Figure 4 | Scientific Reports

Figure 4

From: Three-dimensional optoacoustic imaging of nailfold capillaries in systemic sclerosis and its potential for disease differentiation using deep learning

Figure 4

Visual Comparison. (a) MIP image of an RSOM volume of a healthy nailfold compared to optical imaging with (b) capillaroscopy and (c) lower magnification dermoscopy; (d) Examples of RSOM images taken from a healthy control with straight, uniformly distributed capillaries and (e–g) patients with SSc showing (e) capillary drop out, (f) angiogenic, twisted capillaries and (g) increased capillary width. The MIP images are a combination of the images from the high and low frequency bands after equalization (green: high frequencies, smaller structures, red: low frequencies, larger structures, yellow: merging of both frequency bands). All scale bars, 1 mm.

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