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.

Author: Vudonos Shakataxe
Country: Syria
Language: English (Spanish)
Genre: Education
Published (Last): 13 October 2014
Pages: 470
PDF File Size: 14.13 Mb
ePub File Size: 9.70 Mb
ISBN: 485-8-22375-615-5
Downloads: 70389
Price: Free* [*Free Regsitration Required]
Uploader: Doshakar

The most affected areas were the axillary, inguinal and inframammary regions. Case report and review of an unusual entity. 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.

Lichen planus pigmentosus inversus

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.

There is epidermic atrophy with irregular hydropic degeneration on the basal layer and an absence of epidermic hyperplasia usually present on lichen planus. SJR uses a similar algorithm as the Google page rank; it provides a quantitative and qualitative measure of the journal’s impact. September Pages Similarly to typical lichen planus, ppano is a compensatory proliferation of those keratinocytes, which do not develop in intertriginous areas.


We report a case with typical clinical features, histology and evolution. ABSTRACT Twenty-five year old male patient presenting with pigmehtoso brown spots, on cervical, axillary, inguinal and popliteal regions, for the last nine months. March 07, ; Accepted: The pathogenesis appears to be related to a T lymphocyte-mediated, cytotoxic activity against basal keratinocytes.

Complete blood counts, liver tests and pigmentso results were all within the normal range. Anatomopathological exams of the lesions were performed from distinct samples plani and left axillaand repeated on a three-month interval with identical characteristics: El LPP-inv es una rara variedad de liquen plano recientemente descrita del pigmenfoso solamente se han comunicado con anterioridad 10 casos.

You can change the settings or obtain more information by clicking here. From Monday to Friday from 9 a. 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.

Si continua navegando, consideramos que acepta su uso. 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.

Larger lesions tend to have a linear or angular conFiguretion, with the longitudinal axis following the cleavage lines. If you are a member of the AEDV: LPPI is a chronic inflammatory affection, occurring in the intertriginous areas of individuals with fair skin. This item has received.


He denied the appearance of other cutaneous lesions, pruritus, systemic symptoms, previous diseases or the use of illicit drugs or medications. Pathological examination showed hydropic degeneration of the basal layer, pigmentary incontinence and moderate inflammatory lymphocytic infiltrate in the dermis.

Liquen plano pigmentoso sobreimpuesto

These data are pigmrntoso accordance with the previously reported cases. Gaertner E, Elstein W. All articles are subjected to a rigorous process of revision in pairs, and careful editing for literary and scientific style.

Liquen plano pigmentoso inverso: It presents unique lichenoid histology. The main differential diagnoses are erythema dyschromicum perstans, post-inflammatory hyperpigmentation, Figurete erythema, fixed drug eruption and lichen planus pigmentosus.

Dermatology Online Journal

A case of lichen planus pigmentosus-inversus in a Korean patient. Axilla; Groin; Lichen planus; Lichenoid eruptions; Skinfold thickness. Wickham striae have also been reported.

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. Go to the members area of the website of the AEDV, https: To improve our services and products, we use “cookies” own or third parties authorized to show advertising pigmentoao to client preferences through the analyses of navigation customer behavior.