1. Cellular resolution ex vivo imaging of gastrointestinal tissues with optical coherence microscopy

    Cellular resolution ex vivo imaging of gastrointestinal tissues with optical coherence microscopy

    Optical coherence microscopy (OCM) combines confocal microscopy and optical coherence tomography (OCT) to improve imaging depth and contrast, enabling cellular imaging in human tissues. We aim to investigate OCM for ex vivo imaging of upper and lower gastrointestinal tract tissues, to establish correlations between OCM imaging and histology, and to provide a baseline for future endoscopic studies. Co-registered OCM and OCT imaging were performed on fresh surgical specimens and endoscopic biopsy specimens, and images were correlated with histology. Imaging was performed at 1.06-µm wavelength with <2-µm transverse and <4-µm axial resolution for OCM, and at 14- ...

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