology and Genetics, National Cancer Institute, Department of Health and Human Services, Bethesda, MD 20892, USA
    Occup Environ Med 62:861-7. 2005
  8. ncbi Cancer incidence in the US radiologic technologists health study, 1983-1998
    Alice J Sigurdson
    Radiation Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Department of Health and Human Services, Bethesda, Maryland, USA
    Cancer 97:3080-9. 2003
  9. ncbi Mortality from diseases of the circulatory system in radiologic technologists in the United States
    Michael Hauptmann
    Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, MD, USA
    Am J Epidemiol 157:239-48. 2003
  10. ncbi An improved method for flat-field correction of flat panel x-ray detector
    Alexander L C Kwan
    Department of Radiology, U C Davis Medical Center, X ray Imaging Laboratory, 4701 X Street, Sacramento, California 95817, USA
    Med Phys 33:391-3. 2006

Research Grants

Detail Information

Publications171 found, 100 shown here

  1. ncbi Problems with film processing in medical X-ray imaging in Lithuania
    Migle Sniureviciute
    Radiation Protection Centre, Kaunas department, Kaunas, Lithuania
    Radiat Prot Dosimetry 114:260-3. 2005
    ..New equipment is being installed, new devices for quality control are being used and, last but not least, the view of hospital administrators, radiologists and laboratory workers towards quality assurance and quality control is changing...
  2. ncbi Dose-image quality optimisation in digital chest radiography
    P Doyle
    Health Physics, Department of Clinical Physics and Bio engineering, Gartnavel Royal Hospital, Glasgow G12 OXH, UK nhs uk
    Radiat Prot Dosimetry 114:269-72. 2005
    ..SNR measurements provided a useful objective measure for assessment of image quality for optimising DR systems...
  3. ncbi Cancer risks among radiologists and radiologic technologists: review of epidemiologic studies
    Shinji Yoshinaga
    Radiation Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Department of Health and Human Services, Bethesda, MD 20892, USA
    Radiology 233:313-21. 2004
    ....
  4. ncbi Risk of melanoma among radiologic technologists in the United States
    D Michal Freedman
    Division of Cancer Epidemiology and Genetics, Radiation Epidemiology Branch, National Cancer Institute, Executive Plaza South, Room 7087, 6120 Executive Boulevard, Bethesda, MD 20892, USA
    Int J Cancer 103:556-62. 2003
    ....
  5. ncbi Cancer and other causes of mortality among radiologic technologists in the United States
    Aparna K Mohan
    Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, MD 20892 7244, USA
    Int J Cancer 103:259-67. 2003
    ....
  6. ncbi Estimating historical radiation doses to a cohort of U.S. radiologic technologists
    Steven L Simon
    Division of Cancer Epidemiology and Genetics, National Cancer Institute NCI, National Institutes of Health, Bethesda, Maryland, USA
    Radiat Res 166:174-92. 2006
    ..The models and predictions presented here, while continuing to be modified and improved, represent one of the most comprehensive dose reconstructions undertaken to date for a large cohort of medical radiation workers...
  7. pmc Incidence of haematopoietic malignancies in US radiologic technologists
    M S Linet
    Division of Cancer Epidemiology and Genetics, National Cancer Institute, Department of Health and Human Services, Bethesda, MD 20892, USA
    Occup Environ Med 62:861-7. 2005
    ..There are limited data on risks of haematopoietic malignancies associated with protracted low-to-moderate dose radiation...
  8. ncbi Cancer incidence in the US radiologic technologists health study, 1983-1998
    Alice J Sigurdson
    Radiation Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Department of Health and Human Services, Bethesda, Maryland, USA
    Cancer 97:3080-9. 2003
    ..However, characterizing risk at low doses requires large populations and ideally should include a large proportion of women, both of which rarely are available...
  9. ncbi Mortality from diseases of the circulatory system in radiologic technologists in the United States
    Michael Hauptmann
    Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, MD, USA
    Am J Epidemiol 157:239-48. 2003
    ..007 and < 0.001, respectively). The data suggest increased mortality from diseases of the circulatory system with occupational radiation exposure before 1950 when radiation doses were likely high...
  10. ncbi An improved method for flat-field correction of flat panel x-ray detector
    Alexander L C Kwan
    Department of Radiology, U C Davis Medical Center, X ray Imaging Laboratory, 4701 X Street, Sacramento, California 95817, USA
    Med Phys 33:391-3. 2006
    ..76 for the fixed correction method to 4.13 for the variable flat-field correction method with a fourth-order polynomial fit for the 60 kVp spectrum, and from 16.42 to 3.97 for the 95 kVp spectrum...
  11. ncbi [Technological subjects on mammography]
    Masahiro Sai
    Nihon Hoshasen Gijutsu Gakkai Zasshi 62:636-41. 2006
  12. ncbi Computed radiography as a gamma ray detector--dose response and applications
    D S O'Keeffe
    Department of Medical Physics and Bioengineering, Christchurch Hospital, Private Bag 4710, Christchurch, New Zealand
    Phys Med Biol 49:3559-72. 2004
    ..The investigation showed that such fogging is likely to be diffuse...
  13. ncbi Effect of area x-ray beam equalization on image quality and dose in digital mammography
    Jerry Wong
    Department of Radiological Sciences, University of California, Irvine, CA 92697, USA
    Phys Med Biol 49:3539-57. 2004
    ..Moreover, equalized images of a breast phantom showed improved image quality. These results indicate that area beam equalization can improve image quality in digital mammography...
  14. ncbi Impact of the z-flying focal spot on resolution and artifact behavior for a 64-slice spiral CT scanner
    Yiannis Kyriakou
    Institute of Medical Physics, University Erlangen Nurnberg, Henkestr 91, 91052, Erlangen, Germany
    Eur Radiol 16:1206-15. 2006
    ..6 mm in the case without zFFS. The zFFS effectively reduces windmill artifacts in the reconstructed images while maintaining the transverse resolution, even at the largest available pitch value of 1.5...
