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In vivo optical virtual biopsy of human oral mucosa with harmonic generation microscopyMing-Rung Tsai, Szu-Yu Chen, Dar-Bin Shieh, Pei-Jen Lou, and Chi-Kuang Sun »View Author Affiliations
Ming-Rung Tsai,1
Szu-Yu Chen,1
Dar-Bin Shieh,2,6
Pei-Jen Lou,3
and Chi-Kuang Sun1,4,5,7
1Graduate Inst. of Photonics and Optoelectronics and Department of Electrical Engineering, National Taiwan University, Taipei 10617, Taiwan 2Institute of Oral Medical and Department of Stomatology, Cheng Kung University Medical College and Hospital, Tainan 70101, Taiwan, and Advanced Optoelectronic Technology Center, Center for Micro/Nano Science and Technology, and Innovation Center for Advanced Medical Device Technology, National Cheng Kung University, Tainan 70101, Taiwan 3Department of Otolaryngology, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, 100, Taiwan 4Institute of Physics and Research Center for Applied Sciences, Academia Sinica, Taipei, 115, Taiwan 5Molecular Imaging Center and Graduate Inst. of Biomedical Electronics and Bioinformatics, National Taiwan University, Taipei 10617, Taiwan 6dshieh@mail.ncku.edu.tw 7sun@cc.ee.ntu.edu.tw |
Biomedical Optics Express, Vol. 2, Issue 8, pp. 2317-2328 (2011)
http://dx.doi.org/10.1364/BOE.2.002317
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Abstract
Recent clinical studies on human skin indicated that in vivo multi-harmonic generation microscopy (HGM) can achieve sub-micron resolution for histopathological analysis with a high penetration depth and leave no energy or photodamages in the interacted tissues. It is thus highly desired to apply HGM for in vivo mucosa histopathological diagnosis. In this paper, the first in vivo optical virtual biopsy of human oral mucosa by using epi-HGM is demonstrated. We modified an upright microscope to rotate the angle of objective for in vivo observation. Our clinical study reveals the capability of HGM to in vivo image cell distributions in human oral mucosa, including epithelium and lamina propria with a high penetration depth greater than 280 μm and a high spatial resolution better than 500 nm. We also found that the third-harmonic-generation (THG) contrast on nucleus depends strongly on its thicknesses, in agreement with a numerical simulation. Besides, 4% acetic acid was found to be able to enhance the THG contrast of nucleus in oral mucosa, while such enhancement was found to decay due to the metabolic clearance of the contrast enhancer by the oral mucosa. Our clinical study indicated that, the combined epi-THG and epi-second-harmonic-generation (SHG) microscopy is a promising imaging tool for in vivo noninvasive optical virtual biopsy and disease diagnosis in human mucosa.
© 2011 OSA
OCIS Codes
(180.5810) Microscopy : Scanning microscopy
(180.6900) Microscopy : Three-dimensional microscopy
(190.4160) Nonlinear optics : Multiharmonic generation
ToC Category:
Microscopy
History
Original Manuscript: April 7, 2011
Revised Manuscript: July 16, 2011
Manuscript Accepted: July 20, 2011
Published: July 21, 2011
Citation
Ming-Rung Tsai, Szu-Yu Chen, Dar-Bin Shieh, Pei-Jen Lou, and Chi-Kuang Sun, "In vivo optical virtual biopsy of human oral mucosa with harmonic generation microscopy," Biomed. Opt. Express 2, 2317-2328 (2011)
http://www.opticsinfobase.org/boe/abstract.cfm?URI=boe-2-8-2317
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- N. Houssami, S. Ciatto, I. Ellis, and D. Ambrogetti, “Underestimation of malignancy of breast core-needle biopsy: concepts and precise overall and category-specific estimates,” Cancer 109(3), 487–495 (2007). [CrossRef] [PubMed]
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- J. Sato, M. Yanai, T. Hirao, and M. Denda, “Water content and thickness of the stratum corneum contribute to skin surface morphology,” Arch. Dermatol. Res. 292(8), 412–417 (2000). [CrossRef] [PubMed]
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