Objectives: 1. To review skin hyperpigmentation disorders and their individual patient characteristics.
2. To analyze tissue-level implications of laser–skin interactions.
3. To explore the versatility of the novel Q-Switched Hollywood Spectra (HWS) laser, including wavelength modulation, pulse duration adjustment, focal depth targeting, and beam fractionation.
4. To demonstrate the benefits of combining different mechanisms of action to optimize treatment outcomes.
Introduction: Skin hyperpigmentation disorders are highly prevalent; however, their underlying pathophysiology is complex, and patient satisfaction with available treatments remains limited. Among available modalities, Q-switched lasers remain the most widely utilized and cost-effective approach for managing these conditions. The novel HWS Q-switched laser introduces enhanced capabilities by allowing modulation of multiple parameters—enabling greater treatment specificity, improved target selectivity, and reduced collateral tissue damage.
Materials / method: This presentation is based on the author clinical experience with the HWS in the treatment of skin hyperpigmentation disorders in a heterogeneous Israeli population encompassing a range of skin types and ethnicities. It is further supported by a review of key literature addressing the use of Q-switched lasers for hyperpigmentation management.
Results: Patient evaluation - anamnesis, examination, and dermoscopic assessment are critical for diagnosis of hyperpigmentation disorders. The HWS laser offers advanced functionalities: adjustable wavelengths to match pigment depth and absorption characteristics, beam fractionation to enhance safety and allow treatment of larger surface areas, and variable pulse durations to modify laser-tissue interactions and mode of action. These features facilitate individualized treatments by targeting different tissue depths while minimizing collateral damage, thus improving safety and efficacy.
Conclusion: Precise diagnosis of skin hyperpigmentation disorders, a comprehensive understanding of laser-tissue interaction dynamics, and strategic application of the Hollywood Spectra’s novel technologies enable the development of safe, tailored treatment protocols and contribute to reducing the risk of adverse events.
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Este trabalho foi realizado com o patrocínio de: CYNOSURE-LUTRONIC KOL
