Martin J Willemink

Summary

Affiliation: University Medical Center Utrecht
Country: The Netherlands

Publications

  1. doi request reprint Prognostic value of heart valve calcifications for cardiovascular events in a lung cancer screening population
    Martin J Willemink
    Department of Radiology, University Medical Center Utrecht, E01 132, P O Box 85500, 3508 GA, Utrecht, The Netherlands
    Int J Cardiovasc Imaging 31:1243-9. 2015
  2. doi request reprint Coronary calcium scores are systematically underestimated at a large chest size: A multivendor phantom study
    Martin J Willemink
    Department of Radiology, University Medical Center Utrecht, P O Box 85500, E01 132, Utrecht 3508 GA, The Netherlands Electronic address
    J Cardiovasc Comput Tomogr 9:415-21. 2015
  3. doi request reprint The impact of CT radiation dose reduction and iterative reconstruction algorithms from four different vendors on coronary calcium scoring
    Martin J Willemink
    Department of Radiology, Utrecht University Medical Center, P O Box 85500, E01 132, 3508 GA, Utrecht, The Netherlands
    Eur Radiol 24:2201-12. 2014
  4. pmc The effects of computed tomography with iterative reconstruction on solid pulmonary nodule volume quantification
    Martin J Willemink
    Utrecht University Medical Center, Department of Radiology, Utrecht, The Netherlands
    PLoS ONE 8:e58053. 2013
  5. doi request reprint Iterative reconstruction improves evaluation of native aortic and mitral valves by retrospectively ECG-gated thoracoabdominal CTA
    Martin J Willemink
    Department of Radiology, Utrecht University Medical Center, P O Box 85500, E01 132, 3508 GA, Utrecht, The Netherlands
    Eur Radiol 23:968-74. 2013
  6. doi request reprint Systematic error in lung nodule volumetry: effect of iterative reconstruction versus filtered back projection at different CT parameters
    Martin J Willemink
    Department of Radiology, Utrecht University Medical Center, HP E01 132, Heidelberglaan 100, 3584 CX Utrecht, The Netherlands
    AJR Am J Roentgenol 199:1241-6. 2012
  7. doi request reprint Iterative reconstruction techniques for computed tomography Part 1: technical principles
    Martin J Willemink
    Department of Radiology, Utrecht University Medical Center, PO Box 85500, E01 132, 3508 GA, Utrecht, The Netherlands
    Eur Radiol 23:1623-31. 2013
  8. doi request reprint Iterative reconstruction techniques for computed tomography part 2: initial results in dose reduction and image quality
    Martin J Willemink
    Department of Radiology, Utrecht University Medical Center, PO Box 85500, E01 132, 3508 GA Utrecht, The Netherlands
    Eur Radiol 23:1632-42. 2013
  9. pmc Iterative reconstruction does not substantially delay CT imaging in an emergency setting
    Martin J Willemink
    Department of Radiology, Utrecht University Medical Center, P O Box 85500, E01 132, 3508 GA, Utrecht, The Netherlands
    Insights Imaging 4:391-7. 2013
  10. doi request reprint Coronary artery calcification scoring with state-of-the-art CT scanners from different vendors has substantial effect on risk classification
    Martin J Willemink
    From the Departments of Radiology M J W, R A P T, T L, R P J B, A M R S, P A d J and Anatomy R L A W B, Utrecht University Medical Center, PO Box 85500, E01 132, 3508 GA Utrecht, The Netherlands Department of Radiology, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands R V Department of Radiology, Maastricht University Medical Center, Maastricht, the Netherlands M D, J E W Department of Radiology, Radboud University Nijmegen Medical Center, Nijmegen, the Netherlands M P and Department of Radiology, UZ Brussel, Brussels, Belgium N B, J D M
    Radiology 273:695-702. 2014

