Ulceration of mature surgical scars following nonablative fractional photothermolysis associated with intralesional lidocaine injections
Fractional photothermolysis (FP) is an established modality of laser resurfacing. In non-ablative FP (NAFP), a near-infrared laser light, mainly absorbed by aqueous tissues, creates a pattern of epidermal and dermal microscopic thermal wounds, known as microthermal zones (MTZ).1 The tissue surroundi...
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