  15. ncbi K-edge digital subtraction imaging based on a dichromatic and compact x-ray source
    A Sarnelli
    Dipartimento di Fisica dell Università di Ferrara and INFN Sezione di Ferrara, Via Paradiso 12, I 44100 Ferrara, Italy
    Phys Med Biol 49:3291-305. 2004
    ..A home-made phantom is used to study the image quality as a function of iodine concentration. Signal and signal-to-noise ratio analysis has also been performed. The results are compared with theoretical expectations...
  16. ncbi Quantitative assessment of computed radiography quality control parameters
    O Rampado
    Struttura Complessa Fisica Sanitaria, Azienda Ospedaliera San Giovanni Battista, Corso Bramante 88, 10126 Torino, Italy
    Phys Med Biol 51:1577-93. 2006
    ..The obtained results showed that the developed image processing tools allow us to implement a quality control program for CR with short processing time and with absence of subjectivity in the evaluation of the parameters...
  17. ncbi Ultra-high resolution flat-panel volume CT: fundamental principles, design architecture, and system characterization
    Rajiv Gupta
    Department of Radiology, Founders House, FND 2 216, Massachusetts General Hospital, 55 Fruit St, Boston, MA 02114, USA
    Eur Radiol 16:1191-205. 2006
    ..The fundamental principles of scatter correction and dose reduction are illustrated with the help of an actual prototype. The image quality metrics of this prototype are characterized and compared with a multi-detector CT (MDCT)...
  18. ncbi Technical note: Signal resolution increase and noise reduction in a CCD digitizer
    A Gonzalez
    Servicio de Radiofísica y Protección Radiológica, Hospital Universitario Virgen de la Arrixaca, Ctra Madrid Cartagena s n, E 30120 El Palmar Murcia, Spain
    Med Phys 31:525-7. 2004
    ..The procedure is applied to a commercially available CCD digitizer, and noise reduction by means of signal resolution increase is compared to that obtained by low pass filtering...
  19. ncbi Comparison of dual energy detector system performance
    Robert E Alvarez
    Aprend Technology, Mountain View, California 94043, USA
    Med Phys 31:556-65. 2004
    ....
  20. ncbi [Simplified technology for a more human approach]
    G Wahart
    J Radiol 85:937-40. 2004
  21. ncbi Near monochromatic X-rays for digital slot-scan mammography: initial findings
    Felix Diekmann
    Department of Radiology, University Hospital Charite, Schumannstrasse 20 21, 10117 Berlin, Germany
    Eur Radiol 14:1641-6. 2004
    ..The results suggest that monochromatization has a potential for improving image quality or decreasing dose in X-ray mammography...
  22. ncbi A novel method for producing x-ray test objects and phantoms
    C Theodorakou
    Clinical Physics Group, St Bartholomew s Hospital, Queen Mary University, EC1A 7BE London, UK
    Phys Med Biol 49:1423-38. 2004
    ..A good agreement between the clinical image and the printed clinical image was found. In conclusion, the method is a reliable, cost-effective, flexible and alternative way for producing x-ray test objects and clinically related phantoms...
  23. pmc Progress toward paperless radiology in the digital environment: planning, implementation, and benefits
    Matthew D Ralston
    Department of Radiology, Maine Medical Center, 22 Bramhall Street, Portland, ME 04102, USA
    J Digit Imaging 17:134-43. 2004
    ..We describe the process utilized at Maine Medical Center (MMC) to achieve a substantial degree of freedom from paperwork. Some of the benefits were expected, but some unexpected benefits also revealed themselves during this process...
  24. ncbi Dose comparison between conventional and quasi-monochromatic systems for diagnostic radiology
    P Baldelli
    Dipartimento di Fisca, Università di Ferrara and INFN, Sezione di Ferrara, Via Paradiso 12, 44100 Ferrara, Italy
    Phys Med Biol 49:4135-46. 2004
    ..With parameters chosen in this study a significant dose reduction can be achieved for two out of four kinds of examination...
  25. ncbi Image quality measurements in radiology
    M Tapiovaara
    STUK Radiation and Nuclear Safety Authority, P O Box 14, 00881 Helsinki, Finland
    Radiat Prot Dosimetry 117:116-9. 2005
    ..The main emphasis of the paper is on objective image quality measurements, however, subjective assessment methods are also discussed briefly...
  26. ncbi Clinical evaluation of a new set of image quality criteria for mammography
    A Grahn
    Department of Medical Radiation Physics, Lund University, Malmo University Hospital, 205 02 Malmo, Sweden
    Radiat Prot Dosimetry 114:389-94. 2005
    ..These results indicate that the new set of image quality criteria has a higher discriminative power than the old set and thus seems to be more suitable for evaluation of image quality in mammography...
  27. ncbi Distributions of scatter-to-primary and signal-to-noise ratios per pixel in digital chest imaging
    Gustaf Ullman
    Department of Radiation Physics, Linkoping University, SE 581 85 Linkoping, Sweden
    Radiat Prot Dosimetry 114:355-8. 2005
    ..The corresponding variation of the SNRp is a factor of 3, with the highest values in the lung. Increasing the patient thickness from 20 to 28 cm increases the epsilon(s)/epsilon(p) by a factor of 2.2 behind the spine and heart...
  28. ncbi [Place of the radiation safety officer in the implementation of the ALARA principle through European directive 97-43 items]
    J G Mozziconacci
    Service d imagerie et de médecine du travail, Hôpital J Coeur, 18020 Bourges
    J Radiol 86:455-60. 2005
    ..The different items presented in this paper should allow routine implementation of the required elements described in the law 2003-270, i.e the French translation of European Directive 97-43...
  29. ncbi Optimising automatic exposure control in computed radiography and the impact on patient dose
    P Doyle
    Health Physics, Department of Clinical Physics and Bio engineering, Gartnavel Royal Hospital, Glasgow G12 OXH, UK
    Radiat Prot Dosimetry 114:236-9. 2005
    ..Experiences gained in setting up the systems are described and results of a patient dose survey are reported...