Collaborators

Detail Information

Publications25

  1. doi request reprint Prognostic value of heart valve calcifications for cardiovascular events in a lung cancer screening population
    Martin J Willemink
    Department of Radiology, University Medical Center Utrecht, E01 132, P O Box 85500, 3508 GA, Utrecht, The Netherlands
    Int J Cardiovasc Imaging 31:1243-9. 2015
    ..However, there was no added prognostic value beyond age, number of pack-years, current smoking status, coronary and aorta calcium volume for short term cardiovascular events...
  2. doi request reprint Coronary calcium scores are systematically underestimated at a large chest size: A multivendor phantom study
    Martin J Willemink
    Department of Radiology, University Medical Center Utrecht, P O Box 85500, E01 132, Utrecht 3508 GA, The Netherlands Electronic address
    J Cardiovasc Comput Tomogr 9:415-21. 2015
    ..To evaluate the effect of chest size on coronary calcium score (CCS) as assessed with new-generation CT systems from 4 major vendors...
  3. doi request reprint The impact of CT radiation dose reduction and iterative reconstruction algorithms from four different vendors on coronary calcium scoring
    Martin J Willemink
    Department of Radiology, Utrecht University Medical Center, P O Box 85500, E01 132, 3508 GA, Utrecht, The Netherlands
    Eur Radiol 24:2201-12. 2014
    ..To analyse the effects of radiation dose reduction and iterative reconstruction (IR) algorithms on coronary calcium scoring (CCS)...
  4. pmc The effects of computed tomography with iterative reconstruction on solid pulmonary nodule volume quantification
    Martin J Willemink
    Utrecht University Medical Center, Department of Radiology, Utrecht, The Netherlands
    PLoS ONE 8:e58053. 2013
    ..The objectives of this study were to evaluate the influence of iterative reconstruction (IR) on pulmonary nodule volumetry with chest computed tomography (CT)...
  5. doi request reprint Iterative reconstruction improves evaluation of native aortic and mitral valves by retrospectively ECG-gated thoracoabdominal CTA
    Martin J Willemink
    Department of Radiology, Utrecht University Medical Center, P O Box 85500, E01 132, 3508 GA, Utrecht, The Netherlands
    Eur Radiol 23:968-74. 2013
    ..To compare native aortic (AV) and mitral valve (MV) image quality on limited-dose retrospectively ECG-gated CTA of the thoracoabdominal aorta reconstructed with iterative reconstruction (IR) and filtered back projection (FBP)...
  6. doi request reprint Systematic error in lung nodule volumetry: effect of iterative reconstruction versus filtered back projection at different CT parameters
    Martin J Willemink
    Department of Radiology, Utrecht University Medical Center, HP E01 132, Heidelberglaan 100, 3584 CX Utrecht, The Netherlands
    AJR Am J Roentgenol 199:1241-6. 2012
    ..We compared nodule volumes measured with iterative reconstruction and FBP at different CT parameters...
  7. doi request reprint Iterative reconstruction techniques for computed tomography Part 1: technical principles
    Martin J Willemink
    Department of Radiology, Utrecht University Medical Center, PO Box 85500, E01 132, 3508 GA, Utrecht, The Netherlands
    Eur Radiol 23:1623-31. 2013
    ..To explain the technical principles of and differences between commercially available iterative reconstruction (IR) algorithms for computed tomography (CT) in non-mathematical terms for radiologists and clinicians...
  8. doi request reprint Iterative reconstruction techniques for computed tomography part 2: initial results in dose reduction and image quality
    Martin J Willemink
    Department of Radiology, Utrecht University Medical Center, PO Box 85500, E01 132, 3508 GA Utrecht, The Netherlands
    Eur Radiol 23:1632-42. 2013
    ....
  9. pmc Iterative reconstruction does not substantially delay CT imaging in an emergency setting
    Martin J Willemink
    Department of Radiology, Utrecht University Medical Center, P O Box 85500, E01 132, 3508 GA, Utrecht, The Netherlands
    Insights Imaging 4:391-7. 2013
