Projects per year
Personal profile
Expertise
My research in medical imaging spans translational projects in medical imaging physics, radiation dosimetry and engineering with a focus on the development and implementation of advanced imaging technologies for diagnostic and interventional radiology. Current research topics include: imaging physics, spectral CT techniques and functional applications for oncology, dynamic 4D-CT applications for biokinetic modelling, optimizing the use of contrast administration in CT imaging (safety and image quality), radiation dosimetry from medical applications, radiation protection, neuro MRI applications and fMRI.
Current research topics are:
- basic imaging physics
- quality control in radiology
- spectral CT techniques and functional applications for oncology
- iterative reconstruction in CT imaging
- optimizing the use of contrast administration in CT imaging (safety and image quality)
- neuro MRI applications,
- radiation dosimetry from medical applications for patient and staff
- radiation protection
- applied statistics for medical imaging
External positions
UZ Brussel, Antwerp University Hospital
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Collaborations and top research areas from the last five years
Recent external collaboration on country/territory level. Dive into details by clicking on the dots or
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VLAVIA1: ELEVATE cSBO: Enhancing Lower Dimensional Measurements for Advanced Healthcare Technologies and Engineering
Vandemeulebroucke, J. (Administrative Promotor), Verstraten, T. (CoI (Co-Promotor)) & Buls, N. (CoI (Co-Promotor))
1/06/26 → 31/05/29
Project: Applied
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FWOSB155: Evaluation of regional lung ventilation by Xenon gas-enhanced spectral CT imaging
Verelst, E. (Mandate), Buls, N. (Administrative Promotor) & Van Gompel, G. (PI (Promotor, Principal Investigator))
1/11/23 → 31/10/27
Project: Fundamental
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IRP10_b: Kinematic Assessment of Real‐time Motion Acquisition of the Human Musculoskeletal System by Dynamic 4D Transversal Imaging (KARMA‐4Dplus)
De Mey, J. (Administrative Promotor), Buls, N. (Co-Promotor), De Maeseneer, M. (Co-Promotor), Cattrysse, E. (Co-Promotor), Baeyens, J.-P. (Co-Promotor), Vandemeulebroucke, J. (Co-Promotor), Jansen, B. (Co-Promotor), Scheerlinck, T. (Co-Promotor), Lefeber, D. (Co-Promotor), Verstraten, T. (Co-Promotor), Swinnen, E. (Co-Promotor) & Beckwée, D. (Co-Promotor)
1/07/21 → 30/06/27
Project: Fundamental
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OZR4357: OZR back-up mandate aspirant Manou Acke
Buls, N. (Administrative Promotor) & Acke, M. (Mandate)
1/11/24 → 31/10/25
Project: Fundamental
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IOFPOC63: PAD flow - Quantitative Assessment of Blood Flow Using Four-Dimensional Computed Tomography
Van Gompel, G. (Administrative Promotor), Buls, N. (CoI (Co-Promotor)) & Vandemeulebroucke, J. (CoI (Co-Promotor))
15/08/24 → 14/02/26
Project: Applied
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Precision of an automated surface-based CT-RSA (asCTRSA) for assessing tibial implant migration: a porcine cadaver study and a clinical case
Acke, M., Keelson, B., Engseth, L. H. W., Øhrn, F.-D., Van Gompel, G., Röhrl, S., Schulz, A., De Mey, J. & Buls, N., 16 Jul 2026, In: Acta Orthopaedica. 97, p. 484–490 7 p.Research output: Contribution to journal › Article › peer-review
Open Access -
Regional ventilation imaging in normal and bronchoconstrictedin vivorabbit lungs using dynamic shuttle mode Xe-enhanced DECT imaging
Verelst, E., Bayat, S., Verbanck, S., Van Gompel, G., de Mey, J. & Buls, N., 12 Feb 2026, In: Physics in Medicine and Biology. 71, 3, 12 p., 035023.Research output: Contribution to journal › Article › peer-review
Open AccessFile1 Citation (Scopus)6 Downloads (Pure) -
AI-derived CT biomarker score for robust COVID-19 mortality prediction across multiple waves and regions using machine learning
De Smet, K., De Smet, D., De Jaeger, P., Dewitte, J., Martens, G. A., Buls, N. & De Mey, J., 6 Aug 2025, In: Scientific reports. 15, 1, 12 p., 28727.Research output: Contribution to journal › Article › peer-review
Open AccessFile2 Citations (Scopus)4 Downloads (Pure) -
Comparison of Diagnostic Accuracy of CT Derived Fractional Flow Reserve for Predicting Revascularization
Tsugu, T., Tanaka, K., Belsack, D., Tsugu, M., Buls, N., Argacha, J.-F., Cosyns, B., Nagatomo, Y. & De Mey, J., 1 May 2025, In: Echocardiography. 42, 5, 10 p., e70137.Research output: Contribution to journal › Article › peer-review
3 Citations (Scopus)28 Downloads (Pure) -
Detection of local ventilation defects using xenon-enhanced dynamic dual-energy CT
Verelst, E., Verbanck, S. (Contributor), Van Gompel, G. (Contributor), Buls, N. (Contributor) & Bayat, S. (Contributor), 30 Sept 2025. 1 p.Research output: Unpublished contribution to conference › Poster
Prizes
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Editor's Recognition Award for reviewing with Distinction
Buls, N. (Recipient), 2014
Prize: Prize (including medals and awards)
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Editor's Recognition Award for reviewing with Distinction
Buls, N. (Recipient), 2016
Prize: Prize (including medals and awards)
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Radiological Society of North America (RSNA)
Buls, N. (Recipient), 1 Oct 2011
Prize: Fellowship awarded competitively
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Activities
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A novel method to automatically evaluate knee implant migration based on CT imaging
Acke, M. (Speaker), Keelson, B. (Contributor), Engseth, L. (Contributor), Øhrn, F.-D. (Contributor), Van Gompel, G. (Contributor), Röhrl, S. (Contributor), Schulz, A. (Contributor), De Mey, J. (Contributor) & Buls, N. (Speaker)
31 Jan 2026Activity: Talk or presentation › Talk or presentation at a conference
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The precision of CT imaging for the evaluation of bone implant migration: a preclinical study on a porcine cadaver model.
