Innovative application of optical techniques to comprehensive study of the etiology of osteoarthritis

Nadya Ugryumova; Stephen J. Matcher

doi:10.1117/12.696951

21 July 2006 Innovative application of optical techniques to comprehensive study of the etiology of osteoarthritis

Nadya Ugryumova, Stephen J. Matcher

Proceedings Volume 6163, Saratov Fall Meeting 2005: Optical Technologies in Biophysics and Medicine VII; 616308 (2006) https://doi.org/10.1117/12.696951
Event: Saratov Fall Meeting 2005, 2005, Saratov, Russian Federation

Abstract

Osteoarthritis is a painful condition, causing restricted mobility in the articular joints. In this paper we present a review of different optical techniques that might be used to clarify the etiology of degeneration of connective joint tissues, such as bone and articular cartilage. Significant correlation (R² = 0.8) between bone mineral density and scattering coefficient of cortical bone tissue are found by using Integrating Sphere Technique. Optical Coherence Tomography and Polarization-Sensitive Optical Coherence Tomography images of cartilage tissue are presented. They were performed as series of angle-dependant measurements for different location along the surface. Method for spatial mapping the birefringence of equine articular cartilage is proposed. Variations in band spacing of birefringence obtained from visually healthy and abnormal cartilage samples are compared. Visible osteoarthritic lesions are characterized by a loss of the regular birefringence bands shown by normal cartilage. We discuss the hypothesis that some of these variations may be due to changes in intrinsic structure of tissue.

Citation Download Citation

Nadya Ugryumova and Stephen J. Matcher "Innovative application of optical techniques to comprehensive study of the etiology of osteoarthritis", Proc. SPIE 6163, Saratov Fall Meeting 2005: Optical Technologies in Biophysics and Medicine VII, 616308 (21 July 2006); https://doi.org/10.1117/12.696951

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