Oral cavity & oropharynx

Inflammatory / immune mediated (noninfectious)

Lichen planus

Last author update: 1 March 2013
Last staff update: 12 October 2020

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PubMed Search: Lichen planus[TI] oral cavity[TIAB]

Charu Thakral, M.D.
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Cite this page: Thakral C. Lichen planus. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/oralcavitylichenplanus.html. Accessed May 18th, 2022.
Definition / general
  • Subacute to chronic mucocutaneous disorder of unknown etiology
  • Involves skin, nails and mucosal surfaces (oral mucosa, pharynx, perineum)
  • Mucosal disease primarily affects women ages 40 - 60 years
  • Reticulate, lace-like and white keratotic lesions; rarely bullous or ulcerated
  • Topical steroids or cyclosporine
Clinical images

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14 year old boy

9 year old boy

Components in buccal mucosa

Buccal mucosa and palate

Microscopic (histologic) description
Microscopic (histologic) images

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Basal cell degeneration and dense lymphocytic infiltration

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