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Annular lichen planus

Disease definition

A rare variant of cutaneous lichen planus characterized by the development of annular lesions.

ORPHA:254424

Classification level: Disorder
  • Synonym(s):
    • Annular LP
  • Prevalence: Unknown
  • Inheritance: -
  • Age of onset: All ages
  • ICD-10: L43.8
  • ICD-11: EA91.Y
  • OMIM: -
  • UMLS: C0406363
  • MeSH: -
  • GARD: 12674
  • MedDRA: -

Summary

Epidemiology

The exact prevalence is unknown.

Clinical description

Annular lesions occur in 10% of all cases of lichen planus, they usually occur in association with more classic lesions. Annular LP is characterized by the development of annular violaceous or hyperpigmented plaques, with no central atrophy and slightly raised, non-scaly borders. Genital and oral lesions have been reported, along with lesions affecting the axillae, trunk, and extremities.

Etiology

Etiology is unknown.

Expert reviewer(s):  Dr Stephanie ARNOLD - Dr Susan COOPER - Last update: May 2011

  A summary on this disease is available in Deutsch (2011) Español (2011) Français (2011) Italiano (2011) Nederlands (2011) Português (2011) Greek (2011, pdf)

Additional information

Further information on this disease

Patient-centred resources for this disease

Research activities on this disease

Specialised Social Services

The documents contained in this web site are presented for information purposes only. The material is in no way intended to replace professional medical care by a qualified specialist and should not be used as a basis for diagnosis or treatment.