radiography

Summary

Summary: Examination of any part of the body for diagnostic purposes by means of roentgen rays, recording the image on a sensitized surface (such as photographic film).

Top Publications

  1. ncbi Stress radiography for quantifying posterior cruciate ligament deficiency
    Fabrizio Margheritini
    University of Motor Sciences, Rome, Italy
    Arthroscopy 19:706-11. 2003
  2. ncbi Cost-effectiveness of lumbar spine radiography in primary care patients with low back pain
    Paul Miller
    School of Economics and Trent Institute for Health Services Research, University of Nottingham, Queens Medical Centre, Nottingham, United Kingdom
    Spine (Phila Pa 1976) 27:2291-7. 2002
  3. ncbi Cancer risks from medical radiation
    Elaine Ron
    Division of Cancer Epidemiology and Genetics, National Cancer Institute, EPS 7048, 6120 Executive Boulevard, Bethesda, MD 20892, USA
    Health Phys 85:47-59. 2003
  4. ncbi Intravertebral clefts in osteoporotic vertebral compression fractures
    Fergus McKiernan
    Center for Bone Diseases, Marshfield Clinic, Marshfield, Wisconsin 54449, USA
    Arthritis Rheum 48:1414-9. 2003
  5. pmc Role of the supine lateral radiograph of the spine in vertebroplasty for osteoporotic vertebral compression fracture: a prospective study
    Meng Huang Wu
    Department of Orthopedic Surgery, Chang Gung Memorial Hospital at Chiayi, Chiayi, Taiwan
    BMC Musculoskelet Disord 11:164. 2010
  6. ncbi Dynamic measures of regional lung air volume using phase contrast x-ray imaging
    M J Kitchen
    School of Physics, Monash University, Melbourne VIC 3800, Australia
    Phys Med Biol 53:6065-77. 2008
  7. pmc Exposure to low-dose ionizing radiation from medical imaging procedures
    Reza Fazel
    Division of Cardiology, Department of Medicine, Emory University School of Medicine, Atlanta, GA 30306, USA
    N Engl J Med 361:849-57. 2009
  8. ncbi Perception research in medical imaging
    D J Manning
    Division of Medical Imaging Sciences, St Martin s College, Lancaster, UK
    Br J Radiol 78:683-5. 2005
  9. ncbi Comparison of digital direct readout radiography with conventional film-screen radiography for the recognition of pneumoconiosis in dust-exposed Chinese workers
    Ling Mao
    Department of Pneumoconiosis, Shanghai Pulmonary Hospital, Tongji University School of Medicine, China
    J Occup Health 53:320-6. 2011
  10. ncbi Comparison of radiography and computed tomography to evaluate metacarpo/metatarsophalangeal joint pathology of paired limbs of thoroughbred racehorses with severe condylar fracture
    Joseph W Morgan
    Comparative Orthopedic Research Laboratory, Department of Surgical Sciences, School of Veterinary Medicine, University of Wisconsin, Madison, WI, USA
    Vet Surg 35:611-7. 2006

Detail Information

Publications214 found, 100 shown here

  1. ncbi Stress radiography for quantifying posterior cruciate ligament deficiency
    Fabrizio Margheritini
    University of Motor Sciences, Rome, Italy
    Arthroscopy 19:706-11. 2003
    The objective of this study was to evaluate the efficacy of different stress radiography techniques in quantifying a posterior cruciate ligament (PCL) lesion.
  2. ncbi Cost-effectiveness of lumbar spine radiography in primary care patients with low back pain
    Paul Miller
    School of Economics and Trent Institute for Health Services Research, University of Nottingham, Queens Medical Centre, Nottingham, United Kingdom
    Spine (Phila Pa 1976) 27:2291-7. 2002
    ..Fifty-two practices in the East Midlands, United Kingdom, were included...
  3. ncbi Cancer risks from medical radiation
    Elaine Ron
    Division of Cancer Epidemiology and Genetics, National Cancer Institute, EPS 7048, 6120 Executive Boulevard, Bethesda, MD 20892, USA
    Health Phys 85:47-59. 2003
    ....
  4. ncbi Intravertebral clefts in osteoporotic vertebral compression fractures
    Fergus McKiernan
    Center for Bone Diseases, Marshfield Clinic, Marshfield, Wisconsin 54449, USA
    Arthritis Rheum 48:1414-9. 2003
    ..To describe the characteristics, radiographic appearance, and significance of intravertebral clefts in vertebral compression fractures (VCFs) of patients with osteoporosis presenting for vertebroplasty...
  5. pmc Role of the supine lateral radiograph of the spine in vertebroplasty for osteoporotic vertebral compression fracture: a prospective study
    Meng Huang Wu
    Department of Orthopedic Surgery, Chang Gung Memorial Hospital at Chiayi, Chiayi, Taiwan
    BMC Musculoskelet Disord 11:164. 2010
    ..The purposes of this study were to: (1) evaluate the efficacy of SuLR to detect IVCs and assess the intravertebral mobility in VCFs, and (2) evaluate the short-term results of vertebroplasty in severely collapsed VCFs with IVCs...
  6. ncbi Dynamic measures of regional lung air volume using phase contrast x-ray imaging
    M J Kitchen
    School of Physics, Monash University, Melbourne VIC 3800, Australia
    Phys Med Biol 53:6065-77. 2008
    ..Furthermore, regional ventilation was measured by partitioning the phase contrast images, which revealed differences in aeration for different ventilation strategies...
  7. pmc Exposure to low-dose ionizing radiation from medical imaging procedures
    Reza Fazel
    Division of Cardiology, Department of Medicine, Emory University School of Medicine, Atlanta, GA 30306, USA
    N Engl J Med 361:849-57. 2009
    ..The growing use of imaging procedures in the United States has raised concerns about exposure to low-dose ionizing radiation in the general population...
  8. ncbi Perception research in medical imaging
    D J Manning
    Division of Medical Imaging Sciences, St Martin s College, Lancaster, UK
    Br J Radiol 78:683-5. 2005
  9. ncbi Comparison of digital direct readout radiography with conventional film-screen radiography for the recognition of pneumoconiosis in dust-exposed Chinese workers
    Ling Mao
    Department of Pneumoconiosis, Shanghai Pulmonary Hospital, Tongji University School of Medicine, China
    J Occup Health 53:320-6. 2011
    ..Diagnostic standards for the pneumoconioses are based on traditional film-screen radiography (FSR)...
  10. ncbi Comparison of radiography and computed tomography to evaluate metacarpo/metatarsophalangeal joint pathology of paired limbs of thoroughbred racehorses with severe condylar fracture
    Joseph W Morgan
    Comparative Orthopedic Research Laboratory, Department of Surgical Sciences, School of Veterinary Medicine, University of Wisconsin, Madison, WI, USA
    Vet Surg 35:611-7. 2006
    ..To compare the orthogonal radiographic (OR) and computed tomographic (CT) appearance of paired Thoroughbred racehorse limbs with severe condylar fracture...
  11. ncbi Emergency physicians' attitudes toward and use of clinical decision rules for radiography
    I D Graham
    Ottawa Civic Hospital, Ontario, Canada
    Acad Emerg Med 5:134-40. 1998
    ..characteristics associated with decision rule use; 2) to determine the use of CT head and cervical spine radiography by EPs and their beliefs about the appropriateness of expert recommendations supporting the routine use of ..
  12. pmc Visualization of embolism formation in the xylem of liana stems using neutron radiography
    Christian Tötzke
    Helmholtz Zentrum Berlin fur Materialien und Energie, Berlin, Germany
    Ann Bot 111:723-30. 2013
    Cold neutron radiography was applied to directly observe embolism in conduits of liana stems with the aim to evaluate the suitability of this method for studying embolism formation and repair...
