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26 May 2016 Optical coherence tomography for embryonic imaging: a review
Raksha Raghunathan, Manmohan Singh, Mary E. Dickinson, Kirill V. Larin
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Journal of Biomedical Optics, Vol. 21, Issue 5, 050902 (May 2016). https://doi.org/10.1117/1.JBO.21.5.050902
Abstract
Embryogenesis is a highly complex and dynamic process, and its visualization is crucial for understanding basic physiological processes during development and for identifying and assessing possible defects, malformations, and diseases. While traditional imaging modalities, such as ultrasound biomicroscopy, micro-magnetic resonance imaging, and micro-computed tomography, have long been adapted for embryonic imaging, these techniques generally have limitations in their speed, spatial resolution, and contrast to capture processes such as cardiodynamics during embryogenesis. Optical coherence tomography (OCT) is a noninvasive imaging modality with micrometer-scale spatial resolution and imaging depth up to a few millimeters in tissue. OCT has bridged the gap between ultrahigh resolution imaging techniques with limited imaging depth like confocal microscopy and modalities, such as ultrasound sonography, which have deeper penetration but poorer spatial resolution. Moreover, the noninvasive nature of OCT has enabled live imaging of embryos without any external contrast agents. We review how OCT has been utilized to study developing embryos and also discuss advances in techniques used in conjunction with OCT to understand embryonic development.
© 2016 Society of Photo-Optical Instrumentation Engineers (SPIE)
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Raksha Raghunathan, Manmohan Singh, Mary E. Dickinson, and Kirill V. Larin "Optical coherence tomography for embryonic imaging: a review," Journal of Biomedical Optics 21(5), 050902 (26 May 2016). https://doi.org/10.1117/1.JBO.21.5.050902
Published: 26 May 2016
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KEYWORDS
Optical coherence tomography
Heart
Doppler tomography
Blood circulation
Imaging systems
Spatial resolution
3D image processing
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