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Proceedings Paper

Quantitative evaluation of healing degree in injured tendons based on orientation analysis of collagen fibers by using Fourier-transform second-harmonic-generation microscopy and its relationship to mechanical property
Author(s): Eiji Hase; Takeo Minamikawa; Katsuya Sato; Daisuke Yonekura; Mitsuhiko Takahashi; Takeshi Yasui
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Paper Abstract

We used Fourier-transform second-harmonic generation (FT-SHG) microscopy to analyze the orientation of collagen fibers in healing rabbit tendons recovered from an artificial transection. The histological difference between normal and healing tendons can be observed from normal SHG images, whereas the percentage of anisotropic (preferred orientation) regions obtained from the orientation analysis was well correlated (R2 = 0.63) with Young’s modulus obtained from tensile testing of the same sample. Since Young’s modulus reflects the degree of mechanical healing, our results indicate that FT-SHG microscopy have a unique potential as a non-destructive and non-invasive modality for a simultaneous assessment of the histological and mechanical healing degree in injured tendons.

Paper Details

Date Published: 24 April 2018
PDF: 7 pages
Proc. SPIE 10711, Biomedical Imaging and Sensing Conference, 107110V (24 April 2018); doi: 10.1117/12.2318673
Show Author Affiliations
Eiji Hase, JASRI/SPring (Japan)
Takeo Minamikawa, Tokushima Univ. (Japan)
Katsuya Sato, Tokushima Univ. (Japan)
Daisuke Yonekura, Tokushima Univ. (Japan)
Mitsuhiko Takahashi, Tokushima Pref. Cent. Hosp. (Japan)
Takeshi Yasui, Tokushima Univ. (Japan)

Published in SPIE Proceedings Vol. 10711:
Biomedical Imaging and Sensing Conference
Toyohiko Yatagai; Yoshihisa Aizu; Osamu Matoba; Yasuhiro Awatsuji; Yuan Luo, Editor(s)

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