19 February 2010 Fast coregistered breast imaging in vivo using a hand-held optical imager
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A hand-held optical imaging device has been developed in our laboratory towards fast 2D imaging and 3D tomography for breast cancer diagnosis. The device has the unique abilities: (1) to contour to different tissue curvatures using a flexible probe face; (2) perform fast 2D imaging by employing simultaneous over sequential source illumination; and (3) self coregistration towards (future) 3D tomography. The objective of the current work is to demonstrate fast coregistered 2D imaging on breast tissue of healthy female subjects. Fluorescence imaging experiments are performed in vitro and in vivo to demonstrate coregistered imaging as well as the ability to detect deep targets from multiple surface scans. A 0.45 cc spherical target filled with 1 μM indocyanine green is embedded at various depths of a cubical phantom filled with chicken breast (in vitro models). For in vivo studies, the fluorescent target is placed under the flap of the breast tissue to represent a tumor for fluorescence imaging. Multiple scans (fast continuous-wave images of fluorescence intensity) are collected and coregistered at different locations on the breast tissue. This study demonstrates the potential of the hand-held optical device towards future in vivo surface imaging and tomographic imaging for 3D tumor localization.
© (2010) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Sarah J Erickson, Sarah J Erickson, Sergio Martinez, Sergio Martinez, Joseph DeCerce, Joseph DeCerce, Adrian Romero, Adrian Romero, Lizeth Caldera, Lizeth Caldera, Anuradha Godavarty, Anuradha Godavarty, } "Fast coregistered breast imaging in vivo using a hand-held optical imager", Proc. SPIE 7555, Advanced Biomedical and Clinical Diagnostic Systems VIII, 75550P (19 February 2010); doi: 10.1117/12.842328; https://doi.org/10.1117/12.842328


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