Atrophic lichen planus
Encyclopedia
Atrophic lichen planus is a rare variant of lichen planus
, and characterized by the presence of a few well-demarcated, white-bluish papule
s or plaques with central superficial atrophy.
Orally: The typical appearances of the atrophic (erosive) form of lichen planus are the keratotic white areas associated with erythema and shallow ulcerations. The lesions are usually less extensive and more prominent on the posterior buccal mucosa(Edward W. Odell).
Lichen planus
Lichen planus is a chronic mucocutaneous disease that affects the skin, tongue, and oral mucosa. The disease presents itself in the form of papules, lesions, or rashes. Lichen planus does not involve lichens, the fungus/algae symbionts that often grow on tree trunks; the name refers to the dry and...
, and characterized by the presence of a few well-demarcated, white-bluish papule
Papule
A papule is a circumscribed, solid elevation of skin with no visible fluid, varying in size from a pinhead to 1 cm.With regard to the quote "...varying in size from a pinhead to 1cm," depending on which text is referenced, some authors state the cutoff between a papule and a plaque as 0.5cm,...
s or plaques with central superficial atrophy.
Orally: The typical appearances of the atrophic (erosive) form of lichen planus are the keratotic white areas associated with erythema and shallow ulcerations. The lesions are usually less extensive and more prominent on the posterior buccal mucosa(Edward W. Odell).