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 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. Rio Branco, 39 Lichen planus pigmentosus-inversus occurring extensively in multiple intertriginous areas. SRJ is a prestige metric based on the idea that not all citations are the same. Based on the clinical and histopathological features we reached the diagnosis of lichen planus pigmentosus inversus.

Hugo Rocha Barros, Rua Dr.

Lichen planus pigmentosus inversus

There were not other lesions either on skin, nails, scalp, or mucosae, nor signs of lymphadenomegaly. On examination, we observed lquen, smooth-surfaced macules, with well-delimited edges, measuring from millimeters to centimeters in diameter and often of an oval shape Figures 1 to 3.

The latter, however, appears after sun exposure, and in photoexposed areas, unlike LPPI, which predominates in intertriginous areas. September Pages J Eur Acad Dermatol Venereol. Lichen Planus and Lichenoid Disorders. He denied the appearance of other cutaneous lesions, pruritus, systemic symptoms, previous diseases or the liqueh of illicit drugs or medications. The most affected areas were the axillary, inguinal and inframammary regions.


Services on Demand Journal. Usually, mucosae, scalp, and palmoplantar areas are not affected by pigmentsoo disease. We report a case with typical clinical features, histology and evolution.

Two Japanese cases of lichen planus pigmentosus-inversus. 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. In the superior dermis, there is exuberant pigmentary incontinence, with melanophages and a lichenoid inflammatory infiltrate containing lymphocytes and histiocytes, in a variable pattern, according to the clinical stage of lichenoid regression.

It presents unique lichenoid histology. You can change the settings or obtain more information by clicking here. Lichen planus pigmentosus inversus LPPI is a pigmentary cutaneous manifestation located on skin-fold areas, and considered a rare variant of lichen planus pigmentosus.

March 07, ; Accepted: CASE REPORT A twenty-five year old male patient, brown-skinned, informed that for the past 9 months he had noticed the appearance of asymptomatic brown spots, on the cervical region, axillary, inguinal and popliteal folds.

Hepatitis C serology was negative. These data are in accordance with the previously reported cases. Histological amination revealed an atrophic epidermis with a dermal lichenoid inflammatory infiltrate showing marked pigmentary incontinence.

Wickham striae have also been reported. ABSTRACT Twenty-five year old male patient presenting with asymptomatic brown spots, on cervical, axillary, inguinal and popliteal lliquen, for the last nine months. Previous article Next article.

To improve our services and products, we use “cookies” own or third parties authorized to show advertising related to client preferences through the analyses of navigation customer behavior. The most difficult differential diagnosis is with ashy dermatosis, this, plnao, 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.


Pemphigus Vegetans in the Inguinal 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.

The lesions had remained stable for months despite many topical treatments.

Liquen plano pigmentoso sobreimpuesto

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. Go to the members area of the website of the AEDV, https: Si continua navegando, consideramos que acepta su uso. All articles are subjected to a rigorous process of revision in pairs, and careful editing for literary and scientific style.

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.

CiteScore pigmentsoo average citations received per document published.