  30. ncbi Evaluation of image quality of lumbar spine images: a comparison between FFE and VGA
    Anders Tingberg
    Department of Radiation Physics, Malmo University Hospital, SE 205 02 Malmo, Sweden
    Radiat Prot Dosimetry 114:53-61. 2005
    ..The aim of the present study is to compare two different methods for evaluation of the quality of clinical X-ray images...
  31. ncbi A software tool for increased efficiency in observer performance studies in radiology
    Sara Börjesson
    Department of Medical Physics and Biomedical Engineering, Sahlgrenska University Hospital, SE 413 45 Goteborg, Sweden
    Radiat Prot Dosimetry 114:45-52. 2005
    ..The risk of human errors in the process of data collection and analysis is also minimised. The viewer has been used in a major trial containing approximately 2700 images...
  32. ncbi Status and prospects of digital detector technology for CR and DR
    Ulrich Neitzel
    Philips Medical Systems, Röntgenstrasse 24, D 22335 Hamburg, Germany
    Radiat Prot Dosimetry 114:32-8. 2005
    ..Therefore, it is assumed that the CR and direct radiography systems will coexist for many years to come. This paper reviews the digital detector technologies and the possible future directions of development...
  33. ncbi Advances in cardiac CT imaging: 64-slice scanner
    Konstantin Nikolaou
    Department of Clinical Radiology, University Hospitals Grosshadern Ludwig Maximilians University, Munich, Germany
    Int J Cardiovasc Imaging 20:535-40. 2004
    ....
  34. ncbi Dynamic flat panel detector versus image intensifier in cardiac imaging: dose and image quality
    E Vano
    Radiology Department, Medicine School, Complutense University and San Carlos University Hospital, Madrid, Spain
    Phys Med Biol 50:5731-42. 2005
    ..There is potential in the future to set those systems with dynamic FD to lower doses than are possible in the current II versions, especially for digital cine runs, or to benefit from improved image quality...
  35. ncbi Comparison of a CCD and a flat-panel digital system in an Interventional Cardiology Laboratory
    V Tsapaki
    Medical Physics Department, Konstantopoulio Agia Olga Hospital, 3 5 Agias Olgas, Nea Ionia, 14233 Athens, Greece
    Radiat Prot Dosimetry 117:93-6. 2005
    ....
  36. ncbi AEC set-up optimisation with computed radiography imaging
    S Mazzocchi
    S O D Fisica Sanitaria, Azienda Ospedaliero Universitaria Careggi, Viale Pieraccini 17, Florence, Italy
    Radiat Prot Dosimetry 117:169-73. 2005
    ..The plate response has been characterised in terms of digital signal, exposure on the plate and signal-to-noise ratio for different beam qualities, in a patient of standard size...
  37. ncbi Flat detectors and their clinical applications
    Martin Spahn
    Siemens AG, Medical Solutions, Angiography, Fluoroscopic and Radiography Systems, Siemensstrasse 1, 91301 Forchheim, Germany
    Eur Radiol 15:1934-47. 2005
    ..These characteristics and their compatibility with strong magnetic fields are the basis for improved diagnostic methods and innovative interventional applications...
  38. ncbi Quality control of equipment used in digital and interventional radiology
    J Zoetelief
    Delft University of Technology, Iri, Mekelweg 15, 2629 JB Delft, The Netherlands
    Radiat Prot Dosimetry 117:277-82. 2005
    ..The results of the various tests are reported...
  39. ncbi Image quality and dose management in digital radiography: a new paradigm for optimisation
    H P Busch
    Department of Radiology, Krankenhaus der Barmherzigen Brudder, Nordalle, Trier, Germany
    Radiat Prot Dosimetry 117:143-7. 2005
    ..These fundamental differences in comparison to conventional film/screens necessitate the development of new strategies for dose and quality optimizations. A set of referral criteria based upon three dose levels is proposed...
  40. ncbi The application of image quality measurements for digital angiography
    A Peterzol
    Dipartimento di Fisica, Universita di Trieste, Via Valerio 2, 34100 Trieste, Italy
    Radiat Prot Dosimetry 117:38-43. 2005
    ..Setup B included X-ray radiation scattered by the patient-PMMA. A clinical DQE, describing the transmission of the input signal-to-noise ratio associated with both primary and secondary X-ray spectra, was defined...
  41. ncbi RADIUS--closing the circle on the assessment of imaging performance
    B M Moores
    Integrated Radiological Services Ltd, Unit 188 Century Buildings, Tower Street, Brunswick Business Park, Liverpool L3 4BJ, UK
    Radiat Prot Dosimetry 114:450-7. 2005
    ..The relevance of the project's outcomes to future European research will also be presented...
  42. ncbi [New computed radiography technologies in digital radiography]
    R Fasbender
    Healthcare, Agfa Gevaert AG, Munich
    Radiologe 43:367-73. 2003
    ..After a brief review of the current state of CR technology, this paper will explore several of these new CR developments and present some examples of their potential clinical impact...
  43. ncbi The role of open-source software in innovation and standardization in radiology
    Bradley J Erickson
    Department of Radiology, Radiology Informatics Laboratory, Mayo Clinic, Rochester, MN 55905, USA
    J Am Coll Radiol 2:927-31. 2005
    ..Continued support for OSS is essential for the success of our field...
  44. ncbi Flat-detector computed tomography (FD-CT)
    Willi A Kalender
    Institute of Medical Physics, University of Erlangen Nuernberg, Henkestr 91, 91052, Erlangen, Germany
    Eur Radiol 17:2767-79. 2007
    ....
