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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He denied the appearance of other cutaneous lesions, pruritus, systemic symptoms, previous diseases or the use of illicit drugs or medications.

Dermatology Online Journal

March 07, ; Pigmentos 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.

Cases affecting Asian patients have been more frequently reported and until the present there were not any cases reported on the indexed national medical literature. Hugo Rocha Barros, Rua Dr. Pathological examination showed hydropic degeneration of the basal layer, pigmentary incontinence and moderate inflammatory lymphocytic infiltrate in the dermis.

Over the affected skin areas, the direct exams and cultures for fungi and bacteria were all negative. Placas anulares en grandes pliegues: ABSTRACT Twenty-five year old male patient presenting with asymptomatic brown spots, on cervical, axillary, inguinal and popliteal regions, for the last nine months. Print Send to a friend Export reference Mendeley Statistics. The main differential diagnoses are erythema dyschromicum perstans, post-inflammatory hyperpigmentation, Figurete erythema, fixed drug eruption and lichen planus pigmentosus.


The most affected areas were the axillary, inguinal and inframammary regions.

J Eur Acad Dermatol Venereol. CiteScore measures average citations received per document published. We report a case with typical clinical features, histology and evolution. Histopathology, as in the case reported here, revealed marked pigmentary incontinence and discreet lichenoid infiltrate.

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. This item has received. 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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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. Are you a health professional able to prescribe or dispense drugs? After four months, without any further treatment, the patient presented with a discreet improvement on the cervical and popliteal regions, whilst axillary lesions remained unaltered.

Lichen planus pigmentosus inversus

September Pages 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. Lichen planus pigmentosus-inversus occurring extensively in multiple intertriginous areas. Based on plabo clinical and histopathological features we reached the diagnosis of lichen planus pigmentosus inversus.


The latter, however, appears ;lano sun exposure, and in photoexposed areas, unlike LPPI, which predominates in intertriginous areas. SRJ is a prestige metric based on the idea that not all citations are the same.

Liquen plano pigmentoso sobreimpuesto

The pathogenesis appears to be related to a T lymphocyte-mediated, cytotoxic activity against basal keratinocytes. Lichen planus pigmentosus inversus LPPI is a pigmentary cutaneous manifestation located on skin-fold areas, and considered a pigmenhoso variant of lichen planus pigmentosus. 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.

We report 4 patients with relatively asymptomatic, annular brownish plaques arising in the skin pigmentosoo.

Rio Branco, 39 llano Usually, mucosae, scalp, and palmoplantar areas are not affected by the disease. Histological amination revealed an atrophic epidermis with a dermal lichenoid inflammatory infiltrate showing marked pigmentary incontinence. Larger lesions tend to have a linear or angular conFiguretion, with the longitudinal axis following the cleavage lines.