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Journal of Biomedical Optics

Quantitative analysis on tongue inspection in traditional Chinese medicine using optical coherence tomography
Author(s): Haixin Dong; Zhouyi Guo; Chang-Chun Zeng; Hui-Qing Zhong; Yonghong He; Ruikang Wang; Songhou Liu
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Paper Abstract

Tongue inspection (TI) is an important and unique diagnostic method in traditional Chinese medicine (TCM), because significant connections between various viscerae diseases and abnormalities in the tongue have been verified. In TCM, TI is simple and non invasive, but in clinical applications, TI is subjectively based on the experience and technique of physicians. To avoid this problem, optical coherence tomography (OCT) imaging is introduced here for TI. We study OCT imaging in rats in vivo from chronic gastritis group (model) and normal group (control) and quantitatively analyze the relative parameters, such as the thickness and the moisture degree of TI. Our results show that OCT images properly demonstrate the thickness of the tongue coating and the moisture degree of the tongue in both groups, and the thickness is increased in the model group from that in the normal group, while the moisture degree decreases. As a result, OCT technology has the potential to provide physicians with an objective diagnostic standard for visual TI in TCM clinical practice and research.

Paper Details

Date Published: 1 January 2008
PDF: 6 pages
J. Biomed. Opt. 13(1) 011004 doi: 10.1117/1.2870175
Published in: Journal of Biomedical Optics Volume 13, Issue 1
Show Author Affiliations
Haixin Dong, South China Normal Univ. (China)
Zhouyi Guo, South China Normal Univ. (China)
Chang-Chun Zeng, South China Normal Univ. (China)
Hui-Qing Zhong, South China Normal Univ. (China)
Yonghong He, Tsinghua Univ. (China)
Ruikang Wang, Oregon Health & Science Univ. (United States)
Songhou Liu, South China Normal Univ. (China)


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