Lichen Planus

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lichen planus

[‚līk·ən ′plan·əs]
(medicine)
A dermatologic disease of unknown etiology that also occurs in the mouth, on the tongue, or on the lips as smooth lacy networks of white lines or, less commonly, as white patches that may become ulcerative.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Lichen Planus

 

a skin disease characterized by the eruption of pointed flat nodules with a spirally twisted fluffy hair in the center; it is one of the keratoses. It appears in children aged 2 to 3, reaches a peak between ages 15 and 20, and subsides in adulthood; it occurs more often in girls and young women. The eruptions appear mostly on the extensor surfaces of the upper and lower limbs, the buttocks, and, sometimes, the scalp. Lichen planus is associated with dry skin and slight scaling of the skin, especially on the external surface of the upper and lower limbs. The disease is often a congenital anomaly; it may be a manifestation of hypovitaminosis A. Treatment is protracted and calls for large doses of vitamins A and E and warm baths followed by rubbing in ointments containing vitamin A and agents that dissolve the horny layer of the skin. Sea bathing combined with sunbaths and radon and hydrogen sulfide baths are beneficial.

REFERENCES

Popkhristov, P. Kozhnye bolezni v detskom vozraste. Sofia, 1963. (Translated from Bulgarian.)
Spravochnik po kosmetike. Edited by M. A. Rozentul. Moscow, 1964.
Mashkilleison, L. N. Lechenie i profilaktika kozhnykh boleznei. Moscow, 1964.

IU. K. SKRIPKIN and G. IA. SHARAPOVA

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
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Walsh, "Use of pioglitazone in patients with lichen planopilaris," Journal of Cutaneous Medicine and Surgery, vol.
(3.) Assouly P, Reygagne P: Lichen Planopilaris: update on diagnosis and treatment.
Kamino, "Possible role of the bulge region in the pathogenesis of inflammatory scarring alopecia: Lichen planopilaris as the prototype," Journal of Cutaneous Pathology, vol.
In our study, single case of lichen planopilaris enrolled showed vacuolar degeneration of basal layer, melanophages in upper dermis and perivascular infiltrate on histopathological examination.
In our study, we observed that classical LP was the most common, constituting 77% of total cases followed by LPP (12%) and lichen planopilaris (9%).
Graham-Little-Piccardi-Lasseur syndrome, cicatricial alopecia, lichen planopilaris.
The majority of black patients with CCCA are women with female: male ratio of about 3:1.34 The hypothesis of pathogenesis is that patients are predisposed to follicular damage because of an anatomic abnormality namely premature desquamation of the inner root sheath.345 All conditions that result in a progressive pattern of alopecia affecting the crown can mimic CCCA these include male and female pattern alopecia lichen planopilaris and even unusual cases of chronic cutaneous lupus erythematosus.
Results In our study, major causes of cicatricial alopecia were lichen planopilaris (27.5%), discoid lupus erythematosus (25%), pseudopelade of Brocq (20%), systemic lupus erythematosus (5%) followed by scleroderma, dermatomyositis, keratosis follicularis spinulosa decalvans, aplasia cutis, kerion, follicular mucinosis, pemphigus, dissecting cellulitis of scalp/ pyogenic folliculitis and acne keloidalis nuchae in 2.5% cases each.
Lichen planopilaris presenting as truncal alopecia: a case presentation and review of the literature.