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Related Experiment Videos

Annular follicular lichen planus.

Fernando Valdés1, Pilar Gómez Centeno, Luis Rodriguez

  • 1Department of Dermatology, Complejo Hospitalario Universitario, Faculty of Medicine, Santiago de Compostela, Spain.

Cutis
|April 3, 2002
PubMed
Summary

This study reports the first case of annular follicular lichen planus (LP), a rare skin condition. It highlights a unique presentation combining follicular and annular features of LP.

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Area of Science:

  • Dermatology
  • Histopathology
  • Clinical Medicine

Background:

  • Lichen planus (LP) is an inflammatory condition that can manifest with various clinical presentations.
  • Annular lesions are a recognized, though less common, clinical feature of lichen planus.
  • Follicular involvement is a histopathologic characteristic observed in some LP variants.

Observation:

  • A case of lichen planus presented with distinct annular (ring-shaped) lesions on the skin.
  • Histopathologic examination revealed significant follicular (hair follicle-related) changes.
  • The clinical presentation of annular lesions and histopathologic follicular findings were observed concurrently.

Findings:

  • This case represents the first documented instance of annular follicular lichen planus.

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  • The study confirms the coexistence of clinical annular morphology and histopathologic follicular features in a single LP case.
  • This finding expands the spectrum of clinical and histopathologic variations within lichen planus.

    • Implications:

    • Recognizing annular follicular lichen planus is crucial for accurate diagnosis and appropriate patient management.
    • This case may prompt further research into the specific pathomechanisms underlying this rare LP variant.
    • Understanding diverse LP presentations improves diagnostic accuracy in dermatology.