@article {1731,
	title = {Discrete tomography in an in vivo small animal bone study},
	journal = {Journal of Bone and Mineral Metabolism},
	volume = {36},
	year = {2018},
	pages = {40{\textendash}53},
	doi = {10.1007/s00774-017-0815-x},
	author = {Elke Van de Casteele and Egon Perilli and Wim Van Aarle and Karen Reynolds and Jan Sijbers}
}
@conference {1760,
	title = {Screw fixation of simulated scaphoid waist fractures: a biomechanical comparison of two screw lengths.},
	year = {2017},
	abstract = {Background: 
Sixty percent of carpal bone fractures affect the scaphoid. These fractures typically occur in a young and male population, with a mean age of 25 years. Eighty percent of scaphoid fractures are located at the waist and the majority of these fractures is nondisplaced and stable. The poor healing capacity of scaphoid fractures, frequently causes delayed- or nonunion, leading to impaired function, early degenerative changes and chronic wrist pain.. Adequate treatment is therefore essential.
Scaphoid fractures can be managed with a cast or with screw fixation.  The latter offers a shorter time of immobilisation with a faster return to function, whilst having the same long-term outcome. Ideal screw length is an area of discussion. Theoretically, longer screws provide more stability, but there is a higher risk of protrusion of the screw in the cartilage resulting in more adverse effects. 

Objectives: The goal of this study was to compare the fixation strength for long and short screws in order to evaluate if the choice for the longer screw is worth the increased risk of protrusion.

Study design \& methods: Thirteen pairs of fresh frozen cadaveric scaphoids were randomized to have one side fixed with a long and one with a shorter screw (longest screw possible and longest length minus 4 mm). Under fluoroscopic control a central guidewire was inserted and a cannulated screw placed. A wedge osteotomy was made to simulate a horizontal oblique fracture plane. The proximal pole of the scaphoid was placed into a fixture. Load was applied by using a load-controlled test protocol in a hydraulic testing machine and displacement was measured.

Results: There was no significant difference between the load at 1 and 2mm displacement for long and short screws. The load at 1 and 2 mm displacement was 40.9 N (SEM 7.0 N; 90\% CI 28.4-53.5 N) and 80.9 N (SEM 11.0 N; 90\% CI 61.1-100.7 N) for the short screws compared with 50.4 N (SEM 10.2 N; 32.0-68.8 N) and 92.6 N (SEM 15.6 N; 64.5-120.7 N) for the long screws. An equivalence test based on the mean and 90\% CI showed that these values are equivalent.

Conclusions: These data suggest that in oblique waist fracture, fixation with a long or a short screw are equivalent in strength. Given the higher risk of complications with longer screws, a shorter screw is advisable and has no negative impact on the stability of the construct.
},
	author = {Maarten Ouwendijk and Niek Slingerland and Job van Nistelrooij and Toon Huysmans and Elke Van de Casteele and Francis Van Glabbeek and Geert Meermans and Frederik Verstreken}
}
@article {1437,
	title = {Super-resolution for computed tomography based on discrete tomography},
	journal = {IEEE Transactions on Image Processing},
	volume = {23},
	year = {2014},
	pages = {1181 - 1193},
	doi = {10.1109/TIP.2013.2297025},
	author = {Wim Van Aarle and Kees Joost Batenburg and Gert Van Gompel and Elke Van de Casteele and Jan Sijbers}
}
@inproceedings {1299,
	title = {Quantitative evaluation of ASiR image quality: an adaptive statistical iterative reconstruction technique},
	booktitle = {SPIE Medical Imaging},
	volume = {8313},
	year = {2012},
	month = {02/2012},
	abstract = {Adaptive statistical iterative reconstruction (ASiR) is a new algorithm used in medical X-ray imaging. It combines the standard FBP and the strength of iterative reconstruction by including a noise model in the reconstruction scheme. In this paper the effect of ASiR on the contrast to noise ratio (CNR) is studied using a low contrast phantom (Catphan). The experiments were done at different voltages and currents. The results show reduced noise and increased contrast for the ASiR reconstructions compared to FBP. For the same CNR the images from ASiR are obtained using 60\% less current, leading to a 60\% dose reduction.},
	doi = {doi:10.1117/12.911283},
	author = {Elke Van de Casteele and Paul M Parizel and Jan Sijbers}
}
@inproceedings {1298,
