PMC8502108_01
Patient 1: A furuncle on the nasal tip. (A) Lesion before fire needle therapy. (B) Lesion 2 days after fire needle therapy. (C) Fire needle therapy. Patient 4: A skin abscess on the right medial canthus. (D) Lesion before fire needle therapy. (E) Lesion 10 days after fire needle therapy. (F) Lesion after one year of fire needle therapy; no recurrence within one year.
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Representative images are shown in Figure 1A, B, D-F.