Metabolism-enhanced tumor localization by fluorescence imaging: in vivo animal studies
Optics Letters, Vol. 28, Issue 21, pp. 2070-2072 (2003)
http://dx.doi.org/10.1364/OL.28.002070
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Abstract
We present a high-sensitivity near-infrared optical imaging system for noninvasive cancer detection and localization based on molecularly labeled fluorescent contrast agents. This frequency-domain system utilizes the interferencelike pattern of diffuse photon density waves to achieve high detection sensitivity and localization accuracy for the fluorescent heterogeneity embedded inside the scattering media. A two-dimensional localization map is obtained through reflectance probe geometry and goniometric reconstruction. In vivo measurements with a tumor-bearing mouse model by use of the novel Cypate-mono-2-deoxy-glucose fluorescent contrast agent, which targets the enhanced tumor glycolysis, demonstrate the feasibility of detection of a 2-cm-deep subsurface tumor in the tissuelike medium, with a localization accuracy within 2–3 mm.
© 2003 Optical Society of America
OCIS Codes
(110.5100) Imaging systems : Phased-array imaging systems
(170.3880) Medical optics and biotechnology : Medical and biological imaging
(170.3890) Medical optics and biotechnology : Medical optics instrumentation
(170.5270) Medical optics and biotechnology : Photon density waves
(300.2530) Spectroscopy : Fluorescence, laser-induced
Citation
Y. Chen, G. Zheng, Z. H. Zhang, D. Blessington, M. Zhang, H. Li, Q. Liu, L. Zhou, X. Intes, S. Achilefu, and B. Chance, "Metabolism-enhanced tumor localization by fluorescence imaging: in vivo animal studies," Opt. Lett. 28, 2070-2072 (2003)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-28-21-2070
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