Jasper Florie

Summary

Affiliation: Academic Medical Center
Country: The Netherlands

Publications

  1. ncbi MR colonography with limited bowel preparation compared with optical colonoscopy in patients at increased risk for colorectal cancer
    Jasper Florie
    Department of Radiology, Academic Medical Center, PO Box 22660, 1100 DD Amsterdam, The Netherlands
    Radiology 243:122-31. 2007
  2. pmc Feasibility study of computed tomography colonography using limited bowel preparation at normal and low-dose levels study
    Jasper Florie
    Department of Radiology, Academic Medical Center, G1 230, P O Box 22660, 1100 DD, Amsterdam, The Netherlands
    Eur Radiol 17:3112-22. 2007
  3. ncbi MR colonography with limited bowel preparation: patient acceptance compared with that of full-preparation colonoscopy
    Jasper Florie
    Department of Radiology, Academic Medical Center, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
    Radiology 245:150-9. 2007
  4. ncbi Magnetic resonance imaging compared with ileocolonoscopy in evaluating disease severity in Crohn's disease
    Jasper Florie
    Department of Radiology, Academic Medical Center, Amsterdam, The Netherlands
    Clin Gastroenterol Hepatol 3:1221-8. 2005
  5. ncbi Colonography by computed tomography
    Jasper Florie
    Department of Radiology, Academic Medical Centre, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
    Eur J Gastroenterol Hepatol 17:809-13. 2005
  6. ncbi Magnetic resonance colonography with limited bowel preparation: a comparison of three strategies
    Jasper Florie
    Department of Radiology, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands
    J Magn Reson Imaging 25:766-74. 2007
  7. ncbi CT colonography and colonoscopy: assessment of patient preference in a 5-week follow-up study
    Rogier E van Gelder
    Departments of Radiology, Social Medicine, and Gastroenterology, Academic Medical Center, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
    Radiology 233:328-37. 2004
  8. ncbi A comparison of primary two- and three-dimensional methods to review CT colonography
    Rogier E van Gelder
    Department of Radiology, Academic Medical Center of the University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands
    Eur Radiol 17:1181-92. 2007
  9. ncbi Computed tomographic colonography compared with colonoscopy in patients at increased risk for colorectal cancer
    Rogier E van Gelder
    Department of Radiology, Academic Medical Center of the University of Amsterdam, Amsterdam, The Netherlands
    Gastroenterology 127:41-8. 2004
  10. ncbi CT colonography: feasibility of substantial dose reduction--comparison of medium to very low doses in identical patients
    Rogier E van Gelder
    Department of Radiology, Academic Medical Center, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
    Radiology 232:611-20. 2004