  45. ncbi A new extended-length parallel-plate ionization chamber
    Ana F Maia
    Instituto de Pesquisas Energéticas e Nucleares, Comissao Nacional de Energia Nuclear, Av Prof Lineu Prestes, 2242, CEP 05508 000, Sao Paulo, Brazil
    Phys Med Biol 50:3837-47. 2005
    ..The new ionization chamber was submitted to several characterization and quality control tests, showing its very good performance...
  46. ncbi [Digital mammography: performance evaluation parameters and available systems in France]
    J Stines
    J Radiol 88:933-42. 2007
    ..For each vendor, the type of detector, type of available mammographic units and workstation, optional features (CAD), archival and printing possibilities (when vendors specifically offer dedicated solutions)...
  47. ncbi Advances in computed radiography systems and their physical imaging characteristics
    A R Cowen
    LXi_Research, Academic Unit of Medical Physics, The University of Leeds, Leeds, West Yorkshire, UK
    Clin Radiol 62:1132-41. 2007
    ..As a result CR currently affords greater scope for reducing patient dose, and provides a more substantive challenge to the new solid-state, flat-panel, digital radiography detectors...
  48. ncbi A practical method to determine the heating and cooling curves of x-ray tube assemblies
    M Bottaro
    Instituto de Eletrotécnica e Energia da Universidade de São Paulo, Av Prof Luciano Gualberto, 1289, CEP 05508 010, Sao Paulo, SP, Brazil
    Med Phys 34:3982-6. 2007
    ..In the present work we describe procedures which use a calorimetric system and do not require the operation of the x-ray equipment. The method was applied successfully to a x-ray tube assembly that was under test in our laboratory...
  49. ncbi Reduction of a grid moiré pattern by integrating a carbon-interspaced high precision x-ray grid with a digital radiographic detector
    Jai Woong Yoon
    Department of Biomedical Engineering, College of Medicine, The Catholic University of Korea, Seoul 137 701, Korea
    Med Phys 34:4092-7. 2007
    ..The image quality factors including the contrast, signal-to-noise ratio and uniformity in the images with and without the moiré pattern were investigated...
  50. doi Solid-state, flat-panel, digital radiography detectors and their physical imaging characteristics
    A R Cowen
    LXi Research, Academic Unit of Medical Physics, The University of Leeds, West Yorkshire, UK
    Clin Radiol 63:487-98. 2008
    ..Salient innovations include WiFi-enabled, portable DR detectors, improvements in x-ray absorber layers and developments in alternative electronic media to a-Si:H...
  51. doi What is cone-beam CT and how does it work?
    William C Scarfe
    Department of Surgical Hospital Dentistry, University of Louisville School of Dentistry, 501 South Preston Street, Louisville, KY 40292, USA
    Dent Clin North Am 52:707-30, v. 2008
    ..Future enhancements most likely will be directed toward reducing scan time; providing multimodal imaging; improving image fidelity, including soft tissue contrast; and incorporating task-specific protocols to minimize patient dose...
  52. ncbi Dose reduction in skeletal and chest radiography using a large-area flat-panel detector based on amorphous silicon and thallium-doped cesium iodide: technical background, basic image quality parameters, and review of the literature
    Markus Volk
    Department of Diagnostic Radiology, University Hospital of Regensburg, Franz Josef Strauss Allee 11, 93053 Regensburg, Germany
    Eur Radiol 14:827-34. 2004
    ..Due to its high detective quantum efficiency and dynamic range compared with traditional screen-film systems, a dose reduction of up to 50% is possible without loss of image quality...
  53. ncbi Precise image-receptor calibration and monitoring of beam quality with a step wedge
    R A Couture
    Department of Radiology, Washington University, 510 South Kingshighway, St Louis, MO 63110, USA
    Dentomaxillofac Radiol 31:56-62. 2002
    ..To describe an extended bootstrap calibration procedure that uses a step-wedge absorber and minimal equipment for rapid, accurate calibration of image receptors and simultaneous monitoring of beam quality...
  54. ncbi Image quality assessment and radiation doses in intraoral radiography
    E N Yakoumakis
    Department of Medical Physics, University of Athens Medical School, Greece
    Oral Surg Oral Med Oral Pathol Oral Radiol Endod 91:362-8. 2001
    ..The mean entrance surface dose for imaging the phantom was 3.8 mGy. CONCLUSION: Intraoral imaging techniques and film processing must be standardized to improve image quality and further reduce patient radiation doses...
  55. pmc Molecular imaging in radiology: the latest fad or the new frontier?
    Gabriel P Krestin
    Eur Radiol 16:2383-5. 2006
  56. ncbi [Detection of drug transport using X-ray techniques]
    Hermann Vogel
    Aus der Abteilung Röntgendiagnostik des Asklepios Klinikums St Georg Hamburg
    Arch Kriminol 218:1-21. 2006
    ..The pictures obtained with the backscatter technique show the person checked in the nude, which raises the question of privacy versus the right of the state to carry out inspections and controls...
  57. ncbi [Flat-panel detectors in X-ray systems]
    M Spahn
    Angiographie, Durchleuchtungs und Aufnahmesysteme, Medical Solutions, Siemens AG, Forchheim
    Radiologe 43:340-50. 2003
    ....
  58. ncbi Management of patient dose and image noise in routine pediatric CT abdominal examinations
    Francis R Verdun
    University Institute for Applied Radiophysics, Grand pré 1, 1007 Lausanne, Switzerland
    Eur Radiol 14:835-41. 2004
    ..The proposed values correspond to high- quality images and can be reduced if only high-contrast organs are assessed...
  59. ncbi A comparison of film-screen, CR and DR: a community hospital time-motion study
    Mitesh Mehta
    St Joseph s Health Centre, Toronto, Ontario, Canada
    Radiol Manage 25:38-42. 2003
    ..DR may not deliver significant improvements in efficiencies for certain types of examinations...
  60. ncbi A novel technique to suppress grid line artifacts
    David M Gauntt
    X Ray Imaging Innovations, Birmingham, Alabama 35209, USA
    Med Phys 33:1654-67. 2006
    ..The technique allows for the design of compact coarse strip density grid systems. We present experimental results that demonstrate the feasibility of the technique...