	title = {Bone segmentation using discrete tomography},
	booktitle = {Micro-CT User Meeting},
	year = {2011},
	pages = {178-183},
	isbn = {9789081678100},
	issn = {2033-8031},
	author = {Elke Van de Casteele and Kees Joost Batenburg and Salmon, Phil and Jan Sijbers}
}
@article {1269,
	title = {Successive Cambia: A Developmental Oddity or an Adaptive Structure?},
	journal = {PLoS ONE},
	volume = {6},
	year = {2011},
	month = {1/2011},
	pages = {e16558},
	doi = {10.1371/journal.pone.0016558},
	author = {Robert, Elisabeth M. R. and Schmitz, Nele and Boeren, Ilse and Driessens, Tess and Herremans, Kristof and Johan De Mey and Elke Van de Casteele and Beeckman, Hans and Koedam, Nico},
	editor = {Peer, Wendy}
}
@inproceedings {wvaarlegvgompeljbatenbuevdcastejsijbers2010,
	title = {A 3-dimensional discrete tomography approach for superresolution micro-CT images: application to foams},
	booktitle = {The first international conference on image formation in X-ray computed tomography},
	year = {2010},
	month = {June},
	pages = {45-48},
	author = {Wim Van Aarle and Gert Van Gompel and Kees Joost Batenburg and Elke Van de Casteele and Jan Sijbers},
	editor = {Fr{\'e}d{\'e}ric Noo}
}
@article {1267,
	title = {Analysis of micro computed tomography images; a look inside historic enamelled metal objects},
	journal = {Applied Physics A},
	volume = {98},
	year = {2010},
	month = {2/2010},
	pages = {385 - 392},
	issn = {0947-8396},
	doi = {10.1007/s00339-009-5394-9},
	author = {Annemie Van Der Linden and Elke Van de Casteele and Thomas, Mienke Simon and Vos, Annemie and Janssen, Elsje and Janssens, Koen}
}
@inproceedings {gvgompeljbatenbuevdcastewvaarlejsijbers2010,
	title = {A discrete tomography approach for superresolution micro-CT images},
	booktitle = {IEEE International Symposium on Biomedical Imaging},
	year = {2010},
	month = {April},
	pages = {816-819},
	address = {Rotterdam},
	author = {Gert Van Gompel and Kees Joost Batenburg and Elke Van de Casteele and Wim Van Aarle and Jan Sijbers}
}
@article {1268,
	title = {X-ray micro tomography and image analysis as complementary methods for morphological characterization and coating thickness measurement of coated particles},
	journal = {Advanced Powder Technology},
	volume = {21},
	year = {2010},
	month = {11/2010},
	pages = {663 - 675},
	issn = {09218831},
	doi = {10.1016/j.apt.2010.08.002},
	author = {Perfetti, Giacomo and Elke Van de Casteele and Rieger, Bernd and Wildeboer, Willem J. and Meesters, Gabrie M.H.}
}
@article {1266,
	title = {Imaging of voids due to deformation in alloy steel using micro-focus X-ray beam},
	journal = {Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms},
	volume = {267},
	year = {2009},
	month = {10/2009},
	pages = {3488 - 3490},
	issn = {0168583X},
	doi = {10.1016/j.nimb.2009.07.005},
	author = {Gupta, C. and Elke Van de Casteele and Chakravartty, J.K.}
}
@inproceedings {1297,
	title = {Three-dimensional monitoring of physical weathering in limestone with X-ray computed microtomography (micro-CT)},
	booktitle = {12th Euroseminar on Microscopy Applied to Building Materials (EMABM)},
	year = {2009},
	author = {Boone, M.A. and De Kock, T. and Dewanckele, J. and Cnudde, Veerle and Boone, M.N. and Van Loo, D. and Elke Van de Casteele and De Schutter, G. and Jacobs, P.}
}
@inproceedings {1295,
	title = {Evaluation of conservation treatments for archeological waterlogged wooden artifacts},
	booktitle = {9th International Conference on NDT of Art},
	year = {2008},
	author = {Bugani, Simone and Cloetens, Peter and Colombini, Maria Perla and Giachi, Gianna and Janssens, Koen and Modugno, Francesca and Morselli, Luciano and Elke Van de Casteele}
}
@article {1265,
	title = {Investigating morphological changes in treated vs. untreated stone building materials by x-ray micro-CT},
	journal = {Analytical and Bioanalytical Chemistry},
	volume = {391},
	year = {2008},
	month = {6/2008},
	pages = {1343 - 1350},
	issn = {1618-2642},
	doi = {10.1007/s00216-008-1946-7},
	author = {Bugani, Simone and Camaiti, Mara and Morselli, Luciano and Elke Van de Casteele and Janssens, Koen}
}
@inproceedings {1294,
	title = {X-ray computed tomography as a non-destructive tool for stone conservation},
	booktitle = {9th International Conference on NDT of Art},
	year = {2008},
	author = {Bugani, Simone and Camaiti, Mara and Morselli, Luciano and Elke Van de Casteele and Cloetens, Peter and Janssens, Koen}
}
@conference {1296,
