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Title3D segmentation of intervertebral discs: from concept to the fabrication of patient-specific scaffolds
Author(s)Oner, T.
Cengiz, I. F.
Pitikakis, M.
Cesario, L.
Parascandolo, P.
Vosilla, L.
Viano, G.
Oliveira, J. M.
Reis, R. L.
Silva-Correia, Joana
Keywords3D bioprinting
Intervertebral disc
MRI segmentation
Patient-specific approach
Rapid prototyping
Reverse Engineering
Tissue engineering
Issue dateMar-2017
PublisherFuture Medicine
JournalJournal of 3D Printing in Medicine
CitationOner T., Cengiz I. F., Pitikakis M., Cesario L., Parascandolo P., Vosilla L., Viano G., Oliveira J. M., Reis R. L., Silva-Correia J. 3D segmentation of intervertebral discs: From concept to the fabrication of patient-specific scaffolds, Journal of 3D Printing in Medicine, Vol. 1, Issue 2, pp. 91-101, doi:10.2217/3dp-2016-0011, 2017
Abstract(s)Aim: To develop a methodology for producing patient-specific scaffolds that mimic the annulus fibrosus (AF) of the human intervertebral disc (IVD) by means of combining magnetic resonance imaging (MRI) and 3D bioprinting. Methods: In order to obtain the AF 3D model from patientâ s volumetric MRI dataset, the RheumaSCORE segmentation software was used. Polycaprolactone scaffolds with three different internal architectures were fabricated by 3D bioprinting, and characterized by micro-computed tomography. Results: The demonstrated methodology of a geometry reconstruction pipeline enabled to successfully obtain an accurate AF model and 3D print patient-specific scaffolds with different internal architectures. Conclusion: The results guide us towards patient-specific IVD tissue engineering as demonstrated a way of manufacturing personalized scaffolds using patient's MRI data.
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AccessOpen access
Appears in Collections:3B’s - Artigos em revistas/Papers in scientific journals

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