  61. ncbi The evolution of digital radiography: from storage phosphors to flat-panel detectors
    Alessandra Porcelli
    Istituto di Radiologia, Universita Cattolica del S Cuore, Policlinico A Gemelli, Roma, Italy
    Rays 28:5-12. 2003
    ....
  62. ncbi Signal detectability in digital radiography: spatial domain figures of merit
    Robert M Gagne
    Center for Devices and Radiological Health, FDA, 12720 Twinbrook Parkway, Rockville, Maryland 20857, USA
    Med Phys 30:2180-93. 2003
    ....
  63. ncbi Use of a quality index in threshold contrast detail detection measurements in television fluoroscopy
    D J Gallacher
    Medical Physics Department, Guy s and St Thomas Hospital, London SE1 7EH, UK
    Br J Radiol 76:464-72. 2003
    ..The TCDD quality index, and dose normalized quality index, were found to be useful image quality assessment parameters for serial testing of systems, which augment the use of graphical methods for the display of TCDD curves...
  64. ncbi [The amorphous selenium based flat-panel detector. Clinical experiences]
    E L Schmidt
    Zentrum Radiologie, Westpfalz Klinikum GmbH Kaiserslautern
    Radiologe 43:374-8. 2003
    ..The working and advantages of the amorphous selenium based direct-conversion detectors will be examined in detail. Clinical cases will be presented based on a three-year experience with over 200,000 exposures with a detector chest unit...
  65. ncbi [Digital thorax radiography: flat-panel detector or storage phosphor plates]
    C Schaefer-Prokop
    Universitatsklinik fur Radiodiagnostik, AKH Vienna, Austria
    Radiologe 43:351-61. 2003
    ..These facts are further underlined by the fact that image quality also in storage phosphor radiography could be constantly increased by improving detector technology and image processing and consequently has a high standard...
  66. ncbi [Flat-screen detector systems in skeletal radiology]
    S Grampp
    Abteilung für Osteologie, Universitätsklinik für Radiodiagnostik Vienna, Austria
    Radiologe 43:362-6. 2003
    ....
  67. ncbi Cooperative ventures in a competitive environment: the influence of regulation on management decisions
    J P Weingarten
    Mid South Foundation for Medical Care, Memphis, TN, USA
    J Healthc Manag 44:282-300. 1999
    ..The interviews confirm a preemptive motive behind each hospital's decision to compete and that the certificate-of-need requirement contributed to the eventual joint venture agreement...
  68. ncbi Capabilities of computerized clinical decision support systems: the implications for the practicing dental professional
    Hikmet Umar
    Department of Information Sciences and Telecommunications, School of Information Sciences, University of Pittsburgh, USA
    J Contemp Dent Pract 3:27-42. 2002
    ..A quality matrix identifies target values for dental informatics while demonstrating an "importance-weighting" of dental characteristics...
  69. ncbi Radiologic sciences. Faculty needs assessment
    Kevin J Powers
    Radiol Technol 76:211-5. 2005
    ..Finally, the retention of educators must be emphasized. Program applicant trends indicate radiologic technology students are older, have prior postsecondary education experience or are making a career change...
  70. ncbi Laparoscopic lymph node dissection for gastric cancer with intraoperative navigation using three-dimensional angio computed tomography images reconstructed as laparoscopic view
    S Takiguchi
    Department of Surgery and Clinical Oncology, Graduate School of Medicine, Osaka University, 2 2 Yamadaoka, Suita, Osaka 565 0876, Japan
    Surg Endosc 18:106-10. 2004
    ..We report our experience with laparoscopic gastrectomy with radical lymph node dissection using this advanced radiological technology...
  71. doi Enhancement of visual perception with use of dynamic cues
    Marcelo E Andia
    Department of Radiology, Faculty of Biological Sciences, Biomedical Imaging Center, Pontificia Universidad Catolica de Chile, Santiago, Chile
    Radiology 250:551-7. 2009
    ..Supplemental material: http://radiology.rsnajnls.org/cgi/content/full/250/2/551/DC1...
  72. ncbi Recruitment and retention topics for a changing environment in medical imaging
    D R Luckett
    Crittenden Memorial Hospital, West Memphis, Ark, USA
    Radiol Manage 22:32-7. 2000
    ..One is the closure of many hospital and community college-based programs of radiologic technology in the late 1980s and 1990s...
  73. ncbi Distance assisted training in sub-Saharan Africa: a program evaluation
    Geraldine M Philotheou
    Radiography Education, Peninsula Technikon Groote Schuur Hospital, Cape Town, South Africa
    J Nucl Med Technol 32:166-70. 2004
    ..have access to formal training in nuclear medicine and have been recruited mostly from related fields of radiologic technology. Because of the nature of the specialty, the numbers that require training are small, and it is therefore ..
  74. ncbi Nonprogrammatic accreditation: programs and attitudes
    Becky Britt
    Northwestern State University in Shreveport, Louisiana, USA
    Radiol Technol 80:123-9. 2008
    ..Radiologic science programs subscribe to regional or programmatic accreditation or both. Decisions regarding the type of accreditation a program holds are based on many factors...
  75. ncbi Segmentation of the posterior ribs in chest radiographs using iterated contextual pixel classification
    Marco Loog
    Image Sciences Institute, University Medical Center Utrecht, 3508 GA Utrecht, The Netherlands
    IEEE Trans Med Imaging 25:602-11. 2006
    ..In a sixfold cross-validation experiment, ICPC achieves a classification accuracy of 0.86 +/- 0.06, as compared to 0.94 +/- 0.02 for the second human observer...
