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In vivo, high‐resolution, three‐dimensional imaging of port wine stain microvasculature in human skin

Port‐wine stain (PWS) is a congenital, progressive vascular malformation of the dermis. The use of optical coherence tomography (OCT) for the characterization of blood vessels in PWS skin has been demonstrated by several groups. In the past few years, advances in OCT technology have greatly increased imaging speed. Sophisticated numerical algorithms have improved the sensitivity of Doppler OCT dramatically. These improvements have enabled the noninvasive, high‐resolution, three‐dimensional functional imaging of PWS skin. Here, we demonstrate high‐resolution, three‐dimensional, microvasculature imaging of PWS and normal skin using Doppler OCT technique.