PMC9452826_01
Clinical image of Case 1. (A) Nail plate of a patient with trauma-related GNS at initial visit. (B) Subsided lesions at 3 months following topical antibiotic treatment.
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F1
Physical examination revealed green discoloration of the middle to distal parts of the left thumbnail, accompanied by a slight distal onycholysis (Figure 1A). At 3-month follow-up, the nail discoloration had resolved completely (Figure 1B).
PMC9452826_02
Clinical image of Case 2. (A-D) Nail plate of a patient with occupation-related GNS at initial visit. (E,F) Subsided lesions at 6 months following chemical nail avulsion combined with topical antibiotic treatment. (B,C) Are partial magnifications of (A). (D) Is profile image of (C). (F,G) Are partial magnifications of (E).
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F2
Dermatologic examination showed dark-greenish pigmentation and onycholysis on the right third fingernail (Figures 2A,C,D), green discoloration adjacent to the lateral nail fold on the right thumbnail, and corresponding periungual skin red swelling (Figures 2A,B). The nail plates were cured after 6 months of follow-up (Figures 2E-G).
PMC9452826_03
Clinical image of Case 3. (A) Nail plate of a patient with onychosis-related GNS at initial visit. (B) Improved lesions at 2 months following chemical nail avulsion combined with topical antibiotic treatment.
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F3
Clinical examination of the patient's thumbnails revealed thickened nail plates with green discoloration from the distal edge to the middle nail plates, as well as onycholysis at the site of the discolored area (Figure 3A). The nail plates had completely healed at 5-month telephone follow-up (Figure 3B).