  76. ncbi [Estimation of entrance skin dose from fluoroscopy for tracking fiducial markers during real-time tumor-tracking radiotherapy-simulation with a sine wave respiration model-]
    Masateru Kawakubo
    Division of Radiology, Department of Medical Technology, Kyushu University Hospital
    Nihon Hoshasen Gijutsu Gakkai Zasshi 65:456-61. 2009
    ..We applied sine wave simulation to resemble the respiratory motion of the tumor. In conclusion, we confirm that entrance skin dose from fluoroscopy during RTRT is lower than the threshold dose for radiodermatitis...
  77. doi Quantitative evaluation of expression difference in report assignments between nursing and radiologic technology departments
    Naoki Nishimoto
    Department of Healthcare Systems Research, Graduate School of Medicine, Hokkaido University, Sapporo, Japan
    Radiol Phys Technol 4:29-36. 2011
    ..study was to investigate the expression differences in report assignments between students in nursing and radiologic technology departments...
  78. ncbi The path to simulated learning: developing a valid and reliable tool to evaluate performance of radiological technology students in patient interactions
    Rae Gropper
    Michener Institute for Applied Health Sciences, Toronto, Ontario, Canada
    J Allied Health 39:28-33. 2010
    ....
  79. ncbi Factors to consider in the transition to digital radiological imaging
    David MacDonald
    Division of Oral and Maxillofacial Radiology, Faculty of Dentistry, University of British Columbia, Canada
    J Ir Dent Assoc 55:26-34. 2009
    ..He/she should also consider the mode of display, image enhancement, radiation dose reduction, how the image can be stored long term, and infection control...
  80. ncbi A new parameter enhancing breast cancer detection in computer-aided diagnosis of X-ray mammograms
    Nobuyoshi Tanki
    Department of Medical Physics and Engineering, Division of Medical Technology and Science, Course of Health Science, Graduate School of Medicine, Osaka University, 1 7 Yamadaoka, Suita, Osaka 565 0871, Japan
    Igaku Butsuri 26:207-15. 2006
    ..When Q-FD was added to inputs in addition to the above parameters, the A(z) value was significantly improved to become 0.93+/-0.09. These results suggested that Q-FD is effective for discriminating between benign and malignant masses...
  81. doi Imaging of peritoneal carcinomatosis
    Santiago Gonzalez-Moreno
    Peritoneal Surface Oncology Program, Department of Surgical Oncology, Centro Oncológico MD Anderson International España, Calle Arturo Soria 270, Madrid 28033, Spain
    Cancer J 15:184-9. 2009
    ..Magnetic resonance imaging may offer complementary valuable data. Positron emission tomography (PET) has a more limited role, its main indication being the detection of unsuspected extraperitoneal involvement in nonmucinous neoplasms...
  82. ncbi The radiologist assistant: the solution to radiology workforce needs
    Norman McLeod
    Department of Medical Imaging Sciences, School of Health Related Professions, University of Medicine and Dentistry of New Jersey, 65 Bergen Street, Newark, NJ 07101 3001, USA
    Emerg Radiol 17:253-6. 2010
    ..The authors suggest that RAs are the ideal complement to radiologists; and based on their radiologic technology background, have a vested interest in the field.
  83. ncbi Establishing a health outcomes and economics center in radiology: strategies and resources required
    L Santiago Medina
    Department of Radiology, Miami Children s Hospital, 3100 SW 62 Avenue, Miami, FL 33155, USA
    Pediatr Radiol 32:755-64. 2002
    ..To describe the resources and strategies required to establish a health outcomes and economics center in radiology...
  84. doi Performance analysis of a new computer aided detection system for identifying lung nodules on chest radiographs
    Russell C Hardie
    Department of Electrical and Computer Engineering, University of Dayton, 300 College Park, Dayton, OH 45469 0232, United States
    Med Image Anal 12:240-58. 2008
    ..1% of the nodules in the JRST test set with and average of 4.0 false positives per image (excluding 14 cases containing lung nodules in retrocardiac and subdiaphragmatic regions of the lung)...
  85. ncbi The influence of liquid crystal display (LCD) monitors on observer performance for the detection of nodular lesions on chest radiographs
    H Usami
    Department of Radiology, Nagoya University Graduate School of Medicine, 65 Tsurumai Cho, Showa Ku, Nagoya, 466 8560, Japan
    Eur Radiol 16:726-32. 2006
    ..To access the influence of liquid crystal display (LCD) monitors on the detectability of nodular lesions depicted on chest radiographs by comparing them with a high-resolution cathode ray tube (CRT) monitor...
  86. pmc One year's results from a server-based system for performing reject analysis and exposure analysis in computed radiography
    A Kyle Jones
    Department of Imaging Physics, The University of Texas M D Anderson Cancer Center, 1515 Holcombe Blvd, Unit 1352, Houston, TX 77030, USA
    J Digit Imaging 24:243-55. 2011
    ..The distributions were positively skewed and leptokurtic. S value decreases due to radiologic technology student rotations, and CR plate reader calibrations were observed...
  87. pmc What causes increasing and unnecessary use of radiological investigations? A survey of radiologists' perceptions
    Kristin B Lysdahl
    Faculty of Health Sciences, Oslo University College, Oslo, Norway
    BMC Health Serv Res 9:155. 2009
    ..Radiologists hold key positions for providing such knowledge. Therefore the purpose of this study was to obtain radiologists' perspective on the causes of increasing and unnecessary use of radiological investigations...
  88. ncbi The first 50 years of military radiology 1895-1945
    Adrian M K Thomas
    Department of Nuclear Medicine, Princess Royal University Hospital, Orpington, Kent BR6 8ND, UK
    Eur J Radiol 63:214-9. 2007
    ..In addition the needs of warfare stimulated the development of all aspects of radiology...
  89. ncbi Educational program emergency planning
    Tammy Curtis
    Northwestern State University in Shreveport, Louisiana, USA
    Radiol Technol 80:515-22. 2009
    ..Tragic university shootings have prompted administrators of higher education institutions to re-evaluate their emergency preparedness plans and take appropriate measures for preventing and responding to emergencies...
