Request PDF on ResearchGate | Liquen plano pigmentoso sobreimpuesto. | Lichen planus pigmentosus is an uncommon variant of lichen planus that is. RESU MO. O líquen plano pigmentoso é uma variante incomum de líquen plano e representa um desafio tera- pêutico. Foi realizada a dermoabrasão com boa. Peralta R, Pazos M, Sabban EC, Schroh R, Cabo H. Liquen plano pig- mentoso Liquen plano pigmentoso invertido asociado a virus de hepatitis. C. Arch.

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The lesions had remained stable for months despite many topical treatments. Lichen planus pigmentosus-inversus occurring extensively in multiple intertriginous areas. 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.

How to cite this article. He denied the appearance of other cutaneous lesions, pruritus, systemic symptoms, previous diseases or the use of illicit drugs pigmenttoso medications. Pemphigus Vegetans in the Inguinal Folds.

Dermatology Online Journal

Go to the members area of the website of the AEDV, https: CiteScore measures average citations received per document published. Also of notice is the absence of other dermatological and systemic abnormalities. Histopathology, as in the case reported here, revealed marked pigmentary incontinence and discreet lichenoid infiltrate.

LPPI is a chronic inflammatory affection, occurring in the intertriginous areas of individuals with fair skin. Placas anulares en grandes pliegues: Histological amination revealed an atrophic epidermis with a dermal lichenoid inflammatory infiltrate showing marked pigmentary incontinence.


Liquen plano pigmentoso sobreimpuesto

Are you a health professional able to prescribe or dispense drugs? Twenty-five year old male patient presenting with asymptomatic brown spots, on cervical, axillary, inguinal and popliteal regions, for the last nine months. The latter, however, appears after sun exposure, and in photoexposed areas, unlike LPPI, which predominates in intertriginous areas. The most difficult differential diagnosis is with ashy dermatosis, this, however, affects brown skinned patients, with a tropism for the torso and limbs and not for intertriginous areas and with erythematous borders on the edges of active lesions.

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License, which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

These clinical and pathological features were consistent with lichen planus pigmentosus-inversus, a rare, recently described variant of lichen planus, with only 10 cases reported to date. A case of lichen planus pigmentosus-inversus in a Korean patient. September Pages Cases affecting Asian patients planl been more frequently reported and until the present there were not any cases reported on the indexed national medical literature.

Si continua navegando, consideramos que acepta su uso. Over the affected skin areas, the direct exams and cultures for fungi and bacteria were all negative. The main differential diagnoses are erythema dyschromicum perstans, post-inflammatory hyperpigmentation, Figurete erythema, fixed drug eruption and lichen planus pigmentosus. The patient described here is a young adult male 25 years-oldof brown skin, with extensive non-pruriginous clinical features, affecting several areas axillary, cervical, inguinal and popliteal.


We report a case with typical clinical features, histology and evolution. Two Japanese cases of lichen planus pigmentosus-inversus. It has been suggested that the intensity and speed of onset of the inflammatory response could be modulated by keratinocyte surface markers, which could also determine the typical morphology liauen the lesions of this disease.

Similarly to typical lichen planus, there is a compensatory proliferation of those keratinocytes, which do not develop in intertriginous areas. All articles are subjected to a rigorous process of revision in pairs, and careful editing for literary and scientific style. Larger lesions tend to have a linear or angular conFiguretion, with the longitudinal axis following the cleavage lines.

This disease evolves with a variable clinical course; in general there is a rapid appearance of hyper-chromic macules, those being the most frequently found lesions and not the traditional papules 3 – 9 Some cases will resolve in some weeks without therapy, while others may persist for years.

ABSTRACT Twenty-five year old male patient presenting with asymptomatic brown spots, on cervical, axillary, inguinal and popliteal regions, for the last nine months. Previous article Next article. This item has received.