PMC9758985_01
Patient 1: (A) lesion after debridement. (B) lesion after 20 days of fire needle treatment.
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The treatment plan was as follows: incision and drainage of skin carbuncle (Figure 1A). After 20 days of treatment follow-up, the swelling of the neck subsided, no secretions, and the patient felt less pain (Figure 1B).
PMC9758985_02
Patient 2: (A) lesion before fire needle treatment. (B) lesion after 21 days of fire needle treatment.
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Dermatological examination: the lesion measured about 9.0 cm x 5.0 cm and extended superiorly to the whole nape (Figure 2A). The wound had completely healed after 3 weeks and without any scar (Figure 2B).
PMC9758985_03
Patient 3: (A) lesion on admission. (B) lesion after surgical debridement and drainage.
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Examination showed an obvious large abscess, beyond the margin, and suppurative secretions can be seen inside (Figure 3A). After complete hemostasis, a negative pressure suction device was placed and the wound was bandaged (Figure 3B).
PMC9758985_04
Patient 4: (A) lesion before fire needle treatment. (B) lesion after 14 days of fire needle treatment.
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Dermatological examination: the size of the lump was about 5.0 cm x 7.0 cm (Figure 4A), with a pus in the center and it has erythema and swelling around it. The wound healed completely after 2 weeks without any scar left (Figure 4B).