Acke, M. (Speaker), Keelson, B. (Contributor), Engseth, L. (Contributor), Van Gompel, G. (Contributor), Øhrn, F.-D. (Contributor), De Mey, J. (Contributor), Schulz, A. (Contributor), Röhrl, S. (Contributor) & Buls, N. (Contributor)
7 Feb 2025Activity: Talk or presentation › Talk or presentation at a conference
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The impact of detector coverage on motion artefacts in photon-counting CT imaging using a motion phantom
Verelst, E. (Speaker), Van Gompel, G. (Contributor), Crotty, D. (Contributor), Linder, H. (Contributor), Deak, P. (Contributor), De Mey, J. (Contributor) & Buls, N. (Contributor)
28 Feb 2025Activity: Talk or presentation › Talk or presentation at a conference
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Detection of regional ventilation differences in normal and defected in vivo rabbit lungs using dynamic Xenon-gas enhanced DECT shuttle mode imaging
Verelst, E. (Speaker), Van Gompel, G. (Contributor), Bayat, S. (Contributor), Verbanck, S. (Contributor), De Mey, J. (Contributor) & Buls, N. (Contributor)
7 Feb 2025Activity: Talk or presentation › Talk or presentation at a conference
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The precision of a novel method for automated CT-based radio-stereometric analysis in evaluating tibial implant migration
Acke, M. (Speaker), Keelson, B. (Contributor), Engseth, L. (Contributor), Van Gompel, G. (Contributor), Øhrn, F.-D. (Contributor), De Mey, J. (Contributor), Schulz, A. (Contributor), Röhrl, S. (Contributor) & Buls, N. (Speaker)
28 Feb 2025Activity: Talk or presentation › Talk or presentation at a conference
Press/Media
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Cardiologie klaargestoomd voor vierde dimensie
5/03/21 → 23/03/21
2 items of Media coverage
Press/Media: Research
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CT-scans helpen vulkaanuitbarstingen beter te voorspellen
14/11/19
1 Media contribution
Press/Media: Research
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Blog: Reactie op een bericht ivm stralingseffecten in de media
1/06/16
1 Media contribution
Press/Media: Other
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Thesis
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Activatieanalyse voor het opstellen van een ontmantelingsstrategie
Buls, N. ((PhD) Student) & Hermanne, A. (Promotor), Hermanne, A. (Promotor), 1996Student thesis: Master's Thesis
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Correlation between routine personal dosimetry and the dose to the brain of interventional cardiologists
Smeulders, J. ((PhD) Student), Buls, N. (Promotor), Honorio Da Silva, E. (Promotor), Baete, K. (Jury), Covens, P. (Jury) & De Mey, J. (Jury), 3 Jun 2019Student thesis: Master's Thesis
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Development of a method for individualized organ dose assessment in computed tomography
Lopez-Rendon, X. ((PhD) Student), Buls, N. (Jury), Luciani, A. (Jury), McNitt-Gray, M. (Jury) & Nuyts, J. (Jury), Zanca, F. (Promotor), 3 Oct 2016Student thesis: Doctoral Thesis
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Digital breast tomosynthesis: potential clinical role in the diagnosis of breast cancer, a phantom study.
Raeymaeckers, S. ((PhD) Student), De Mey, J. (Promotor) & Buls, N. (Co-promotor), 2009Student thesis: Master's Thesis
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Stralingsbelasting voor de omgeving van patienten tijdens en na nucleair geneeskundige onderzoeken
Buls, N. ((PhD) Student) & Hermanne, A. (Promotor), Hermanne, A. (Promotor), 1997Student thesis: Master's Thesis