期刊
JOURNAL OF BIOMEDICAL OPTICS
卷 21, 期 12, 页码 -出版社
SPIE-SOC PHOTO-OPTICAL INSTRUMENTATION ENGINEERS
DOI: 10.1117/1.JBO.21.12.126021
关键词
confocal fluorescence microscopy; multiphoton microscopy; breast cancer; optical pathology
资金
- National Institutes of Health [R01-CA178636-02, R01-CA075289-18, F32-CA183400-03]
- Air Force Office of Scientific Research AFOSR [FA9550-12-1-0551, FA9550-15-1-0473]
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. (C) 2016 Society of Photo-Optical Instrumentation Engineers (SPIE).
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