  13. ncbi Patient dose optimization in plain radiography based on standard exposure factors
    J George
    Medical Physics Directorate, University Hospital of North Staffordshire NHS Trust, Princes Road, Hartshill, Stoke on Trent ST4 7LN, UK
    Br J Radiol 77:858-63. 2004
    A computational technique for assessing patient dose in plain radiography is described allowing a large number of examinations to be assessed and enabling dose optimization to be promoted...
  14. ncbi Methods: a comparative analysis of radiography, microcomputed tomography, and histology for bone tissue engineering
    Elizabeth L Hedberg
    Department of Bioengineering, Rice University, Houston, Texas, USA
    Tissue Eng 11:1356-67. 2005
    This study focused on the assessment of radiography, microcomputed tomography, and histology for the evaluation of bone formation in a 15.0-mm defect in the rabbit radius after the implantation of a tissue-engineered construct...
  15. ncbi Views on radiography use for patients with acute low back pain among chiropractors in an Ontario community
    Carlo Ammendolia
    Canadian Memorial Chiropractic College, Toronto, Ontario, Canada
    J Manipulative Physiol Ther 25:511-20. 2002
    Recent studies suggest that chiropractors continue to widely use radiography for assessing patients with acute low back pain...
  16. ncbi X-ray velocimetry and haemodynamic forces within a stenosed femoral model at physiological flow rates
    R Aidan Jamison
    Division of Biological Engineering, Monash University, Victoria, 3800, Australia
    Ann Biomed Eng 39:1643-53. 2011
    ..This study clearly illustrates the capability of in vitro X-ray velocimetry, suggesting it as a possible measurement technique for future in vivo vascular wall shear stress measurement...
  17. ncbi Positive experience of a mobile radiography service in nursing homes
    Karin Eklund
    Centre for Medical Imaging and Physiology, Skane University Hospital, Lund, Sweden
    Gerontology 58:107-11. 2012
    ..For elderly people living in nursing homes, a transport to hospital for a radiological examination can lead to increased anxiety, disorientation and other problems related to the new environment...
  18. ncbi Reference values for diagnostic radiology: application and impact
    Joel E Gray
    Landauer, 2 Science Road, Glenwood, IL 60425, USA
    Radiology 235:354-8. 2005
    ..of Physicists in Medicine for four radiographic projections, computed tomography, fluoroscopy, and dental radiography. RVs are used to compare radiation doses from individual pieces of radiographic equipment with doses from ..
  19. ncbi Theoretical comparison of three X-ray phase-contrast imaging techniques: propagation-based imaging, analyzer-based imaging and grating interferometry
    P C Diemoz
    Faculty of Physics, Ludwig Maximilians University Munchen, 85748 Garching, Germany
    Opt Express 20:2789-805. 2012
    ..are derived and discussed. The results obtained from this analysis can be used as the reference for determining the most suitable technique for a given application...
  20. ncbi Radiology in the intensive care unit (Part I)
    Beatrice Trotman-Dickenson
    Harvard Medical School and Brigham and Women s Hospital, Boston, Massachusetts 02115, USA
    J Intensive Care Med 18:198-210. 2003
    ..Pleural complications in the intensive care unit and image-guided intervention will also be discussed...
  21. pmc Imaging modalities in hand osteoarthritis--and perspectives of conventional radiography, magnetic resonance imaging, and ultrasonography
    Ida K Haugen
    Department of Rheumatology, Diakonhjemmet Hospital, P, O, Box 23, Vinderen, 0319 Oslo, Norway
    Arthritis Res Ther 13:248. 2011
    ..Currently, owing to high feasibility and low costs, conventional radiography (CR) is the method of choice for evaluation of hand OA...
  22. ncbi Do emergency medicine physicians perform ultrasound and conventional radiography in the emergency department? Recent trends from 1993 to 2001
    Andrea J Maitino
    Department of Radiology, Thomas Jefferson University Hospital and Jefferson Medical College, Philadelphia, Pennsylvania 19107, USA
    J Am Coll Radiol 2:274-8. 2005
    To examine trends in emergency medicine physicians' participation in diagnostic ultrasound and conventional radiography from 1993 to 2001.
  23. ncbi Optimisation of image plate radiography with respect to tube voltage
    Anders Tingberg
    Department of Radiation Physics, Malmo University Hospital, SE 205 02 Malmo, Sweden
    Radiat Prot Dosimetry 114:286-93. 2005
    To find the tube voltage that results in the highest image quality per effective dose unit for chest and pelvis radiography, respectively, using image plates.
  24. ncbi Varied tube potential with constant effective dose at lumbar spine radiography using a flat-panel digital detector
    Håkan Geijer
    Department of Radiology, Orebro University Hospital, SE 701 85 Orebro, Sweden
    Radiat Prot Dosimetry 114:240-5. 2005
    ..was to evaluate the image quality at different tube potential (kV) settings using anteroposterior lumbar spine radiography as a model. An Alderson phantom was used with a flat-panel detector...
  25. 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
    ..Throughout the world, film/screen radiography systems are being rapidly replaced with digital systems...
  26. ncbi Comparative assessment of digital and analog radiography: diagnostic accuracy, cost analysis and quality of care
    C Colin
    Département d information médicale des Hospices Civils de Lyon, Hotel Dieu, France
    Eur J Radiol 26:226-34. 1998
    The aim of this study was to compare digital and conventional radiography for diagnostic accuracy, direct costs, and quality of care.
  27. ncbi Detection of bone erosion in early rheumatoid arthritis: ultrasonography and conventional radiography versus non-contrast magnetic resonance imaging
    Maryam Rahmani
    Advanced Diagnostic and Interventional Radiology Research Center, Tehran University of Medical Sciences, Tehran, Iran
    Clin Rheumatol 29:883-91. 2010
    ..aim of following study is to compare the sensitivity and specificity of ultrasonography (US) and conventional radiography (CR) compared to MRI for early detection of bone erosion in RA patients...
  28. ncbi Detection of pneumothorax and pleural effusion with horizontal beam radiography
    Katherine C Lynch
    Department of Veterinary Clinical Medicine, University of Illinois at Urbana Champaign, Urbana, IL 61802, USA
    Vet Radiol Ultrasound 53:38-43. 2012
    ..No significant difference in diagnosis (P = 0.9149) and grade (P = 0.7757) of pleural effusion were seen between views, although the left lateral HB had both the highest rate of detection and grade of severity...
  29. ncbi Comparison of FDG-PET scans to conventional radiography and bone scans in management of Langerhans cell histiocytosis
    Michelle Phillips
    Baylor College of Medicine, Houston, Texas, USA
    Pediatr Blood Cancer 52:97-101. 2009
    ..Changes in standardized uptake value (SUV) indicated increased or decreased disease activity before changes are evident by plain films or bone scans...
  30. ncbi Implementing evidence-based guidelines for radiography in acute low back pain: a pilot study in a chiropractic community
    Carlo Ammendolia
    Canadian Memorial Chiropractic College, and Institute for Work and Health, 481 University Avenue, Suite 800, Toronto, Ontario M5G 2E9, Canada
    J Manipulative Physiol Ther 27:170-9. 2004
    To evaluate the ability of a systematic educational intervention strategy to change the plain radiography ordering behavior of chiropractors toward evidence-based practice for patients with acute low back pain (LBP).
  31. ncbi Medical radiation exposure in the U.S. in 2006: preliminary results
    Fred A Mettler
    Radiology and Nuclear Medicine Service, New Mexico VA Health Care System, Albuquerque, NM 87108, USA
    Health Phys 95:502-7. 2008
    ..Nuclear medicine accounted for about 4% of all procedures but 26% of the total collective dose. Medical radiation exposure is now approximately equal to natural background radiation...