  90. ncbi [Progress in skeletal age estimation with measurement method of X-ray film]
    Lei Wan
    Department of Forensic Medicine, Medical College of Soochow University, Suzhou, China
    Fa Yi Xue Za Zhi 25:373-5. 2009
    ..According to the relationships the personal life age may be estimated. In this article the measurement methods above mentioned and its application in age estimation were reviewed...
  91. ncbi Forensic radiography: an overview
    April Reynolds
    Philosophy, University of California, Los Angeles, Biomedical Writing, University of the Sciences, Philadelphia, USA
    Radiol Technol 81:361-79. 2010
    ..specialties to aid in investigating civil and criminal matters has increased as investigators realize how radiologic technology can yield information that otherwise is unavailable...
  92. doi [Portal vein embolization before surgery for liver tumours]
    Øystein Mathisen
    Kirurgisk klinikk
    Tidsskr Nor Laegeforen 129:29-32. 2009
    ..Embolization of the portal vein in the tumour-bearing side of the liver may induce growth of the healthy part and thereby render liver resection possible...
  93. ncbi The staffing shortage: AHRA responds
    Penny M Olivi
    Radiology Department, University of Maryland Medical Center, Baltimore, Maryland, USA
    Radiol Manage 24:36-41. 2002
    ..Create a quality monitor useful to the majority of radiology leaders to begin to systematically document the shortage. Support limited licensure and/or create a defined position of "staff extender" for radiologic technology.
  94. ncbi NMTCB report
    Anthony Knight
    J Nucl Med Technol 30:57-8. 2002
  95. ncbi [Basic three-dimensional rendering techniques used in diagnostic imaging]
    Kazimierz Szopiński
    Pol Merkur Lekarski 12:5-10. 2002
    ..Data acquisition and processing methods, current applications, and development trends are discussed...
  96. ncbi Imaging humeral fractures
    Dan L Hobbs
    Idaho State University, Pocatello, USA
    Radiol Technol 78:521-4. 2007
  97. ncbi Effect of over- and underexposure on the sharpness of the image of a marker in computer-assisted dental implant tomography
    K H Thunthy
    Department of Oral Diagnosis, Medicine and Radiology, Louisiana State University School of Dentistry, New Orleans, Louisiana 70119 2799, USA
    Dentomaxillofac Radiol 31:278-80. 2002
    ..However, if the images were over- or underexposed, the marker will be blurred on all the slices and a dentist may be wrongly accused of having placed a dental implant at an improper site with possible medico-legal ramifications...
  98. ncbi The role of a certification organization
    Rosanne A Paschal
    Radiol Technol 73:591-3. 2002
  99. ncbi New sonographic techniques for harmonic imaging--underlying physical principles
    Christian Kollmann
    Center for Biomedical Engineering and Physics, Medical University of Vienna, Waehringer Guertel 18 20, A 1090 Vienna, Austria
    Eur J Radiol 64:164-72. 2007
    ..Finally the latest safety issues concerning applications of modern (harmonic) imaging techniques with contrast agents are given...
  100. ncbi Polymorphisms in DNA repair genes, ionizing radiation exposure and risk of breast cancer in U.S. Radiologic technologists
    Parveen Bhatti
    Radiation Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, NIH, DHHS, Bethesda, MD 20892 7238, USA
    Int J Cancer 122:177-82. 2008
    ..The suggestive evidence found for modification of radiation-related breast cancer risk for 5 of the 55 SNPs evaluated requires confirmation in larger studies of women with quantified radiation breast doses in the low-to-moderate range...
  101. ncbi Comparative evaluation of Wellhöfer ion chamber array and Scanditronix diode array for dynamic wedge dosimetry
    T Ackerly
    Department of Physical Sciences, Peter MacCallum Cancer Institute, East Melbourne, Victoria
    Australas Phys Eng Sci Med 20:71-83. 1997
    ..7%. Finally a benchmark for comparison of different measuring systems based on quality assurance requirements for the enhanced dynamic wedge is suggested...

Research Grants101 found, 100 shown here

  1. ADVANCED TECHNOLOGY FLAT PANEL IMAGER FOR FLUOROSCOPY
    Larry Antonuk; Fiscal Year: 2001
    ..The successful development of a technology exhibiting these performance levels could have a profound impact on digital radiology. ..
  2. Energy-based image reconstruction for new generation PET
    LUCRETIU POPESCU; Fiscal Year: 2007
    ....
  3. OPTIMIZATION OF HIGH DOSE CONFORMAL THERAPY
    Benedick Fraass; Fiscal Year: 2007
    ....
  4. Computer Aided Diagnostic Lung Cancer Detection Classification Computed Tomograph
    Qiang Li; Fiscal Year: 2007
    ..It is expected from the observer study that radiologists would significantly improve their detection and diagnosis accuracy for lung cancer with the aid of the interactive CAD scheme. ..
  5. American College of Radiology Imaging Network
    BRUCE HILLMAN; Fiscal Year: 2007
    ..ACRIN trials will focus on the cancers which affect the greatest number of individuals, that produce the greatest morbidity and mortality, and that impose the largest financial costs to society. ..
  6. ACRIN FELLOWSHIP TRAINING PROGRAM
    BRUCE HILLMAN; Fiscal Year: 2004
    ..Fellows who have suitably progreessed will be given an opportunity to develop and lead an ACRIN trial as PI under the tutelege of Program mentors. ..
  7. METHODOLOGY FOR ONCOLOGY IMAGING WITH A PET/CT SCANNER
    David Townsend; Fiscal Year: 2002
    ..The proposed developments in methodology will further improve the image quality of PET/CT studies. ..
  8. A High Performance PET and CT Tomograph
    David Townsend; Fiscal Year: 2004
    ..abstract_text> ..
  9. ADVANCED TECHNOLOGY QA CENTER
    James Purdy; Fiscal Year: 2007
    ..Our ATC QA consortium approach will help avoid duplication of service/developmental efforts and promote development of uniform credentialing/QA criteria for clinical trials throughout all Cooperative Groups. ..
