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.

Macule

A flat, distinct, discolored area of skin less than 1 cm wide that does not involve any change in the thickness or texture of the skin.


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PMID (PMCID)
28210390
 OTHER
A Case of Lichen Planus Pigmentosus with Facial Dyspigmentation Responsive to Combination Therapy with Chemical Peels and Topical Retinoids.
Wolff M, Sabzevari N, Gropper C, Hoffman C.
J Clin Aesthet Dermatol. 2016;9(11):44-50.
Lichen planus pigmentosus is a photodistributed dyschromia of unknown etiology described clinically as hyperpigmented gray-blue or brown-black macules or patches in a photodistributed pattern.
24852778
 FEMALE Adult
[Superimposed lichen planus pigmentosus].
Monteagudo B, Suarez-Amor O, Cabanillas M, de Las Heras C, Alvarez JC.
Dermatol Online J. 2014;20(5):22639.
Lichen planus pigmentosus is an uncommon variant of lichen planus that is characterized by the insidious onset of dark brown macules in sun-exposed areas and flexural folds.
24346904
(3876001)
 MALE Adult
Lichen planus pigmentosus inversus.
Barros HR, Almeida JR, Mattos e Dinato SL, Sementilli A, Romiti N.
An Bras Dermatol. 2013;88(6 Suppl 1):146-9.
Lichen planus pigmentosus inversus is a rare subtype of lichen planus characterized by hyperchromic, asymptomatic or mildly pruritic macules, measuring from millimeters to centimeters in diameter, with defined borders, affecting intertriginous areas, most commonly in the axillae and groin of Caucasian patients.
21738364
 OTHER
A Case of Lichen Planus Pigmentosus-inversus in a Korean Patient.
Jung YJ, Lee YH, Lee SY, Lee WS.
Ann Dermatol. 2011;23(1):61-3.
The eruption of lichen planus pigmentosus-inversus occurs mainly in the flexural regions and presents with brownish macules and patches.
20711271
 OTHER
A case of linear lichen planus pigmentosus.
Seo JK, Lee HJ, Lee D, Choi JH, Sung HS.
Ann Dermatol. 2010;22(3):323-5.
Lichen planus pigmentosus (LPP) is chronic pigmentary disorder that shows diffuse or reticulated hyperpigmented, dark brown macules on the sun-exposed areas such as the face, neck and other flexural folds.
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.