    ..To evaluate the effects of iterative reconstruction (IR) on reconstruction time and speed in two commonly encountered acquisition protocols in an emergency setting: pulmonary CT angiography (CTA) and total body trauma CT...
  10. doi request reprint Coronary artery calcification scoring with state-of-the-art CT scanners from different vendors has substantial effect on risk classification
    Martin J Willemink
    From the Departments of Radiology M J W, R A P T, T L, R P J B, A M R S, P A d J and Anatomy R L A W B, Utrecht University Medical Center, PO Box 85500, E01 132, 3508 GA Utrecht, The Netherlands Department of Radiology, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands R V Department of Radiology, Maastricht University Medical Center, Maastricht, the Netherlands M D, J E W Department of Radiology, Radboud University Nijmegen Medical Center, Nijmegen, the Netherlands M P and Department of Radiology, UZ Brussel, Brussels, Belgium N B, J D M
    Radiology 273:695-702. 2014
    ....
  11. doi request reprint Dose reduction with iterative reconstruction for coronary CT angiography: a systematic review and meta-analysis
    Annemarie M den Harder
    1 Department of Radiology, University Medical Center Utrecht, Utrecht, Netherlands
    Br J Radiol 89:20150068. 2016
    ..To investigate the achievable radiation dose reduction for coronary CT angiography (CCTA) with iterative reconstruction (IR) in adults and the effects on image quality...
  12. doi request reprint Quantification of coronary artery calcium in nongated CT to predict cardiovascular events in male lung cancer screening participants: results of the NELSON study
    Richard A P Takx
    Department of Radiology, University Medical Center Utrecht, Heidelberglaan 100, 3508 GA Utrecht, The Netherlands Electronic address
    J Cardiovasc Comput Tomogr 9:50-7. 2015
    ..To evaluate the incremental prognostic value of the number and maximum volume of coronary artery calcifications over modified Agatston score strata, age, pack-years, and smoking status for predicting cardiovascular events...
  13. doi request reprint Interscan variation of semi-automated volumetry of subsolid pulmonary nodules
    Ernst Th Scholten
    Department of Radiology, University Medical Center, Heidelberglaan 100, 3584 CX, Utrecht, The Netherlands
    Eur Radiol 25:1040-7. 2015
    ..We aimed to test the interscan variation of semi-automatic volumetry of subsolid nodules (SSNs), as growth evaluation is important for SSN management...
  14. doi request reprint Computer-aided segmentation and volumetry of artificial ground-glass nodules at chest CT
    Ernst Th Scholten
    Department of Radiology, University Medical Centre Utrecht, Heidelberglaan 100, 3584 CX Utrecht, The Netherlands
    AJR Am J Roentgenol 201:295-300. 2013
    ....
  15. doi request reprint Effect of radiation dose reduction and iterative reconstruction on computer-aided detection of pulmonary nodules: Intra-individual comparison
    Annemarie M den Harder
    Department of Radiology, University Medical Center, Utrecht, The Netherlands Electronic address
    Eur J Radiol 85:346-51. 2016
    ..To evaluate the effect of radiation dose reduction and iterative reconstruction (IR) on the performance of computer-aided detection (CAD) for pulmonary nodules...
  16. doi request reprint Cardiac valve calcifications on low-dose unenhanced ungated chest computed tomography: inter-observer and inter-examination reliability, agreement and variability
    Robbert W van Hamersvelt
    Department of Radiology, University Medical Center Utrecht, P O Box 85500, E01 132, 3508 GA, Utrecht, The Netherlands
    Eur Radiol 24:1557-64. 2014
    ..To determine inter-observer and inter-examination variability for aortic valve calcification (AVC) and mitral valve and annulus calcification (MC) in low-dose unenhanced ungated lung cancer screening chest computed tomography (CT)...
  17. doi request reprint Dose reduction for coronary calcium scoring with hybrid and model-based iterative reconstruction: an ex vivo study
    Annemarie M den Harder
    Department of Radiology, Utrecht University Medical Center, E01 132, P O Box 85500, 3508 GA, Utrecht, The Netherlands
    Int J Cardiovasc Imaging 30:1125-33. 2014
