Evaluation of trabecular bone properties using ultrasonic scanne

• Autorzy: Cieślik L. , Litniewski J. , Lewandowski M. , Nowicki A.
• Języki publikacji: EN

Abstrakty

EN

Signals scattered in trabecular bone contain information about properties of the bone structure. Evaluation of this properties may be essential for osteoporosis diagnosis and treatment monitoring because the standard densitometry does not provide complete information about the bone strength. It was previously demonstrated that using numerical model of backscattering in trabecular bone it is possible to estimate some microstructural characteristics of bone. Model predicts departures from the Rayleigh statistics of the scattered signal envelope depended on the scatterer physical parameters and its shape uniformity. This study concerns examination of trabecular bone (calcaneus) in vivo. Ultrasonic bone scanner operating at frequency of 1,5 MHz was used to collect backscattered signals. Data were processed in order to obtain the statistical properties of the signal envelope and to compare them with histograms resulting from modeling. This study is an approach towards developing a tool for the investigation of scattering in trabecular bone that can potentially provide clinically useful information about bone strength and condition.

• Wydawca: Polskie Towarzystwo Akustyczne. Oddział Gdański
• Czasopismo: Hydroacoustics
• Rocznik: 2010
• Tom: Vol. 13
• Strony: 39--52
• Opis fizyczny: Bibliogr. 29 poz., rys.

Twórcy

autor

Cieślik L.

autor

Litniewski J.

autor

Lewandowski M.

autor

Nowicki A.

• Department of Ultrasound Institute of Fundamental Technological Research Polish Academy of Sciences ul. Pawińskiego 5B, PL-02-106 Warszawa, Poland,

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