	title = {X-ray microtomography as an imaging tool in cultural heritage},
	year = {2008},
	author = {Elke Van de Casteele and Bugani, Simone and Annemie Van Der Linden and Janssens, Koen}
}
@article {1264,
	title = {Investigation on porosity changes of Lecce stone due to conservation treatments by means of x-ray nano- and improved micro-computed tomography: preliminary results},
	journal = {X-Ray Spectrometry},
	volume = {36},
	year = {2007},
	month = {09/2007},
	pages = {316 - 320},
	issn = {00498246},
	doi = {10.1002/(ISSN)1097-453910.1002/xrs.v36:510.1002/xrs.976},
	author = {Bugani, Simone and Camaiti, Mara and Morselli, Luciano and Elke Van de Casteele and Janssens, Koen}
}
@inproceedings {1293,
	title = {X-ray microtomography as a non-destructive tool for stone characterization in a conservation study},
	booktitle = {4th ICNDT Hellenic Society},
	year = {2007},
	author = {Elke Van de Casteele and Bugani, Simone and Camaiti, Mara and Morselli, Luciano and Janssens, Koen}
}
@inproceedings {Batenburgjsijbersevdcaste2006,
	title = {Automatic multiple threshold scheme for segmentation of tomograms},
	booktitle = {Proceedings of the Biomedical Engineering IEEE/EMBS Benelux Symposium},
	volume = {2},
	year = {2006},
	month = {December},
	pages = {143-146},
	address = {Brussels, Belgium},
	author = {Kees Joost Batenburg and Jan Sijbers and Elke Van de Casteele}
}
@conference {1300,
	title = {Investigation on Lecce stone porosity by means of micro and nano X-ray tomography},
	year = {2006},
	author = {Bugani, Simone and Camaiti, Mara and Morselli, Luciano and Janssens, Koen and Elke Van de Casteele}
}
@inproceedings {evdcastedvandyckjsijberseraman2004,
	title = {The effect of beam hardening on MTF measurements in X-ray microtomography},
	booktitle = {19th Annual Symposium of the Belgian Hospital Physicists Association},
	year = {2004},
	month = {January},
	author = {Elke Van de Casteele and Dirk Van Dyck and Jan Sijbers and Erik Raman}
}
@inproceedings {evdcastedvandyckjsijberseraman2004,
	title = {Effect of beam hardening on resolution in x-ray microtomography},
	booktitle = {SPIE Medical Imaging: Image Processing},
	volume = {5370},
	year = {2004},
	month = {February},
	pages = {2089-2096},
	address = {San Diego CA, USA},
	author = {Elke Van de Casteele and Dirk Van Dyck and Jan Sijbers and Erik Raman},
	editor = {Milan Sonka}
}
@mastersthesis {1289,
	title = {Model-based approach for Beam Hardening Correction and Resolution Measurements in Microtomography},
	year = {2004},
	school = {University of Antwerp},
	type = {PhD thesis},
	address = {Antwerp},
	author = {Elke Van de Casteele}
}
@article {evdcastedvandyckjsijberseraman2004,
	title = {A model-based correction method for beam hardening artefacts in X-ray microtomography},
	journal = {Journal of X-ray science and technology},
	volume = {12},
	number = {1},
	year = {2004},
	pages = {53-57},
	author = {Elke Van de Casteele and Dirk Van Dyck and Jan Sijbers and Erik Raman}
}
@inproceedings {1292,
	title = {A bimodal energy model for correcting beam hardening artefacts in X-ray tomography},
	booktitle = {IEEE 29th Annual Northeast Bioengineering Conference2003 IEEE 29th Annual Proceedings of Bioengineering Conference},
	year = {2003},
	pages = {57 - 58},
	publisher = {IEEE},
	organization = {IEEE},
	address = {Newark, NJ, USA},
	doi = {10.1109/NEBC.2003.1215990},
	author = {Elke Van de Casteele and Dirk Van Dyck and Jan Sijbers and Erik Raman}
}
@inproceedings {evdcastedvandyckjsijberseraman2003,
	title = {A model-based correction method for beam-hardening artifacts in X-ray tomography},
	booktitle = {22nd Benelux Meeting on Systems and Control},
	year = {2003},
	month = {March},
	address = {Lommel, Belgium},
	author = {Elke Van de Casteele and Dirk Van Dyck and Jan Sijbers and Erik Raman}
}
@inproceedings {evdcastedvandyckjsijberseraman2003,
	title = {Modelling of Beam hardening in micro CT},
	booktitle = {IEEE International Symposium on Biomedical Imaging},
	year = {2003},
	month = {July},
	pages = {57-58},
	address = {Washington DC, USA},
	author = {Elke Van de Casteele and Dirk Van Dyck and Jan Sijbers and Erik Raman}
}
@article {evdcastedvandyckjsijberseraman2002,
	title = {An energy-based beam hardening model in tomography},
	journal = {Physics in Medicine and Biology},
	volume = {47},
	number = {23},
	year = {2002},
	pages = {4181-4190},
	author = {Elke Van de Casteele and Dirk Van Dyck and Jan Sijbers and Erik Raman}
}