  32. pmc Children's exposure to diagnostic medical radiation and cancer risk: epidemiologic and dosimetric considerations
    Martha S Linet
    Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, MD 20892 7238, USA
    Pediatr Radiol 39:S4-26. 2009
    ..doses from common diagnostic procedures, and epidemiologic studies to quantify pediatric and lifetime cancer risks from prenatal and early childhood exposures to diagnostic radiography, CT, and fluoroscopically guided procedures.
  33. ncbi Breast cancer mortality after diagnostic radiography: findings from the U.S. Scoliosis Cohort Study
    M M Doody
    Radiation Epidemiology Branch, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
    Spine (Phila Pa 1976) 25:2052-63. 2000
    ..Patients were less than 20 years of age at diagnosis which occurred between 1912 and 1965...
  34. pmc Risk of childhood leukemia associated with diagnostic irradiation and polymorphisms in DNA repair genes
    C Infante-Rivard
    Joint Department of Epidemiology, Faculty of Medicine, McGill University, Montreal, Quebec, Canada
    Environ Health Perspect 108:495-8. 2000
    ..Based on the present results, both aspects deserve further study...
  35. pmc Diagnostic X-ray and ultrasound exposure and risk of childhood cancer
    X O Shu
    Department of Epidemiology, Shanghai Cancer Institute, Peoples Republic of China
    Br J Cancer 70:531-6. 1994
    ..This study adds further to the growing literature indicating that antenatal ultrasound exposure is probably not associated with an increased risk of childhood cancer...
  36. ncbi The assessment of acetabular index: is there still a place for plain radiography?
    Marinis Pirpiris
    Shriners Hospitals for Children, Los Angeles, CA 90020, USA
    J Pediatr Orthop 26:310-5. 2006
    ..There was a significant correlation between the measurement of acetabular index using plain radiography and MRI, with a Spearman correlation coefficient of 0.88 (95% confidence interval, 0.61-0.96; P<0...
  37. ncbi Normal development of the hip: a geometrical analysis based on planimetric radiography
    Christof Birkenmaier
    Department of Orthopedic Surgery, Grosshadern Medical Center, University of Munich, Munich, Germany
    J Pediatr Orthop B 19:1-8. 2010
    ..Six hundred and seventy-five hips with an age from 9 months to 16 years were studied by means of planimetric radiography; angles and lever arms were determined...
  38. ncbi Comparison of computed radiography and film/screen combination using a contrast-detail phantom
    Z F Lu
    Department of Radiology, Columbia University, MHB 3 265, 177 Ft Washington Avenue, New York, New York 10032, USA
    J Appl Clin Med Phys 4:91-8. 2003
    The purpose of this work is to compare computed radiography (Kodak CR 400) and film/screen combination (Speed 400) systems in regards of patient dose, technique settings, and contrast-detail detectability...
  39. pmc Primary care physicians' use of lumbar spine imaging tests: effects of guidelines and practice pattern feedback
    D K Freeborn
    Kaiser Permanente, Center for Health Research, Northwest Division, Portland, Ore. 97227, USA
    J Gen Intern Med 12:619-25. 1997
    ..CONCLUSIONS: Clinical practice guidelines and practice pattern feedback fail to achieve their goals when features of the practice setting and patient expectations and behavior are not identified and addressed...
  40. ncbi Are pre- or postnatal diagnostic X-rays a risk factor for childhood cancer? A systematic review
    Renate Schulze-Rath
    Institute for Medical Biostatistics, Epidemiology and Informatics, Johannes Gutenberg University Mainz, 55109, Mainz, Germany
    Radiat Environ Biophys 47:301-12. 2008
    ..Computed tomography is not covered in the studies and needs to be investigated in the future...
  41. pmc Lumbopelvic alignment on standing lateral radiograph of adult volunteers and the classification in the sagittal alignment of lumbar spine
    Pongsthorn Chanplakorn
    Department of Orthopedics, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, 240 Rama VI road, Payathai, Ratchathewi, Bangkok, 10400, Thailand
    Eur Spine J 20:706-12. 2011
    ..In conclusion, this present study supports that lumbar spine and pelvis work together in order to maintain lumbopelvic balance...
  42. ncbi Effects of mailed dissemination of the Royal College of Radiologists' guidelines on general practitioner referrals for radiography: a time series analysis
    L Matowe
    Department of Medicine and Therapeutics, University of Aberdeen, Aberdeen, UK
    Clin Radiol 57:575-8. 2002
    To evaluate the effect of postal dissemination of the third edition of the Royal College of Radiologists' (RCR) guidelines on general practitioner referrals for radiography.
  43. ncbi Assessment and optimisation of the image quality of chest-radiography systems
    U Redlich
    Department of Diagnostic Radiology, Hospital of Otto von Guericke University, Magdeburg, Germany
    Radiat Prot Dosimetry 114:264-8. 2005
    ..It has been validated by investigating five chest-radiography systems, two of these systems after optimising image processing...
  44. ncbi Evaluation of community based education and service courses for undergraduate radiography students at Makeree University, Uganda
    Aloysius G Mubuuke
    Makerere University, Kampala, Uganda
    Rural Remote Health 8:976. 2008
    ..It has been training health professionals since 1924. In 2001, a bachelors degree in radiography commenced...
  45. ncbi Estimation of radiographic doses in a case-control study of acute myelogenous leukemia
    Susan Preston-Martin
    Keck School of Medicine, University of Southern California USC, Department of Preventive Medicine, USC Norris Comprehensive Cancer Center, 1441 Eastlake Avenue, MS 44, P O Box 33800, Los Angeles, CA 90033 0800, USA
    Health Phys 84:245-59. 2003
    Radiation exposure from dental and medical radiography is inherently difficult to estimate...
  46. ncbi Childhood leukaemia following medical diagnostic exposure to ionizing radiation in utero or after birth
    Richard Wakeford
    The Dalton Nuclear Institute, The University of Manchester, Pariser Building G Floor, PO Box 88, Sackville Street, Manchester M60 1QD, UK
    Radiat Prot Dosimetry 132:166-74. 2008
    ..approximately 50% proportional increase in the risk of childhood leukaemia associated with antenatal diagnostic radiography. The association has been confirmed by many case-control studies carried out around the world, the ..
  47. ncbi 3D-radiographic analysis does not improve the Neer and AO classifications of proximal humeral fractures
    G O Sjödén
    Department of Orthopedics, Karolinska Institute, Huddinge University Hospital, Sweden
    Acta Orthop Scand 70:325-8. 1999
    ..fracture classifications for fractures of the proximal humerus have shown poor reproducibility based on plain radiography. We wanted to investigate whether the addition of 3-dimensional (3D) reconstructions would increase the ..
  48. pmc Diagnostic radiography as a risk factor for chronic myeloid and monocytic leukaemia (CML)
    S Preston Martin
    Department of Preventive Medicine, University of Southern California School of Medicine, Los Angeles 90033
    Br J Cancer 59:639-44. 1989
    ..examinations of the back, gastrointestinal (GI) tract and kidneys, and cases more often had GI and back radiography on multiple occasions (odds ratio (OR) for back X-rays on five or more occasions = 12.0; P less than 0.01)...
  49. ncbi Multi-institutional analysis of computed and direct radiography: part II. Economic analysis
    Bruce I Reiner
    Department of Radiology, Veterans Affairs Maryland Healthcare System, Baltimore, MD, USA
    Radiology 236:420-6. 2005
    To compare economic aspects of equipment configurations, productivity levels, and patient waiting times in the performance of computed radiography (CR) and direct radiography (DR).
