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Direct comparison between confocal and multiphoton microscopy for rapid histopathological evaluation of unfixed human breast tissue

Author(s)
Schmolze, Daniel B.; Vardeh, Hilde; Faulkner-Jones, Beverly E.; Connolly, James L.; Yoshitake, Tadayuki; Giacomelli, Michael; Cahill, Lucas Christopher; Fujimoto, James G; ... Show more Show less
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Abstract
Rapid histopathological examination of surgical specimen margins using fluorescence microscopy during breast conservation therapy has the potential to reduce the rate of positive margins on postoperative histopathology and the need for repeat surgeries. To assess the suitability of imaging modalities, we perform a direct comparison between confocal fluorescence microscopy and multiphoton microscopy for imaging unfixed tissue and compare to paraffin-embedded histology. An imaging protocol including dual channel detection of two contrast agents to implement virtual hematoxylin and eosin images is introduced that provides high quality imaging under both one and two photon excitation. Corresponding images of unfixed human breast tissue show that both confocal and multiphoton microscopy can reproduce the appearance of conventional histology without the need for physical sectioning. We further compare normal breast tissue and invasive cancer specimens imaged at multiple magnifications, and assess the effects of photobleaching for both modalities using the staining protocol. The results demonstrate that confocal fluorescence microscopy is a promising and cost-effective alternative to multiphoton microscopy for rapid histopathological evaluation of ex vivo breast tissue.
Date issued
2016-12
URI
http://hdl.handle.net/1721.1/109880
Department
Harvard University--MIT Division of Health Sciences and Technology; Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science; Massachusetts Institute of Technology. Research Laboratory of Electronics
Journal
Journal of Biomedical Optics
Publisher
SPIE
Citation
Yoshitake, Tadayuki et al. “Direct Comparison between Confocal and Multiphoton Microscopy for Rapid Histopathological Evaluation of Unfixed Human Breast Tissue.” Journal of Biomedical Optics 21.12 (2016): 126021. © 2016 SPIE
Version: Final published version
ISSN
1083-3668
1560-2281

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