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Clinical photographs and laser Doppler imaging of Patient 6. (A) Day 1 of admission; Day 3 of admission; Week 4 of follow-up. Gradual improvement in cutaneous symptoms can be observed. (B) Left panel: on Day 2 of admission, areas of cutaneous ischemia were clearly delineated from those without vascular occlusion. Right panel: on Day 3 of admission, facial blood circulation was restored.