  50. 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
    A range of techniques has been developed in conventional radiography for the chest, because of technical difficulties in imaging the wide variation of tissue densities...
  51. ncbi Patient specific optimization of the relation between CT-hounsfield units and proton stopping power with proton radiography
    Uwe Schneider
    Department of Radiation Oncology and Nuclear Medicine, City Hospital Triemli, 8063 Zurich, Switzerland
    Med Phys 32:195-9. 2005
    The purpose of this work is to show the feasibility of using in vivo proton radiography of a radiotherapy patient for the patient individual optimization of the calibration from CT-Hounsfield units to relative proton stopping power...
  52. ncbi Diagnostic radiography in pregnancy: risks and reality
    Sandra A Lowe
    Department of Medicine, Royal Hospital for Women, New South Wales, Randwick, Sydney, Australia
    Aust N Z J Obstet Gynaecol 44:191-6. 2004
    ..The use of X-rays, computed tomography scanning and nuclear medicine imaging in the pregnant woman is a source of great anxiety for the patient, her family and the treating doctor...
  53. ncbi [Marburg shoulder radiography splint (MSR splint) for standardized and high quality plain film radiography in fractures of the proximal humerus]
    M Schnabel
    Klinik für Unfall, Wiederherstellungs und Handchirurgie, Klinikum, Philipps Universitat, Marburg
    Unfallchirurg 107:1099-102. 2004
    To ensure safe, quick, pain-relieving, standardized, and reproducible high quality plain film radiography in fractures of the proximal humerus, the MSR splint was introduced into clinical practice...
  54. pmc Improved accuracy in Risser sign grading with lateral spinal radiography
    Tomasz Kotwicki
    Department of Pediatric Orthopedics and Traumatology, Klinika Ortopedii Dzieciecej, University of Medical Sciences, ul 28 Czerwca 1956 roku nr 135, 61 545, Poznan, Poland
    Eur Spine J 17:1676-85. 2008
    ..2) Iliac apophysis full excursion or fusion can be more accurately estimated when the lateral spinal radiograph is analyzed with Lateral Risser Modifiers...
  55. ncbi Population exposure to ionizing radiation from medical examinations in France
    P Scanff
    Institut de Radioprotection et de Surete Nucleaire, Unité d Expertise en Radioprotection Médicale, BP 17, 92 262 Fontenay aux Roses, France
    Br J Radiol 81:204-13. 2008
    ..Examinations in nuclear medicine and interventional radiology account for 2% of procedures but 7% and 17% of the collective dose respectively. Finally, the per caput effective dose in 2002 was between 0.66 and 0.83 mSv...
  56. ncbi The Canadian C-spine rule for radiography in alert and stable trauma patients
    I G Stiell
    Clinical Epidemiology Unit, F6, Ottawa Health Research Institute, 1053 Carling Ave, Ottawa, Ontario, Canada K1Y 4E9
    JAMA 286:1841-8. 2001
    High levels of variation and inefficiency exist in current clinical practice regarding use of cervical spine (C-spine) radiography in alert and stable trauma patients.
  57. ncbi Teaching veterinary radiography by e-learning versus structured tutorial: a randomized, single-blinded controlled trial
    Jean Michel E F Vandeweerd
    Department of Veterinary Clinical Science and Animal Husbandry, The University of Liverpool, South Wirral, UK
    J Vet Med Educ 34:160-7. 2007
    ..The results of the survey suggest positive student attitudes toward the e-learning tool and illustrate the difference between objective ratings and subjective assessments by students in testing a new educational intervention...
  58. ncbi Issues regarding radiation dosage of cardiac nuclear and radiography procedures
    Randall C Thompson
    J Nucl Cardiol 13:19-23. 2006
  59. ncbi An experimental comparison of detector performance for computed radiography systems
    Ehsan Samei
    Departments of Radiology and Biomedical Engineering, Duke University, DUMC, Durham, North Carolina 27710, USA
    Med Phys 29:447-59. 2002
    ..The intrinsic resolution, noise, and signal-to-noise transfer characteristics of five commercial digital computed radiography (CR) systems were compared using identical experimental methods...
  60. ncbi Digital radiography
    J S Mattoon
    Department of Veterinary Clinical Sciences, The Ohio State University, Columbus, Ohio, USA
    Vet Comp Orthop Traumatol 19:123-32. 2006
    Digital radiography has been used in human medical imaging since the 1980s with recent and rapid acceptance into the veterinary profession...
  61. ncbi Proximal and distal oblique radiography of the wrist: value in occult injuries
    R H Daffner
    Department of Diagnostic Radiology, Allegheny General Hospital, Pittsburgh, Pa 15212 9986
    J Hand Surg Am 17:499-503. 1992
    ..Reversing the angle of the tube to 30 degrees from the vertical toward the fingertips further elongates the capitate. This is useful for delineating occult fractures of the capitate...
  62. pmc Childhood cancer after prenatal exposure to diagnostic X-ray examinations in Britain
    R H Mole
    Heath Barrows, Boar s Hill, Oxford, UK
    Br J Cancer 62:152-68. 1990
    ..Dose reduction was achieved during 1957 and early 1958 by reducing the rising rate of obstetric radiography and by virtually abandoning pelvimetry as that had been understood...
  63. ncbi Traction radiography performed under general anesthetic: a new technique for assessing idiopathic scoliosis curves
    Ben J Davis
    Hartshill Orthopaedic Unit, City General Hospital, Stoke on Trent, United Kingdom
    Spine (Phila Pa 1976) 29:2466-70. 2004
    ..OBJECTIVES.: To compare curve flexibility measured using supine bending radiography and traction radiography; to examine the correlation of each technique with postoperative correction; and to ..
  64. ncbi Raster stereography versus radiography in the long-term follow-up of idiopathic scoliosis
    Tobias L Schulte
    Department of Orthopedics, Munster University Hospital, Albert Schweitzer Strasse 33, D 48149 Munster, Germany
    J Spinal Disord Tech 21:23-8. 2008
    ..Raster-stereographic and radiographic evaluation of idiopathic scoliosis without braces in a retrospective longitudinal long-term follow-up study...
  65. ncbi Computed radiography: a higher dose?
    Charles E Willis
    Department of Radiology, Baylor College of Medicine and Edward B Singleton Diagnostic Imaging Service, Texas Children s Hospital, Houston, TX 77030, USA
    Pediatr Radiol 32:745-50; discussion 751-4. 2002
  66. ncbi Comparison of the efficacy of sonography, magnetic resonance imaging and conventional radiography for the detection of bone erosions in rheumatoid arthritis patients: a systematic review and meta-analysis
    Athan Baillet
    Rheumatology Department, CHU Hopital Sud, Grenoble Teaching Hospital, avenue de Kimberley, BP 338, 38434 Echirolles Cedex, France
    Rheumatology (Oxford) 50:1137-47. 2011
    To evaluate the reproducibility of US and to compare its efficacy with that of MRI and conventional radiography (CR) for the detection of bone erosion in RA patients.
  67. ncbi Phase contrast radiography of Lewy bodies in Parkinson disease
    S B Koh
    Department of Neurology, Korea University College of Medicine, Korea
    Neuroimage 32:566-9. 2006
    ..Here, we investigate a possibility of phase contrast radiography using coherent synchrotron X-rays to explore the microscopic details of Lewy bodies in thick (approximately 3 ..
  68. ncbi A novel multi-planar radiography method for three dimensional pose reconstruction of the patellofemoral and tibiofemoral joints after arthroplasty
    Shahram Amiri
    University of British Columbia, Vancouver, British Columbia, Canada
    J Biomech 44:1757-64. 2011
    ..4mm) improvement in the out-of-plane accuracies compared to a conventional single-plane fluoroscopy setup...
