Please login or create an account. If you do not have access to this content, you will be shown a 30 second preview and licensing options.

  • Presentation

Melasma Pearls: Differential Diagnosis and Treatment Approaches

Description

This presentation on melasma covers its differential diagnosis and treatment approaches, emphasizing the importance of distinguishing melasma from other skin conditions based on location and appearance. The speaker shares a classification system for identifying types of pigmentation, highlighting the need for accurate diagnosis before treatment. Key points include the chronic nature of melasma, the significance of photo protection, and the differentiation between active treatment and maintenance phases. Various treatment options are discussed, including tyrosinase inhibitors, sunscreen recommendations, the use of cysteamine, and combination therapies. The presentation stresses the need for tailored approaches based on patients' unique responses and treatment history, noting that the most effective management will change with seasons and individual conditions. The speaker concludes by emphasizing patient education regarding the chronic nature of melasma, the role of sun protection, and the importance of using products like tinted sunscreens and effective antioxidants. Finally, the role of lasers and combined topical treatments is mentioned as a means to enhance treatment efficacy.

View more

Conclusions

  • Melasma is characterized by specific pigmentation patterns on the face and can be confused with other conditions.
  • The pathogenesis of melasma involves multiple factors including genetics, hormones, sun exposure, and altered skin barriers.
  • Melasma is a chronic condition that is difficult to treat, and while curative treatments are not available, management focuses on stabilization.
  • Effective treatments for melasma include topical lighteners, sun protection, and careful management of patient expectations.
  • Inhibiting tyrosinase is crucial for treating melasma, with some ingredients showing better efficacy in human skin than others.
  • A combination of topical treatments and procedures, such as laser therapy, may offer a more effective approach to managing melasma.
  • The importance of sunscreens, especially tinted ones containing iron oxides, cannot be overstated in melasma management.
  • Maintaining treatment regimens throughout different seasons is vital due to increased sun exposure during the summer months.
  • Cysteamine has been noted as an effective agent for lightening pigmentation without cytotoxicity to melanocytes.
  • The use of involucrated medications like tranexamic acid shows promising results, especially when tailored to the patient's age and duration of the condition.
  • Artzi O, et al. J Cosmet Dermatol. 2021;20:2102-2107.
  • Guevara IL, Pandya AG. Int J Dermatol 2001;40:210.
  • Zhu CY, Li Y, Sun QN, Takada A, Kawada A. Analysis of the effect of different doses of oral tranexamic acid on melasma: a multicentre prospective study. Eur J Dermatol. 2019 Feb 1;29(1):55-58.
  • Chowdhary B, Mahajan VK, et al. Therapeutic efficacy and safety of oral tranexamic acid 250 mg once a day versus 500 mg twice a day: a comparative study. Arch Dermatol Res. 2021 Mar;313(2):109-117.
  • Karrabi M, Ali Mansournia M, et al. Clinical evaluation of efficacy and tolerability of cysteamine 5% cream in comparison with tranexamic acid mesotherapy in subjects with melasma; a single-blind, randomized clinical trial study. Arch Dermatol Res 2021 Sep;313(7):539-547.
  • Polnikorn N, et al. Dermatol Surg. 2020;46:1651-1656.
  • Geddes ER, et al. Lasers Surg Med. 2017;49:20-26.
  • Kang HY, et al. Ann Dermatol. 2010;22:373-378.