Journal of cosmetic dermatology · 2019
A case of lichen aureus successfully treated with 595 nm wavelength pulsed-dye laser.
Клинический случайСтатьяНазвание и аннотация: Перевод в очереди
Обработка статьи · этапы, ошибки и управление
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Arreola Jauregui Ileana Elizabeth, López Zaldo Juan Basilio, Huerta Rivera Gabriel, Soria Orozco Manuel, Bonnafoux Alcaraz Mireille, Paniagua Santos Juan Enrique, Vázquez Huerta Minerva
Аннотация
BACKGROUND: Lichen aureus (LA) is a variant of pigmented purpuric dermatosis (PPDs) that typically presents with the acute onset of a solitary, unilateral, purple to rust-yellow colored lichenoid patch or plaque on lower extremities. Treatment remains challenging and is based on anecdotal case reports often with poor results.
AIMS: Describe a case of LA successfully treated with 595 nm wavelength pulsed-dye laser (PDL).
PATIENT/METHOD: A 46-year-old woman with segmental LA was treated using a 595 nm PDL at a uniform spot size of 10 mm, with pulse durations of 10 milliseconds and fluence of 6 J/cm2. The patient had received previous treatments with no improvement.
RESULTS: Clearance was archived after three sessions with PDL. Sessions were performed at intervals of 4 weeks, with no serious adverse events nor recurrence.
CONCLUSION: We hypothesize the favorable clinical outcome with PDL is due to the affinity of the wavelength for oxyhemoglobin (allowing uniform vessel penetration and energy delivery to fragile capillaries and intraluminal blood) and to its anti-inflammatory profile. PDL seems to be an alternative for patients with progressive LA that have failed other therapies.
AIMS: Describe a case of LA successfully treated with 595 nm wavelength pulsed-dye laser (PDL).
PATIENT/METHOD: A 46-year-old woman with segmental LA was treated using a 595 nm PDL at a uniform spot size of 10 mm, with pulse durations of 10 milliseconds and fluence of 6 J/cm2. The patient had received previous treatments with no improvement.
RESULTS: Clearance was archived after three sessions with PDL. Sessions were performed at intervals of 4 weeks, with no serious adverse events nor recurrence.
CONCLUSION: We hypothesize the favorable clinical outcome with PDL is due to the affinity of the wavelength for oxyhemoglobin (allowing uniform vessel penetration and energy delivery to fragile capillaries and intraluminal blood) and to its anti-inflammatory profile. PDL seems to be an alternative for patients with progressive LA that have failed other therapies.