case_images: PMC9530803_01
case_images: 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.
case_images: fpubh-10-1009517-g0001.jpg
case_images: PMC9530803_01_fpubh-10-1009517-g0001.jpg
case_images: F1
case_images: 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).