1. Three-Dimensional Images and Vessel Rendering Using Optical Coherence Tomography

    Optical coherence tomography (OCT) is an emerging technology in dermatology. Translating the principles of ultrasound to use with light waves, OCT captures in vivo images allowing for 3-dimensional reconstruction and Doppler flow measurements. Compared with confocal microscopy, standard OCT has a greater depth of penetration but lower resolution. This places the technology between traditional ultrasound and confocal microscopy in the trade-off between depth penetration and surface resolution (Figure 1). Optical coherence tomography creates an image by splitting an infrared laser into a reference arm and a sample arm (Figure 2). The sample arm scans a designated region of skin, and ...
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