  69. ncbi Multi-institutional analysis of computed and direct radiography: part I. Technologist productivity
    Bruce I Reiner
    Department of Radiology, Veterans Affairs Maryland Healthcare System, Baltimore, MD, USA
    Radiology 236:413-9. 2005
    ..and compare work-flow times across institutional variations, and to apply such a comparison to technologist productivity in the performance of general radiographic examinations with computed radiography (CR) and direct radiography (DR).
  70. ncbi Patients' views on importance and usefulness of plain radiography for low back pain
    A Espeland
    Department of Radiology, The Deaconess Hospital, Bergen, Norway
    Spine (Phila Pa 1976) 26:1356-63. 2001
    ..Quantitative and qualitative cross-sectional interview study...
  71. ncbi Chiropractor's use of radiography in Switzerland
    Abbas Aroua
    Institut Universitaire de Radiophysique, Appliquée, Grand pré 1, 1007 Lausanne, Switzerland
    J Manipulative Physiol Ther 26:9-16. 2003
    ..In this article, we investigate the use of diagnostic radiology by chiropractors in Switzerland, with the aim of determining their contribution to the annual radiation collective dose...
  72. ncbi Calibrating automatic exposure control devices for digital radiography
    P Doyle
    Health Physics, Department of Clinical Physics and Bio engineering, Gartnavel Royal Hospital, Glasgow G12 OXH, UK
    Phys Med Biol 51:5475-85. 2006
    The energy responses of digital radiography detectors differ from those of screen-film systems...
  73. ncbi Routine postoperative chest radiography is not needed after flank incisions with eleventh rib resection
    Ali Fuat Atmaca
    Urology Clinic, Ankara Ataturk Training and Research Hospital, Ankara, Turkey
    Can J Urol 15:3986-9; discussion 3989. 2008
    We wanted to determine whether routine postoperative chest radiography is needed after surgery with eleventh rib resection.
  74. ncbi Canadian C-spine Rule and the National Emergency X-Radiography Utilization Low-Risk Criteria for C-spine radiography in young trauma patients
    Peter F Ehrlich
    Department of Surgery, Section of Pediatric Surgery, The University of Michigan Medical School and The CS Mott Children s Hospital, Ann Arbor, MI 48109, USA
    J Pediatr Surg 44:987-91. 2009
    The Canadian C-spine (cervical spine) Rule (CCR) and the National Emergency X-Radiography Utilization Low-Risk Criteria (NLC) are criteria designed to guide C-spine radiography in trauma patients...
  75. ncbi Magnetic resonance imaging of the fifth metatarsophalangeal joint compared with conventional radiography in patients with early rheumatoid arthritis
    K Forslind
    Rheumatology Section, Department of Medicine, Helsingborg s lasarett, Helsingborg, Sweden
    Scand J Rheumatol 32:131-7. 2003
    To evaluate if magnetic resonance imaging (MRI) is superior to conventional radiography for detection of erosions in the fifth metatarsophalangeal (MTP5) joint.
  76. ncbi Continuous versus categorical data for ROC analysis: some quantitative considerations
    R F Wagner
    Office of Science and Technology, Center for Devices and Radiological Health, Food and Drug Administration, Rockville, MD 20857, USA
    Acad Radiol 8:328-34. 2001
    ..CONCLUSION: More precise measurements of diagnostic detection performance and thus more efficient use of resources are served by good measurement methods. These are promoted by the use of a quasi-continuous rating scale in ROC studies...
  77. ncbi Performance evaluation of computed radiography systems
    E Samei
    Department of Radiology, Duke University Medical Center, Durham, North Carolina 27710, USA
    Med Phys 28:361-71. 2001
    Recommended methods to test the performance of computed radiography (CR) digital radiographic systems have been recently developed by the AAPM Task Group No. 10...
  78. ncbi MCNP5 for proton radiography
    H Grady Hughes
    Los Alamos National Laboratory, Los Alamos, NM 87545, USA
    Radiat Prot Dosimetry 116:109-12. 2005
    ..Work is underway to validate and implement the latest versions of the Cascade-Exciton Model and the Los Alamos Quark-Gluon String Model, which will process inelastic nuclear interactions and generate secondary particles...
  79. ncbi Clinical implementation of x-ray phase-contrast imaging: theoretical foundations and design considerations
    Xizeng Wu
    Department of Radiology, University of Alabama at Birmingham, Birmingham, Alabama 35233, USA
    Med Phys 30:2169-79. 2003
    ..The results of phantom experiments were also presented which validated the theoretical analysis and computer simulations...
  80. ncbi Objective assessment of image quality in conventional and digital mammography taking into account dynamic range
    Marc Pachoud
    University Institute for Applied Radiophysics, Grand pré 1, CH 1007 Lausanne, Switzerland
    Radiat Prot Dosimetry 114:380-2. 2005
    ..In particular it could be used to optimise the process of radiographic reading of soft copy images...
  81. ncbi Priorities in optimisation of medical X-ray imaging--a contribution to the debate
    Lars Gunnar Månsson
    Department of Medical Physics and Biomedical Engineering, Sahlgrenska University Hospital, SE 413 45 Goteborg, Sweden
    Radiat Prot Dosimetry 114:298-302. 2005
    ....
  82. ncbi The influence of patient thickness and imaging system on patient dose and physical image quality in digital chest imaging
    Gustaf Ullman
    Department of Radiation Physics, Linkoping University, SE 581 85 Linkoping, Sweden
    Radiat Prot Dosimetry 114:294-7. 2005
    ..Both, a computed radiography (CR) system and a direct radiography (DR) system, were investigated...
  83. ncbi [Effective dose transmission of diagnostic X-rays through concrete and lead shields]
    Hideki Kato
    S S Techno Engineering Corporation
    Nihon Hoshasen Gijutsu Gakkai Zasshi 59:965-75. 2003
    ..This method, which can calculate the transmission data of X-ray beams with any spectral distribution, is useful in evaluating the leakage dose of diagnostic X-ray facilities...
  84. ncbi Optimisation of scoliosis examinations in children
    Jolanta Hansen
    Department of Medical Physics, Aarhus University Hospital, Aarhus Kommunehospital, Aarhus, Denmark
    Pediatr Radiol 33:752-65. 2003
    To present results of optimising scoliosis examination by changing from a conventional film/grid (F/G) to air-gap technique using computed radiography (CR), and to evaluate different methods for estimating effective radiation doses.
  85. ncbi Method of simulating dose reduction for digital radiographic systems
    Magnus Båth
    Department of Medical Physics and Biomedical Engineering, Sahlgrenska University Hospital, SE 413 45 Goteborg, Sweden
    Radiat Prot Dosimetry 114:253-9. 2005
    ..The method was tested on a computed radiography system and was shown to produce images with noise behaviour similar to that of images actually collected at the ..
  86. 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...
  87. 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...
  88. ncbi Quantification of the effect of system and object parameters on edge enhancement in phase-contrast radiography
    Edwin F Donnelly
    Department of Radiology and Radiological Sciences, Vanderbilt University Medical Center, Nashville, Tennessee 37232 2675, USA
    Med Phys 30:2888-96. 2003
    ..composition, thickness, and overlying attenuating material) upon the edge enhancement effect in phase-contrast radiography. Each variable of interest was adjusted and images of a 3 mm lucite phantom were obtained with the other ..
  89. ncbi Implementation of DRLs in the UK
    B F Wall
    NRPB, Chilton, Didcot, Oxon OX11 ORQ, UK
    Radiat Prot Dosimetry 114:183-7. 2005
    ..Progress in formally adopting numerical values for 'national DRLs', as required by the UK regulations, and the provision of authoritative guidance on the implementation of DRLs at the local level, are also discussed...