Detail Information

Publications23

  1. ncbi MR colonography with limited bowel preparation compared with optical colonoscopy in patients at increased risk for colorectal cancer
    Jasper Florie
    Department of Radiology, Academic Medical Center, PO Box 22660, 1100 DD Amsterdam, The Netherlands
    Radiology 243:122-31. 2007
    ....
  2. pmc Feasibility study of computed tomography colonography using limited bowel preparation at normal and low-dose levels study
    Jasper Florie
    Department of Radiology, Academic Medical Center, G1 230, P O Box 22660, 1100 DD, Amsterdam, The Netherlands
    Eur Radiol 17:3112-22. 2007
    ..001). CT colonography without cleansing is preferred to colonoscopy and shows sufficient image quality and moderate sensitivity, without impaired diagnostic value at dose-levels as low as 0.7 mSv...
  3. ncbi MR colonography with limited bowel preparation: patient acceptance compared with that of full-preparation colonoscopy
    Jasper Florie
    Department of Radiology, Academic Medical Center, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
    Radiology 245:150-9. 2007
    ..To prospectively evaluate participants' experience and preference of magnetic resonance (MR) colonography with limited bowel preparation compared with full-preparation colonoscopy in participants at increased risk for colorectal cancer...
  4. ncbi Magnetic resonance imaging compared with ileocolonoscopy in evaluating disease severity in Crohn's disease
    Jasper Florie
    Department of Radiology, Academic Medical Center, Amsterdam, The Netherlands
    Clin Gastroenterol Hepatol 3:1221-8. 2005
    ..The purpose of this study was to assess the value of MRI in measuring disease activity in CD patients in comparison with ileocolonoscopy...
  5. ncbi Colonography by computed tomography
    Jasper Florie
    Department of Radiology, Academic Medical Centre, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
    Eur J Gastroenterol Hepatol 17:809-13. 2005
    ..This article describes possible causes of these remarkable differences as well as advances in computed tomographic colonography...
  6. ncbi Magnetic resonance colonography with limited bowel preparation: a comparison of three strategies
    Jasper Florie
    Department of Radiology, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands
    J Magn Reson Imaging 25:766-74. 2007
    ..To prospectively compare three strategies of magnetic resonance colonography (MRC) with fecal tagging...
  7. ncbi CT colonography and colonoscopy: assessment of patient preference in a 5-week follow-up study
    Rogier E van Gelder
    Departments of Radiology, Social Medicine, and Gastroenterology, Academic Medical Center, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
    Radiology 233:328-37. 2004
    ..To prospectively evaluate short- and midterm patient preference of computed tomographic (CT) colonography relative to colonoscopy in patients at increased risk for colorectal cancer and to elucidate determinants of preference...
  8. ncbi A comparison of primary two- and three-dimensional methods to review CT colonography
    Rogier E van Gelder
    Department of Radiology, Academic Medical Center of the University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands
    Eur Radiol 17:1181-92. 2007
    ..45), number of false positives: 33.3 and 15.6, and perceptive errors : 4 and 6 (p = 0.53). No significant differences were found in the detection of large and medium-sized polyps between primary 3D and 2D review...
  9. ncbi Computed tomographic colonography compared with colonoscopy in patients at increased risk for colorectal cancer
    Rogier E van Gelder
    Department of Radiology, Academic Medical Center of the University of Amsterdam, Amsterdam, The Netherlands
    Gastroenterology 127:41-8. 2004
    ..We prospectively investigated the ability of CT colonography to identify individuals with large (>or=10 mm) colorectal polyps in consecutive patients at increased risk for colorectal cancer...
  10. ncbi CT colonography: feasibility of substantial dose reduction--comparison of medium to very low doses in identical patients
    Rogier E van Gelder
    Department of Radiology, Academic Medical Center, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
    Radiology 232:611-20. 2004
    ..Initial observations indicate that it is feasible to reduce the radiation dose required for CT colonography. Further studies are needed, however, to investigate the clinical value of very low-dose CT colonography...
  11. doi Does a computer-aided detection algorithm in a second read paradigm enhance the performance of experienced computed tomography colonography readers in a population of increased risk?
    Ayso H de Vries
    Department of Radiology, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands
    Eur Radiol 19:941-50. 2009
    ..Thus, although CTC with CAD detected a few more patients than CTC without CAD, it had no statistically significant positive influence on CTC performance...
  12. pmc Polyp measurement based on CT colonography and colonoscopy: variability and systematic differences
    Ayso H de Vries
