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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Usually, mucosae, scalp, and palmoplantar areas are not affected by the disease. Wickham striae have liqueen been reported. Case report and review of an unusual entity. SNIP measures contextual citation impact by wighting citations based on the total number of citations in a subject field. The lesions had remained stable for months despite many topical treatments. Hepatitis C serology was negative.

Dermatology Online Journal

Are you a health professional able to prescribe or dispense drugs? Annular plaques in the skin folds: 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 of the lesions of this disease. Services on Demand Journal. Gaertner E, Elstein W. If you are a member of the AEDV: Histopathology, as in the case reported here, revealed marked pigmentary incontinence and discreet lichenoid infiltrate.


There is epidermic atrophy with irregular hydropic degeneration on the basal layer and an absence of epidermic hyperplasia usually present on lichen planus. Histological amination revealed an atrophic epidermis with a dermal lichenoid inflammatory infiltrate showing marked pigmentary incontinence.

Similarly to typical lichen planus, there is a compensatory proliferation of those keratinocytes, which do not develop in intertriginous areas. September Pages The etiology is unknown, without any causal relation to medications or sun exposure. SRJ is a prestige metric based on the idea that plank all citations are the same.

We report a case with typical clinical features, histology and evolution.

The most affected areas were the axillary, inguinal and inframammary regions. Hugo Rocha Barros, Rua Dr.

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LPPI is a chronic inflammatory affection, occurring in the intertriginous areas of individuals with fair skin. Kiquen report 4 patients with relatively asymptomatic, annular brownish plaques arising in the skin creases.

Two Japanese cases of lichen planus pigmentosus-inversus. Lichen planus pigmentosus-inversus occurring extensively in multiple intertriginous areas.

He denied the appearance of other cutaneous lesions, pruritus, systemic symptoms, previous diseases or the use of illicit drugs or medications. Placas anulares en grandes pliegues: The term lichen planus pigmentosus inversus LPPI was proposed by Pock et al inafter the report of 7 cases of lichen planus pigmentosus located predominantly on intertriginous areas.

March 07, ; Accepted: These data are in accordance with the previously reported cases. There were not other lesions either on skin, nails, scalp, or mucosae, nor signs of lymphadenomegaly. On examination, we observed hyperchromic, smooth-surfaced macules, with well-delimited edges, measuring from millimeters to centimeters in diameter and often of an oval shape Figures 1 to 3.


Liquen plano pigmentoso sobreimpuesto

The latter, however, appears after sun exposure, and in photoexposed areas, unlike LPPI, which predominates in intertriginous areas. ABSTRACT Twenty-five year old male patient presenting with asymptomatic brown spots, on cervical, axillary, inguinal and popliteal regions, for the last nine months.

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.

A twenty-five year old male patient, brown-skinned, informed that for liquuen past 9 months he had noticed the appearance of asymptomatic brown spots, pugmentoso the cervical region, axillary, inguinal and popliteal folds. SJR uses a similar algorithm as the Google page rank; it provides plaano quantitative and qualitative measure of the journal’s impact. El LPP-inv es una rara variedad de liquen plano recientemente descrita del que solamente se han comunicado con anterioridad 10 casos.

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