  10. An Image Guided Small Animal Radiation Research Platform
    John Wong; Fiscal Year: 2007
    ..The collaborative efforts are best coordinated in a Bioengineering Research Partnership (BRP). An Oversight Group is formed to evaluate the progress of the BRP, and to help identify opportunities and hypotheses for future research. ..
  11. Eyestrain in Radiologists
    Elizabeth Krupinski; Fiscal Year: 2007
    ..Only by developing a better understanding of the nature of observer error, may we discover effective approaches to reducing the errors. ..
  12. Breast CT scanner for earlier cancer detection
    John M Boone; Fiscal Year: 2010
    ..At the end of this program of research and discovery, breast CT will likely be shown to be a key clinical tool for the diagnosis and treatment of breast cancer. ..
  13. MIPS XII Conference
    Elizabeth Krupinski; Fiscal Year: 2007
    ....
  14. Medical Image Perception Society Confrence XI
    Elizabeth Krupinski; Fiscal Year: 2005
    ..abstract_text> ..
  15. Eyestrain in Radiologists
    Elizabeth Krupinski; Fiscal Year: 2009
    ..Only by developing a better understanding of the nature of observer error, may we discover effective approaches to reducing the errors. ..
  16. Early Detection of Lung Cancer via Bi Plane Correlation
    Ehsan Samei; Fiscal Year: 2002
    ..The findings will be used to demonstrate the capability of the approach for improving the detection of lung nodules, and thus the prognosis of lung cancer. ..
  17. Application of Breast Imaging Techn to Molecular Imaging
    Mark Williams; Fiscal Year: 2003
    ..Use mathematical and physical phantoms to evaluate 3D cone beam reconstruction techniques 5. Construct and characterize an integrated system, combining the CT and SPECT systems on a single gantry. ..
  18. SCAR TRIP Conference: Transforming Medical Imaging
    Katherine Andriole; Fiscal Year: 2004
    ..abstract_text> ..
  19. MRI of Fetal Ventriculomegaly: Morphology and Outcome
    Deborah Levine; Fiscal Year: 2007
    ..The results of this project have the potential to benefit the practice of radiologists, obstetricians, pediatricians, neonatologists, and pediatric neurologists involved in the care of pregnant women with fetuses with VM. ..
  20. Ancillary 129Xe Studies for COPDGene
    Samuel Patz; Fiscal Year: 2010
    ....
  21. Non-Invasive Localization of Vulnerable Plaques
    Cynthia McCollough; Fiscal Year: 2009
    ....
  22. Non-Invasive Localization of Vulnerable Plaques
    Cynthia McCollough; Fiscal Year: 2009
    ....
  23. OPTIMIZING SOFTCOPY DISPLAYS FOR DIGITAL MAMMOGRAPHY
    Elizabeth Krupinski; Fiscal Year: 2003
    ..The JND metrix model will then be used to systematically explore and optimize CRT design tradeoffs for current and future digital-mammography display systems. ..
  24. SODIUM EFFECTS ON BONE METABOLISM
    Laura Carbone; Fiscal Year: 2002
    ..This study proposes to examine the effects of sodium load and then a sodium restriction diet of calciotropic hormones and biochemical markers of bone metabolism in African American and Caucasian women. ..
  25. Manipulating b1 integrin to enhance radiation therapy for breast cancer
    Catherine Park; Fiscal Year: 2009
    ....
  26. RADIATION THERAPY WITH ACTIVE BREATHING CONTROL
    John Wong; Fiscal Year: 2001
    ..Clinical feasibility of treatment with ABC will also be tested on 25 patients undergoing conventional treatment by studying the reproducibility and acceptance of the procedure by the patients and the treatment personnel. ..
  27. Optimized Compression for Telepathology Virtual Slides
    Elizabeth Krupinski; Fiscal Year: 2009
    ....
  28. ENHANCED EVALUATION OF FETAL CNS WITH ULTRAFAST MRI
    Deborah Levine; Fiscal Year: 2002
    ..Thus the results of this study could significantly decrease morbidity of fetuses with ventriculomegaly. ..
  29. GAS EXCHA03NGE IMAGING IN THE LUNG USING MRI
    Samuel Patz; Fiscal Year: 2001
    ..Early detection of the loss of alveolar surface area is a serious public health imperative, since chronic obstructive pulmonary disease is now the Th leading cause of death in the US. ..
  30. Conference--Medical Image Perception
    Elizabeth Krupinski; Fiscal Year: 2003
    ..This grant will be used to provide financial support for about 12 graduate students and residents, as well as logistic support for publicity and program printing. ..
  31. An Integrated PET-MRI System for Molecular Imaging
    Bernd Pichler; Fiscal Year: 2005
    ..abstract_text> ..
  32. Change Detection in Serial MRIs of Patients with Brain Gliomas
    Bradley Erickson; Fiscal Year: 2007
    ..It is our hope that in the future, a measurement method superior to or as an adjunct to human observation will become available, though this study will not attempt to go that far. ..
  33. Optimized Compression for Telepathology Virtual Slides
    Elizabeth Krupinski; Fiscal Year: 2007
    ....
  34. HETEROGENEITY CORRECTIONS IN BRACHYTHERAPY DOSIMETRY
    Jeffrey Williamson; Fiscal Year: 2005
    ..abstract_text> ..
  35. Non-Invasive Imaging of T Cell Trafficking
    Bernd Pichler; Fiscal Year: 2006
    ..abstract_text> ..
  36. Infrastructure and Applications of Hyperpolarized 129Xe
    Samuel Patz; Fiscal Year: 2006
    ..A polarizer will be built, sited and supported at Brigham and Women's Hospital. Animal and human studies are proposed to demonstrate the structural and functional information 129Xe MRI can provide. ..
  37. ADVANCED TECHNOLOGY QA CENTER
    James Purdy; Fiscal Year: 2006
    ..abstract_text> ..