    ..To determine the influence of dose reduction on coronary calcium scoring using hybrid and model-based iterative reconstruction (IR) techniques...
  18. doi request reprint Achievable dose reduction using iterative reconstruction for chest computed tomography: A systematic review
    Annemarie M den Harder
    Department of Radiology, University Medical Center, PO Box 85500, 3508GA Utrecht, The Netherlands Electronic address
    Eur J Radiol 84:2307-13. 2015
    ..Iterative reconstruction (IR) allows for dose reduction with maintained image quality in CT imaging. In this systematic review the reported effective dose reductions for chest CT and the effects on image quality are investigated...
  19. doi request reprint Finding the optimal dose reduction and iterative reconstruction level for coronary calcium scoring
    Martin J Willemink
    Department of Radiology, University Medical Center Utrecht, Utrecht, The Netherlands Electronic address
    J Cardiovasc Comput Tomogr 10:69-75. 2016
    ..To assess the maximally achievable computed tomography (CT) dose reduction for coronary artery calcium (CAC) scoring with iterative reconstruction (IR) by using phantom-experiments and a systematical within-patient study...
  20. doi request reprint Hybrid and model-based iterative reconstruction techniques for pediatric CT
    Annemarie M den Harder
    1 All authors Department of Radiology, Utrecht University Medical Center, PO Box 85500, E01 132, Utrecht, 3508 GA, The Netherlands
    AJR Am J Roentgenol 204:645-53. 2015
    ..Future research should determine the maximum achievable radiation dose reduction in pediatric CT that is possible without a loss of diagnostic image quality. ..
  21. doi request reprint Coronary artery assessment on electrocardiogram-gated thoracoabdominal multidetector computed tomographic angiography for aortic evaluation
    Martin J Willemink
    From the Departments of Radiology, Cardiology, and Vascular Surgery, University Medical Center Utrecht, Utrecht, The Netherlands
    J Comput Assist Tomogr 38:185-9. 2014
    ....
  22. doi request reprint The effect of iterative reconstruction on quantitative computed tomography assessment of coronary plaque composition
    Richard A P Takx
    Department of Radiology, University Medical Center Utrecht, P O Box 85500, Heidelberglaan 100, 3584 CX, Utrecht, The Netherlands
    Int J Cardiovasc Imaging 30:155-63. 2014
    ..The application of IR significantly improves objective image quality, and does not alter quantitative analysis of coronary plaque volume, composition and luminal area...
  23. pmc The effect of iterative reconstruction on computed tomography assessment of emphysema, air trapping and airway dimensions
    Onno M Mets
    Department of Radiology, UMC Utrecht, P O Box 85500, E01 132, 3508, GA, Utrecht, The Netherlands
    Eur Radiol 22:2103-9. 2012
    ..To determine the influence of iterative reconstruction (IR) on quantitative computed tomography (CT) measurements of emphysema, air trapping, and airway wall and lumen dimensions, compared to filtered back-projection (FBP)...
  24. doi request reprint The impact of a new model-based iterative reconstruction algorithm on prosthetic heart valve related artifacts at reduced radiation dose MDCT
    Dominika Suchá
    Department of Radiology, University Medical Center Utrecht, Heidelberglaan 100, P O Box 85500, 3508 GA, Utrecht, The Netherlands
    Int J Cardiovasc Imaging 30:785-93. 2014
    ..Also, this study suggests that IMR allows for more radiation dose reduction in comparison to hybrid IR while maintaining high image quality. ..
  25. doi request reprint Intravenous contrast injection significantly affects bone mineral density measured on CT
    Esther Pompe
    Department of Radiology and Internal Medicine Geriatrics, University Medical Center Utrecht, Postbus 85500, Postbox E 03 511, 3508, GA, Utrecht, Netherlands
    Eur Radiol 25:283-9. 2015
    ..The objective is to evaluate the effect of intravenous contrast media on bone mineral density (BMD) assessment by comparing unenhanced and contrast-enhanced computed tomography (CT) examinations performed for other indications...