  90. ncbi Diagnostic X ray dose profiles in molar teeth using Monte Carlo simulation
    R Hayes
    Department of Arts and Sciences, College of the Southwest Carlsbad, 500 West Church Street, Carlsbad, NM 88220, USA
    Radiat Prot Dosimetry 104:153-8. 2003
    ..The lingual and buccal halves of teeth were evaluated as were the crown dentin and roots in tooth position 7. Linear dose profiles through the enamel were also calculated...
  91. ncbi [Experimental and theoretical studies on radiation protective effect of a lighter non-lead protective apron]
    Yoshihisa Takano
    Department of Radiology, Oita Prefectural Hospital
    Nihon Hoshasen Gijutsu Gakkai Zasshi 61:1027-32. 2005
    ..aprons was higher than that of lead aprons at X-ray of tube voltages of 70-100 kV, which are often used for radiography and fluorography...
  92. 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...
  93. 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...
  94. ncbi Monitoring of the medical radiological exposures of the population of the Emilia-Romagna Region
    G Compagnone
    Servizio di Fisica Sanitaria, Policlinico S Orsola Malpighi, Azienda Ospedaliero Universitaria di Bologna, Via Massarenti 9, I 40138, Bologna, Italy
    Radiol Med 111:469-80. 2006
    ..This paper illustrates the results of this second survey and analyses the most significant parameters in comparison with similar studies reported in the literature...
  95. 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
    Quality controls for testing the performance of computed radiography (CR) systems have been recommended by manufacturers and medical physicists' organizations...
  96. ncbi [Absorption and scatter with an acrylic plate attached to the front of an X-ray beam limiting device]
    Masayuki Tachibana
    Department of Radiological Technology, Kyushu University Hospital, Japan
    Nihon Hoshasen Gijutsu Gakkai Zasshi 58:931-9. 2002
    ..3% of the extreme height, and the scatter dose increased to 47.8% of the extreme height. An acrylic plate with the minimum thickness necessary should be used to decrease unnecessary exposure outside the irradiation field...
  97. ncbi Does digital imaging decrease patient dose? A pilot study and review of the literature
    V Neofotistou
    Medical Physics Department, Athens General Hospital, 11527 Athens, Greece
    Radiat Prot Dosimetry 117:204-10. 2005
    ..doses were measured for three simple radiographic examinations, in European centres equipped with a computed radiography digital system...
  98. ncbi Dose optimisation in computed radiography
    A Schreiner-Karoussou
    Division de la Radioprotection, Direction de la Santé, Villa Louvigny, L 2120, Luxembourg
    Radiat Prot Dosimetry 117:139-42. 2005
    After the installation of computed radiography (CR) systems in three hospitals in Luxembourg a patient dose survey was carried out for three radiographic examinations, thorax, pelvis and lumbar spine...
  99. ncbi Proton radiography applications with MCNP5
    J D Zumbro
    Los Alamos National Laboratory, Los Alamos, NM 87545, USA
    Radiat Prot Dosimetry 117:447-52. 2005
    ..Comparisons with experimental data are presented...
  100. 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
    Phototimer set-up is a critical procedure for dose and image quality optimisation in computed radiography (CR) systems...
  101. ncbi Characterization of the phase-contrast radiography edge-enhancement effect in a cabinet x-ray system
    Edwin F Donnelly
    Department of Radiology and Radiological Sciences, Vanderbilt University Medical Center, Nashville, TN 37232, USA
    Phys Med Biol 51:21-30. 2006
    ..this study was to demonstrate that a commercially available cabinet x-ray system is capable of phase-contrast radiography (PC-R) and to evaluate the effect of different system parameters on the degree of edge enhancement...

Research Grants66

  1. XeBox-E10 Gas Polarizer for Functional MRI of Pediatric Lung Disease
    SEAN BEDILION FAIN; Fiscal Year: 2013
    ..inadequate for the assessment of mild lung disease, especially in cystic fibrosis (CF) where X-ray CT and chest radiography have played an increasing role despite their use of ionizing radiation...
  2. Phase-contrast X-ray imaging system for large joints
    Dan Stutman; Fiscal Year: 2012
    ..Osteoarthritis (OA), by helping detect their destructive effects well before they are evident in conventional radiography. These diseases affect a significant fraction of the world population and attack most of the joints in the body,..
  3. Dual-Energy Cone-Beam Tomographic Imaging and Analysis for Rheumatoid Arthritis
    Jeffrey H Siewerdsen; Fiscal Year: 2013
    ..Despite the strides in diagnostic imaging capabilities, conventional approaches in MRI, ultrasound, radiography, and CT face a variety of limitations that do not permit widespread application to RA assessment - e.g...
  4. NON-INVASIVE HIGH-RESOLUTION DIAGNOSIS OF PERIODONTAL ATTACHMENT LEVELS USING REA
    SAM M MUKDADI; Fiscal Year: 2010
    ..Comparison with current diagnosis modalities, such as X-ray radiography, will be performed to elucidate the advantages of the proposed system...
  5. Functional Studies of Kallikrein 4
    James P Simmer; Fiscal Year: 2013
    ..The enamel layer of the Klk4 null mouse is characterized by SEM, TEM, radiography, microCT, Knoop microhardness testing, and by determining protein and mineral contents in regularly-spaced ..
  6. TGFbeta IN THE BONE MICROENVIRONMENT: ROLE IN TUMOR METASTASIS
    Theresa A Guise; Fiscal Year: 2012
    ..Tumor and bone endpoints will be evaluated by X-radiography, bioluminescent imaging, histology, and quantitative bone histomorphometry...
  7. Training and research application for c-spine ultrasound of an aging population.
    DANIEL BUCKLAND; Fiscal Year: 2013
    ..disc displacements measured using ultrasound will be compared to the same data measured using plane radiography. In-vivo cervical spine kinematics and intervertebral disc displacements measured using stereographic ..
  8. Fabrication of Denture Frameworks Using Titanium Alloys
    Marie Koike; Fiscal Year: 2010
    ..The cast frameworks will be evaluated for completeness of casting using a visual defect ranking. X-ray radiography will be used to detect casting defects and porosity...
  9. Enzymes of the Vinca Alkaloids
    Aimee Usera; Fiscal Year: 2010
    ..Following isolation by 2-D electrophoresis, I will detect the labeled enzymes by radiography, in the case of radiolabeled tags, and western blot analysis when dealing with biotin tagged molecules...
  10. Osteoporosis and Bone Augmentation/Implant Outcomes: An Observational Study
    Martin A Freilich; Fiscal Year: 2010
    ..Our multidisciplinary group possesses expertise in epidemiology, behavioral science, radiography, implant surgery, prosthodontics, endocrinology/bone biology and clinical treatment of osteoporosis...
  11. Automatic Quantitative Analysis of MR Images of the Knee in Osteoarthritis
    Marc Niethammer; Fiscal Year: 2012
    ..Cartilage loss is believed to be the dominating factor in OA. While the standard radiography-based analysis method relies on joint-space width as a surrogate measure for cartilage thickness, an increasing ..
  12. Role of Notch Signaling in Osteocytes
    Ernesto Canalis; Fiscal Year: 2013
    ..phenotype of mice misexpressing Notch will be compared to that of wild type mice and determined by contact radiography, densitometry, micro CT scanning and histomorphometry...
  13. Noninvasive Dental Implant Imaging System
    Rahul Singh; Fiscal Year: 2010
    ..procedures involve somewhat inaccurate mechanical penetration of the delicate soft tissues with sharp probes or radiography which is not optimal for soft tissue measurements...
