Modeling of X-ray propagation in bone microstructure

• Autorzy: Binkowski M. , Król Z. , Wróbel Z. , Zeilhofer H.-F.
• Języki publikacji: EN

Abstrakty

EN

This paper presents some results concerning the analysis of X-ray propagation through biological structures. We introduce a physical model of the phenomenon and a numerical method based on this model for simulation of X-ray radiation propagation. The proposed method enables generation of radiological projections like those in the computed tomography or microtomography. We have focused our attention on the attenuation of X-ray radiation in bone tissue. Our computational model enables simulation of radiation propagation in the virtual specimen. The virtual bone microstructures used in our experiments are derived from the microtomography datasets of real bone specimens. The main advantage of our approach is that we can change the microstructure of the virtual sample in many ways by using the image processing methods. Results presented in this paper contain simulations of X-ray propagation for modified and unmodified trabecular microstructures as well as the visualization of the radiation intensity distribution for the simulated cases. With this new simulation technique, it is possible for example to analyze the propagation of X-ray radiation for different pathologic types of bone microstructure (e.g. virtually generated osteoporosis).

Słowa kluczowe

EN

microtomography; X-ray propagation; bone microstructure; attenuation of X-ray radiation; visualization; computed tomography; erosion

PL

mikrotomografia; mikrostruktury kości; tłumienie promieniowania rentgenowskiego; wizualizacja; tomografia komputerowa; erozja

• Wydawca: University of Silesia, Institute of Informatics, Computer Systems Department
• Czasopismo: Journal of Medical Informatics & Technologies
• Rocznik: 2005
• Tom: Vol. 9
• Strony: 75--82
• Opis fizyczny: Bibliogr. 7 poz., rys., tab.

Twórcy

autor

Binkowski M.

• Institute of Computer Science, Department of Biomedical Computer Systems, Silesian University, PL-41-200 Sosnowiec, ul. Będzińska 39

autor

Król Z.

• Hightech-Forschungs-Zentrum der Kiefer- und Gesichtschirurgie, Universitätsspital Basel, Schanzenstrasse 46, CH-4031 Basel

autor

Wróbel Z.

• Institute of Computer Science, Department of Biomedical Computer Systems, Silesian University, PL-41-200 Sosnowiec, ul. Będzińska 39

autor

Zeilhofer H.-F.

• Hightech-Forschungs-Zentrum der Kiefer- und Gesichtschirurgie, Universitätsspital Basel, Schanzenstrasse 46, CH-4031 Basel

Bibliografia

• [1] MÜLLER R., HAHN M., VOGEL M., DELLING G., RÜEGSEGGER P., Morphometric analysis of noninvasively assessed bone biopsies: Comparison of high-resolution computed tomography and histologic sections, Bone, Vol. 18, No. 3, pp. 215-220, 1996.
• [2] BEUTEL J., KUNDEL H. L., VAN METTER R. L., (ed.), Handbook of Medical Imaging, Vol. 1., Physics and Psychophysics, SPIE PRESS, 2000.
• [3] BINKOWSKI M., DYSZKIEWICZ A., WRÓBEL Z., Simulation of the reaction of X-ray radiation with an object within densitometry test, Journal of Medical Informatics & Technologies Vol. 8/2004, pp. MM-95-104.
• [4] HENDEE W. R., RITENOUR E. R., Medical Image Physics, Wiley-Liss, 4th edition, New York 2002.
• [5] COWIN, C. S., Bone Mechanics Handbook, CRC Press, New York 2001.
• [6] http://physics.nist.gov/PhysRefData/XrayMassCoef/cover.html
• [7] SERRA J., Image Analysis and Mathematical Morphology, Academic Press, 1982.