PMC9530803_01
Clinical Images. (A) Epidemic prevention volunteer wearing personal protective equipment. (B,C) Greenish black discoloration of the middle and distal parts of the first and third toenails on the left foot; white scale (white arrow) on the distal part of the big toenail plate. (D,E) At the 2-month follow-up, the greenish discoloration had faded significantly.
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F1
Before the lesions appeared, he was an epidemic prevention volunteer who wore PPE (Figure 1A) for at least 10 h daily. Physical examination revealed greenish black discoloration from the middle to distal parts of the first and third toenails of the left foot (Figure 1B). A white scale was observed on the distal part of the big toenail plate on the left foot (Figure 1C). At the 2-month follow-up, discoloration of the nail was significantly reduced (Figures 1D,E).