  14. Bright and Fast Sensor for Time Resolved X-Ray Diffraction Studies
    VIVEK V NAGARKAR; Fiscal Year: 2010
    ..for time-resolved X-ray diffraction studies in particular, and for high speed X-ray imaging and digital radiography in general...
  15. Development of an Intraoral Optical Probe for the Microscopic Evaluation of Denta
    ADAM MICHAEL ZYSK; Fiscal Year: 2013
    ..by applicant): Diagnostic imaging in modern dental practice still relies mainly on visual inspection or x-ray radiography, a technology that remains largely unchanged since the late 1800s...
  16. Growth Factors;Effect on Aspects of Bone Formation
    Ernesto Canalis; Fiscal Year: 2012
    ..of transgenic mice will be compared to that of wild type mice and determined by histomorphometry, contact radiography, densitometry and micro CT scanning;2) To determine the function of Nov in vivo by targeted gene deletion...
  17. Novel Nanorods for High Efficiency Medical Imaging Applications
    Christopher J Summers; Fiscal Year: 2011
    ..NR) structures embedded in transparent polymer matrices, with applications to protein crystallography, digital radiography and mammography, as well as a host of other important imaging and lighting applications...
  18. Image Biomarker Development for TreatmentEfficacy of Prostate Cancer to the Bone
    Brian D Ross; Fiscal Year: 2012
    ..Imaging using skeletal scintigraphy, plain radiography, computed tomography, or magnetic resonance imaging remains essential, with positron emission tomography or ..
  19. Genomic Signatures for Idiopathic Interstitial Pneumonia
    DAVID ALBERT SCHWARTZ; Fiscal Year: 2011
    ..IIP has traditionally been defined by objective clinical characteristics (history, physiology, radiography, and pathology)...
  20. Mechanisms of Cortisol and Notch Action in Bone
    Ernesto Canalis; Fiscal Year: 2012
    ..mice misexpressing HES-1 will be compared to that of wild type mice and determined by histomorphometry, contact radiography, densitometry and micro CT scanning;and 3) To determine the mechanism of action of HES-1 in vitro and signals ..
  21. Detection of inflammation vs. intestinal fibrosis in Crohn's disease
    Ellen M Zimmermann; Fiscal Year: 2011
    ..Small bowel radiography can demonstrate narrowing, but can not differentiate fibrosis from inflammation...
  22. Effects of Initial Graft Tension on ACL Reconstruction
    Braden C Fleming; Fiscal Year: 2013
    ..Joint space narrowing via radiography is the only validated measure for quantifying OA progression, and will continue to serve as the primary outcome ..
  23. Single- vs. Double-Bundle ACL Reconstruction: A Prospective Randomized Trial
    Scott Tashman; Fiscal Year: 2012
    ..We will utilize a unique combination of high-speed biplane radiography (for accurate assessment of knee kinematics) and 3D imaging (MRI and CT, to define joint and cartilage ..
  24. Low-cost Large-area High-Sensitivity X-ray Panel Detector for Digital Mammography
    NEAL EUGENE HARTSOUGH; Fiscal Year: 2010
    ..provide cost-effective, high-performance detectors for many other x-ray imaging applications including general radiography, fluoroscopy, and x-ray CT...
  25. Software for improved accuracy and rapid tracking of kinematics from dynamic Xray
    W Scott Selbie; Fiscal Year: 2013
    ..C-Motion's capabilities for bone pose (position and orientation) estimation by incorporating the bi-planar radiography imaging expertise of Dr. Tashman's laboratory at the University of Pittsburgh...
  26. Novel Nanorods for High Efficiency Medical Imaging Applications
    Christopher J Summers; Fiscal Year: 2013
    ..They will have wide ranging applications in digital radiography, mammography, tomography, protein crystallography, as well as a various large-area radiation imaging and ..
  27. Design Studies and Optimization of Phase-Contrast Mammography
    Mark A Anastasio; Fiscal Year: 2013
    ..Reader studies will be conducted to assess improvement in image quality as compared to standard radiography and establish the groundwork for future clinical translation of the developed imaging technologies...
  28. A computer modeling tool for optimizing Meniscus Allograft Transplantation
    Xudong Zhang; Fiscal Year: 2012
    ..We will measure 10 patients'tibiofemoral kinematics using a dynamic biplane radiography system, muscle activations using a wireless EMG system, and whole-body kinematics- kinetics using an optical ..
  29. Noninvasive Dental Implant Imaging System
    Martin Culjat; Fiscal Year: 2013
    ..for implant procedures involve somewhat inaccurate mechanical penetration of delicate tissues with probes or radiography which is not optimal for soft tissue measurement...
  30. Photonic Bandgap Structures for Improved Timing and Spatial Resolution in PET Det
    BIPIN SINGH; Fiscal Year: 2010
    ..such as positron emission tomography (PET), single photon emission computed tomography (SPECT), digital radiography (including digital mammography) and X-ray CT are critically important for cancer diagnosis, staging, treatment ..
  31. Black Silicon Photodiodes for Enhanced Digital Radiography Detectors
    MARTIN U PRALLE; Fiscal Year: 2010
    ..Improving the imaging performance can lead to reduced x-ray dose to the patient or improved the image fidelity and resolution at equal dose levels. ..
  32. RESEARCH TRAINING IN MEDICAL PHYSICS
    Maryellen L Giger; Fiscal Year: 2013
    ..Research projects may be theoretical or experimental studies in digital radiography, diagnostic performance, computer-aided diagnosis, magnetic resonance imaging and spectroscopy, nuclear ..
  33. ADVANCED HIGH-RESOLUTION TWO-DIMENSIONAL X-RAY DETECTOR FOR MAMMOGRAPHY
    JACQUELINE ANNE JOHNSON; Fiscal Year: 2011
    ..We will develop a computed radiography (CR) system for mammography based on novel glass ceramic materials...
  34. Intraoral Ultrasound Probe for Dental Hard Tissue Imaging
    Rahul Singh; Fiscal Year: 2013
    ..Currently, dentists use patient history, visual examination, comprehensive endodontic examination and radiography to diagnose cracked teeth...
  35. COCHLEAR IMPLANT--AUDITORY FUNCTION & SPEECH PERCEPTION
    Michael Dorman; Fiscal Year: 2009
    ..relative to that of pure tones in the region of acoustic hearing and to relate electrical pitch to computerized radiography assessment of electrode position in the cochlea...
  36. Low-Dose High-Resolution Dental Radiography
    NEAL EUGENE HARTSOUGH; Fiscal Year: 2011
    ..We are developing a high-resolution, low-dose, direct-conversion digital x-ray detector for intraoral dental radiography. The detector will improve intraoral dental imaging with reduced dose, high resolution, and low detector cost...
  37. Multicenter Investigation of the Mechanical Determinants of Post-Traumatic OA
    J Lawrence Marsh; Fiscal Year: 2013
    ..occurs relatively quickly and frequently, and the arthritic changes are readily imaged using standard radiography. For instance, after tibial pilon fractures, post-traumatic osteoarthritis occurs in over fifty percent of ..
  38. Healing of Segmental Defects of Bone by Gene Transfer
    Christopher H Evans; Fiscal Year: 2013
    ..involve sophisticated mathematical analyses, they run automatically and can be incorporated into digital radiography system equipment found commonly in most radiology departments...
  39. Digital X-Ray Device for Molecular Imaging Center
    PETER STEPHEN CONTI; Fiscal Year: 2010
    ..PUBLIC HEALTH RELEVANCE: We are requesting a digital radiography system for quantitative 2D x-ray imaging of small animals and excised tissue specimens...
