1. Improved contrast in clinical imaging

    Improved contrast in clinical imaging
    Spectral-domain optical coherence tomography performed simultaneously in two distinct wavelength bands permits better diagnosis of tumors. Optical coherence tomography (OCT) is a standard tool for detailed two- and three-dimensional noninvasive analysis of retinal diseases in ophthalmology. It is also a promising research instrument, permitting early tumor diagnosis in skin and bladder tissue. OCT provides high-resolution images of biological tissue using the interference between incident and returning (reflected or backscattered) light1 to obtain structural information that can be used to distinguish between a skin tumor and healthy skin. A particularly important use is to distinguish benign and malignant tumors by means ...
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