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Related Experiment Videos

Melasma-like (pigmented) actinic lichen planus.

A S al-Fouzan1, H M Hassab-el-Naby

  • 1Department of Dermatology, Al-Sabah Hospital, Kuwait.

International Journal of Dermatology
|June 1, 1992
PubMed
Summary

Pigmented actinic lichen planus presents as melasma-like facial lesions that worsen with sun exposure. Clinicians should consider this condition in patients with facial melanosis.

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Area of Science:

  • Dermatology
  • Dermatopathology

Background:

  • Facial melanosis can be caused by various conditions, including melasma.
  • Actinic lichen planus is a sun-induced skin condition.

Purpose of the Study:

  • To describe the clinical, histopathologic, and immunofluorescence features of pigmented actinic lichen planus.
  • To raise awareness of pigmented actinic lichen planus as a differential diagnosis for facial melanosis.

Main Methods:

  • Case study of four patients with pigmented actinic lichen planus.
  • Clinical examination of facial lesions.
  • Histopathologic and direct immunofluorescence studies of skin biopsies.

Main Results:

  • Patients presented with melasma-like facial lesions.
  • Lesions exacerbated during summer and spring.
  • Histopathology and immunofluorescence confirmed actinic lichen planus.

Conclusions:

  • Pigmented actinic lichen planus mimics melasma clinically.
  • Consider pigmented actinic lichen planus in patients with facial melanosis.
  • Early diagnosis and management are crucial.

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