  40. Optimization of In-Line Phase-Contrast Mammography
    ADAM MICHAEL ZYSK; Fiscal Year: 2011
    ..following specific aims: (1) Characterize the physical x-ray properties of breast tissue using a multiple-image radiography measurement system...
  41. Transparent Nanophotonic Scintillator for X-ray Imaging
    Zhitao Kang; Fiscal Year: 2013
    ..based X-ray converting plates should be very useful in biomedical imaging, including mammography and digital radiography. They also promise to have other valuable applications for protein crystallography detectors used at ..
  42. Miniature, rapid, and 3-dimensional OCT scanner for dental imaging
    GUANGHAI JIN; Fiscal Year: 2009
    ..The mainstay of diagnostic imaging in dental practices today is dental radiography (x-ray), which was first used in dentistry in 1885...
  43. Risk of Cancer with Incidental Findings Identified on Ultrasound Imaging
    Rebecca Smith Bindman; Fiscal Year: 2010
    ..This proposal focuses on ultrasound imaging, as after radiography (x-ray), ultrasound accounts for the largest proportion of imaging tests performed, and incidental/..
  44. Scimagix Web-Based Scientific Image Management System
    Douglas Hanson; Fiscal Year: 2005
    ..digital still and video imaging through light microscopes, UV and fluorescent microscopy, digital radiography and intraoral digital photography...
  45. Neonatal Chest Phantom for Computed Radiography Testing
    Steven Don; Fiscal Year: 2006
    ..test phantom) needed for quality control is not commercially available for computed radiology and digital radiography. The application's long-term goal is to develop a new class of phantoms and objective system performance ..
  46. FDG-PET Imaging in Complicated Diabetic Foot
    Abass Alavi; Fiscal Year: 2005
    ..Current diagnostic tests including routine radiography, laboratory studies, nuclear medicine procedures, and magnetic resonance imaging (MRI) suffer from significant ..
  47. HIGH PERFORMANCE NEUTRON DETECTOR FOR PROTEIN CRYSTALLOGRAPHY
    JAROSLAW GLODO; Fiscal Year: 2007
    ..Consequently, neutrons can provide information that would otherwise escape detection by conventional radiography. In biomedical and pharmaceutical research, neutrons are used in macromolecular crystallography to investigate ..
  48. Flat-panel X-ray Imaging Detector with Avalanche Gain
    Wei Zhao; Fiscal Year: 2013
    ..1 <R), which virtually has only one x-ray photon per pixel. For high dose applications (e.g. radiography) the gain of HARP will be decreased to ensure wide dynamic range without detector saturation...
  49. NEW FIBEROPTIC SCREENS AND FILTRATION FOR X-RAY IMAGING
    Andrew Karellas; Fiscal Year: 1990
    This proposal is aimed at improving the diagnostic image quality in radiography and fluoroscopy at a reduced radiation dose...
  50. TREE-STRUCTURED STATISTICAL METHODS
    Richard Olshen; Fiscal Year: 1993
    ..of large trees to smaller ones has been incorporated into new algorithms for lossy data compression in digital radiography. The present proposal is for research on new capabilities for and further applications of tree-structured ..
  51. EPITAXIAL FILM SCINTILLATORS FOR DIGITAL RADIOGRAPHY
    ALEXANDER LEMPICKI; Fiscal Year: 1999
    ..of developing a transparent scintillator based on lutetium aluminum garnet (cerium doped) for dental X-ray radiography, as further described by their abstract: "We propose to develop a digital radiography sensor, based on an ..
  52. BIOMECHANICS OF FOOT/ANKLE INJURIES USING 3D IMAGING
    Jayaram Udupa; Fiscal Year: 2002
    ..bone movements at the ankle and subtalar joints associated with ligament injuries; (3) to develop stress radiography and stress slice MRI that are optimum to show bone displacements associated with specific ligament injuries; ..
  53. TIDAL LAVAGE VS SHAM LAVAGE IN KNEE OSTEOARTHRITIS
    John Bradley; Fiscal Year: 1999
    ..Subjects with a broad spectrum of OA severity, as judged by knee radiography, will be included. The investigators will employ 2 treatment groups of approximately 120 patients each...
  54. HUMORAL IMMUNITY AND PERIODONTAL DISEASE
    ROY PAGE; Fiscal Year: 1999
    ..manifestations of periodontitis will be recorded and alveolar bone status assessed by digital subtraction radiography. Serum, gingival fluid, and saliva antibody titers and serum antibody avidities for antigens of P...
  55. ASYMMETRIC DUAL SCREEN CR CHEST IMAGING
    Chris Shaw; Fiscal Year: 2000
    DESCRIPTION (Adapted from Applicant's Abstract): Despite new advances in medical imaging, projection radiography continues to be an important tool for detection of pulmonary diseases including lung cancer, interstitial lung diseases, as ..
  56. Radiation Hard X-Ray Detector for Image-Guided Proton Beam Cancer Therapy
    NICK SBROCKEY; Fiscal Year: 2009
    ..Typically, digital x-ray radiography is done prior to proton beam irradiation, (usually from two orthogonal views), to construct a 3-D x-ray image ..
  57. A Dual Energy X-Ray Detector for Digital Mammography
    TUMAY TUMER; Fiscal Year: 2005
    We propose to develop a dual energy x-ray detector that will allow us to move towards an ideal digital radiography system for mammography...
  58. Nanocrystalline Phosphors for Medical Imaging Applications
    CHRISTOPHER SUMMERS; Fiscal Year: 2009
    ..be developed based on nanocrystal quantum dots (QDs), with applications to protein crystallography, digital radiography and mammography applications, as well as a host of other important imaging and lighting applications...
  59. New Design of a Photon Counting Detector for Breast CT
    Vivek Nagarkar; Fiscal Year: 2009
    ..For the X-ray energies typically used in mammography and digital radiography, this detector would provide high efficiency, high resolution, and photon counting capability with appropriate ..
  60. Sensate Scaffolds for Orthopaedic Tissue Repair
    John Szivek; Fiscal Year: 2005
    ..strain patterns during ingrowth into the scaffolds will be correlated with quantitative histomorphometry and radiography to define relationships between loading and tissue structure...
  61. EQUALIZED DUAL ENERGY/DUAL PHOSPHOR CHEST RADIOGRAPHY
    John Boone; Fiscal Year: 1993
    ..of two novel technologies, with the overall objective to develop a practical single- and dual-energy digital radiography system, dedicated and optimized for chest imaging...
  62. Radioopaque resorbable polymers for vascular application
    Joachim Kohn; Fiscal Year: 2006
    ..system to assist with the proper placement of an implant, resorbable polymers that are visible by X-ray radiography/fluoroscopy represent an important platform for a wide range of unmet clinical needs, the most significant of ..
  63. Quantitative periprosthetic PET/CT
    Thomas Lang; Fiscal Year: 2009
    ..Current diagnostic techniques such as plain radiography, laboratory and nuclear medicine tests have severe shortcomings...
  64. FDG-PET Imaging in painful Hip Prosthesis
    Abass Alavi; Fiscal Year: 2005
    ..Current diagnostic tests including routine radiography, laboratory studies, and nuclear medicine procedures, suffer from significant shortcomings including accuracy ..
  65. A High Resolution Imager for Tissue Specimen Radiography
    TUMAY TUMER; Fiscal Year: 2005
    ..Currently, specimen radiography is performed in a cabinet x-ray unit where the image is acquired either on radiographic film or using a small ..
  66. Development of Novel Methods to Reduce Ghosting and Lag in a-Se X-ray Detectors
    DENNY LEE; Fiscal Year: 2009
    ..Selenium x-ray detectors are widely used in radiography, mammography, tomosynthesis, fluoroscopy, and cone-beam computed tomography...