Lichen planus pigmentosus

Lichen planus (LP) pigmentosus is a rare variant of cutaneous lichen planus (see this term) characterized by the presence of hyperpigmented lichenoid lesions in sun-exposed or flexural areas of the body.

Papule

A circumscribed, solid elevation of skin with no visible fluid, varying in size from a pinhead to less than 10mm in diameter at the widest point.


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PMID (PMCID)
30566548
 FEMALE Adult
Frontal fibrosing alopecia: cutaneous associations in women with skin of color.
Krueger L, Svigos K, Brinster N, Elbuluk N.
Cutis. 2018;102(5):335-338.
In addition to reviewing the literature on FFA's associations, this article includes a case series of 5 women with skin of color (Hispanic and black) who presented with various cutaneous findings in association with FFA, including lichen planus pigmentosus (LPP), facial papules, and eyebrow loss.
9114619
 MALE Middle Aged
Lichen planus pigmentosus presenting in zosteriform pattern.
Cho S, Whang KK.
J Dermatol. 1997;24(3):193-7.
Lichen planus pigmentosus (LPP) has thus far been described as a condition of unknown etiology which clinically differs from the classical lichen planus (LP) by exhibiting dark brown macules and/or papules mostly in exposed areas and flexural folds and a longer clinical course without pruritus or scalp, nail or mucosal involvement.