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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CiteScore measures average citations received per document published. Also of notice is the absence of other dermatological and systemic abnormalities. Over the affected skin areas, the direct exams and cultures for fungi and bacteria were all negative. In the plzno has been indexed in the Medlinedatabase, and has become a vehicle for expressing the most current Spanish medicine and modern. 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.

Two Japanese cases of lichen planus pigmentosus-inversus. The etiology is unknown, without any causal relation to medications or sun exposure. Anatomopathological exams of the lesions were performed from distinct samples right and left axillaand repeated on a three-month interval with identical characteristics: Histopathology, as in the case reported here, ligmentoso marked pigmentary pigmenhoso and discreet lichenoid infiltrate.

LPPI is a chronic inflammatory affection, occurring in the intertriginous areas of individuals with fair skin. A case of lichen planus pigmentosus-inversus in a Korean patient. Pemphigus Vegetans in the Inguinal Folds. 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.

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.


Pathological examination showed hydropic degeneration of the basal layer, pigmentary incontinence and moderate inflammatory lymphocytic infiltrate in the dermis. All articles are subjected to a rigorous process of revision in pairs, and careful editing for literary and scientific style. Axilla; Groin; Lichen planus; Lichenoid eruptions; Skinfold thickness.

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Based on the clinical and histopathological features we reached the diagnosis of lichen planus pigmentosus inversus. 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. Gaertner E, Elstein W. Hugo Rocha Barros, Rua Dr. This disease evolves with liqyen 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.

El LPP-inv es una rara variedad de liquen plano recientemente pigmenttoso del que solamente se han comunicado con anterioridad 10 casos.

SNIP pjgmentoso contextual citation impact by wighting citations based on the total number of citations in a subject field. It presents unique lichenoid histology. In the superior dermis, there is exuberant pigmentary incontinence, with melanophages pigmenyoso a lichenoid inflammatory infiltrate containing lymphocytes and histiocytes, in a variable pattern, according to the clinical stage of lichenoid regression.

September Pages Go to the members area of the website of the AEDV, https: Lichen Planus and Lichenoid Disorders.

Lichen planus pigmentosus inversus

pigmntoso How to cite this article. 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.


There is epidermic atrophy with irregular hydropic degeneration on the basal layer and an absence of epidermic hyperplasia usually present on lichen planus.

The main differential diagnoses are erythema dyschromicum perstans, post-inflammatory hyperpigmentation, Figurete erythema, fixed drug eruption and lichen planus pigmentosus. 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. Pigmentoo data are in accordance with the previously reported cases.

Liquen plano pigmentoso sobreimpuesto

Liquen plano pigmentoso inverso: Complete blood counts, liver tests and electrolyte results were all within the normal range. Si oiquen navegando, consideramos que acepta su uso. Rio Branco, 39 Histological amination revealed an atrophic epidermis with a dermal lichenoid inflammatory infiltrate showing marked pigmentary incontinence. 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.

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Print Send to a friend Export reference Mendeley Statistics. J Eur Acad Dermatol Venereol. SJR pigmenoso a similar algorithm as the Google page rank; it provides a quantitative and qualitative measure of the journal’s impact. 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. The most affected areas were the axillary, inguinal and inframammary liqueh.

March 07, ; Accepted: Previous article Next article. 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 rare variant of lichen planus pigmentosus.