    Department of Radiology, Academic Medical Centre, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
    Eur Radiol 20:1404-13. 2010
    ..To assess the variability and systematic differences in polyp measurements on optical colonoscopy and CT colonography...
  13. ncbi Performance of radiographers in the evaluation of CT colonographic images
    Sebastiaan Jensch
    Department of Radiology, Academic Medical Center, Meibergdreef 9, 1105 AZ Amsterdam, Noord Holland, The Netherlands
    AJR Am J Roentgenol 188:W249-55. 2007
    ..The purpose of this study was to compare the accuracy of radiographers with that of radiologists in the interpretation of CT colonographic images...
  14. ncbi Feasibility of evaluating Crohn's disease activity at 3.0 Tesla
    Karin van Gemert-Horsthuis
    Department of Radiology, Academic Medical Center, Amsterdam, The Netherlands
    J Magn Reson Imaging 24:340-8. 2006
    ..To determine whether abdominal 3.0T MRI can be used for evaluation of Crohn's disease (CD) compared with ileocolonoscopy (CS), and to determine patient preference for MRI as opposed to CS...
  15. pmc CT colonography polyp matching: differences between experienced readers
    Marjolein H Liedenbaum
    Department of Radiology, Academic Medical Center, Meibergdreef 9, 1105, AZ, Amsterdam, Netherlands
    Eur Radiol 19:1723-30. 2009
    ..Experienced CTC readers agree to a considerable extent when matching polyps between CTC and subsequent OC, but non-negligible disagreement exists...
  16. doi Influence of tagged fecal material on detectability of colorectal polyps at CT: phantom study
    Ayso H de Vries
    Department of Radiology, Academic Medical Center, University of Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
    AJR Am J Roentgenol 191:1101. 2008
    ..The purpose of this study was to determine the influence of tagged material on the minimal radiation dose needed to detect colorectal polyps at CT...
  17. doi Incidental extracolonic findings on bright lumen MR colonography in a population at increased risk for colorectal carcinoma
    Erlangga Yusuf
    Department of Radiology, Academic Medical Center, Amsterdam, Postbus 22660, 1100 DD Amsterdam, The Netherlands
    Eur J Radiol 78:135-41. 2011
    ..In this study, we sought to determine the prevalence and the spectrum of extracolonic findings in patients with an increased risk colorectal cancer that underwent bright lumen MRC...
  18. doi Image quality and patient acceptance of four regimens with different amounts of mild laxatives for CT colonography
    Sebastiaan Jensch
    Department of Radiology, Academic Medical Center, University of Amsterdam, Meibergdreef 9, 1100 DD, Amsterdam, The Netherlands
    AJR Am J Roentgenol 191:158-67. 2008
    ..The purpose of our study was to prospectively evaluate image quality and patient acceptance of CT colonography (CTC) with fecal tagging using different levels of catharsis...
  19. pmc Statistical models for quantifying diagnostic accuracy with multiple lesions per patient
    Aeilko H Zwinderman
    Department of Clinical Epidemiology and Biostatistics, J2 203, Amsterdam Medical Center, University of Amsterdam, PO Box 22700, 1100 DE Amsterdam, The Netherlands
    Biostatistics 9:513-22. 2008
    ..We applied our tools to simulated data and data of a study assessing diagnostic accuracy of virtual colonography with computed tomography in 200 patients suspected of having one or more polyps...
  20. ncbi Dynamic contrast-enhanced MRI of the bowel wall for assessment of disease activity in Crohn's disease
    Jasper Florie
    Department of Radiology, Academic Medical Center, G1 211, PO Box 22700, Amsterdam 1100 DE, The Netherlands
    AJR Am J Roentgenol 186:1384-92. 2006
    ..The purpose of this study was to evaluate the role of contrast-enhanced dynamic MRI in predicting the disease activity of Crohn's disease...
  21. ncbi Three-dimensional display modes for CT colonography: conventional 3D virtual colonoscopy versus unfolded cube projection
    Frans M Vos
    Department of Radiology, Academic Medical Center Amsterdam, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
    Radiology 228:878-85. 2003
    ..605 for conventional 3D display and kappa = 0.692 for unfolded cube display. Consequently, the latter method enhances the 3D endoluminal display with improved time efficiency and higher surface visibility...
  22. ncbi Polyp measurement and size categorisation by CT colonography: effect of observer experience in a multi-centre setting
    David Burling
    Intestinal Imaging Centre, St Marks Hospital, London, UK
    Eur Radiol 16:1737-44. 2006
    ..e. large polyps misclassified as medium). Caution should be exercised for polyps whose colonographic diameter is below but close to the 1-cm boundary threshold in order to avoid potential miscategorisation of advanced adenomas...
  23. ncbi CT colonography interpretation times: effect of reader experience, fatigue, and scan findings in a multi-centre setting
    David Burling
    Intestinal Imaging Centre, St Marks Hospital, London, UK
    Eur Radiol 16:1745-9. 2006
    ..Technicians who report more slowly are more accurate. All groups reported faster as the study period progressed...