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Actinic lichen planus simulating melasma

F Aloi1, C Solaroli, E Giovannini

  • 1Department of Dermatology, University of Turin, Italy.

Dermatology (Basel, Switzerland)
|January 1, 1997
PubMed
Summary
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Actinic lichen planus can mimic melasma, presenting as facial hyperpigmentation. Histologic and immunofluorescence studies confirmed lichen planus in a patient whose condition worsened with sun exposure.

Area of Science:

  • Dermatology
  • Histopathology
  • Immunofluorescence

Background:

  • Melasma is a common cause of facial hyperpigmentation, particularly in women.
  • Actinic lichen planus is a rare variant of lichen planus.
  • This condition often affects individuals of East Asian descent.

Observation:

  • A 23-year-old Italian woman presented with asymptomatic, symmetrical facial hyperpigmentation.
  • The hyperpigmentation worsened during summer months.
  • The clinical presentation closely resembled melasma.

Findings:

  • Histologic examination revealed features consistent with lichen planus.
  • Direct immunofluorescence studies supported the diagnosis of lichen planus.
  • The case highlights a rare presentation of actinic lichen planus in a non-oriental individual.

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Implications:

  • This case underscores the importance of considering actinic lichen planus in the differential diagnosis of facial melanoses.
  • Accurate diagnosis is crucial for appropriate management and to differentiate from other pigmentary disorders.
  • Further investigation into the varied presentations of actinic lichen planus is warranted.