Three-dimensional bone imaging: optical coherence tomography versus micro computer tomography

Christoph Kasseck; Marita Kratz; Antonia Torcasio; Nils C. Gerhardt; G. Harry van Lenthe; Thilo Gambichler; Klaus Hoffmann; David B. Jones; Martin R. Hofmann

doi:10.1117/12.831814

13 July 2009 Three-dimensional bone imaging: optical coherence tomography versus micro computer tomography

Christoph Kasseck, Marita Kratz, Antonia Torcasio, Nils C. Gerhardt, G. Harry van Lenthe, Thilo Gambichler, Klaus Hoffmann, David B. Jones, Martin R. Hofmann

Author Affiliations +

Proceedings Volume 7372, Optical Coherence Tomography and Coherence Techniques IV; 73721B (2009) https://doi.org/10.1117/12.831814
Event: European Conferences on Biomedical Optics, 2009, Munich, Germany

Abstract

Optical coherence tomography (OCT) and micro-computed tomography (μCT) were applied to a bone sample, a 3x4x4mm cube of fixed substantia spongiosa from an arthritic human hip. Three-dimensional image sets (1.0mm x 0.9mm x 1.6mm) were acquired with both imaging systems for the same volume of interest. For better navigation, the sample surface was additionally imaged with microscopy. The resulting OCT images were compared stepwise to the according μCT images, showing a high correlation regarding the visualization of individual trabeculae. System based imaging differences were also found: due to scattering, OCT is limited to an imaging depth of about 1mm, while μCT is capable of imaging the complete trabecular bone architecture. However, OCT images cells and the inner bone structures in contrast to μCT at similar nominal resolutions (5μm respectively 6.5μm).

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Christoph Kasseck, Marita Kratz, Antonia Torcasio, Nils C. Gerhardt, G. Harry van Lenthe, Thilo Gambichler, Klaus Hoffmann, David B. Jones, and Martin R. Hofmann "Three-dimensional bone imaging: optical coherence tomography versus micro computer tomography", Proc. SPIE 7372, Optical Coherence Tomography and Coherence Techniques IV, 73721B (13 July 2009); https://doi.org/10.1117/12.831814

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KEYWORDS

Optical coherence tomography

Bone

Computed tomography

Imaging systems

Tomography

3D image processing

Image visualization

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