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1 September 2011 Optical scattering coefficient estimated by optical coherence tomography correlates with collagen content in ovarian tissue
Yi Yang, Tianheng Wang, Nrusingh C. Biswal, Molly Brewer, Quing Zhu, Xiaohong Wang, Melinda Sanders
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Journal of Biomedical Optics, Vol. 16, Issue 9, 090504 (September 2011). https://doi.org/10.1117/1.3625247
Abstract
Optical scattering coefficient from ex vivo unfixed normal and malignant ovarian tissue was quantitatively extracted by fitting optical coherence tomography (OCT) A-line signals to a single scattering model. 1097 average A-line measurements at a wavelength of 1310 nm were performed at 108 sites obtained from 18 ovaries. The average scattering coefficient obtained from the normal tissue group consisted of 833 measurements from 88 sites was 2.41 mm−1 (±0.59), while the average coefficient obtained from the malignant tissue group consisted of 264 measurements from 20 sites was 1.55 mm−1 (±0.46). The malignant ovarian tissue showed significant lower scattering than the normal group (p < 0.001). The amount of collagen within OCT imaging depth was analyzed from the tissue histological section stained with Sirius Red. The average collagen area fraction (CAF) obtained from the normal tissue group was 48.4% (±12.3%), while the average CAF obtained from the malignant tissue group was 11.4% (±4.7%). A statistical significance of the collagen content was found between the two groups (p < 0.001). These results demonstrated that quantitative measurements of optical scattering coefficient from OCT images could be a potential powerful method for ovarian cancer detection.
©(2011) Society of Photo-Optical Instrumentation Engineers (SPIE)
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Yi Yang, Tianheng Wang, Nrusingh C. Biswal, Molly Brewer, Quing Zhu, Xiaohong Wang, and Melinda Sanders "Optical scattering coefficient estimated by optical coherence tomography correlates with collagen content in ovarian tissue," Journal of Biomedical Optics 16(9), 090504 (1 September 2011). https://doi.org/10.1117/1.3625247
Published: 1 September 2011
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KEYWORDS
Tissues
Collagen
Optical coherence tomography
Scattering
Tissue optics
Ovary
Ovarian cancer
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