Pautrier

Pau·tri·er

(pō-trē-ā'),
Lucien M.A., French dermatologist, 1876-1959. See: Pautrier abscess, Pautrier microabscess.
References in periodicals archive ?
2,12) Although most cases exhibit similar morphology to those originally described, variant features including a moderate proliferation index (30%-40%), focal epidermotropism, Pautrier collections, and granzyme B expression have been reported.
Renovation of the rotunda (removal of the existing roofing, stripping, repair, reinforcement and implementation of a new roof) including architectural lighting and acoustic treatment The scope of work concerns La Rotonde Pautrier, extensions And adjoining blankets.
In some areas, hyperplastic epithelium with Pautrier microabscesses can be observed.
However, Pautrier microabscesses are not as common in comparison to classic MF.
At the end of the 1st World War, professor of dermatology at Strasbourg, Lucien-Marie Pautrier, 1876-1959, ('Croix de Guerre" and" Chevalier de la Legion d'Honneur"), served two years and retired, occupying himself with art and music.
Histologicamente se observa una proliferacion de linfocitos pequenos con nucleo cerebriforme y diferentes grados de epidermotropismo y microabscesos de Pautrier en la epidermis.
Aproximadamente, 10% de los carcinomas de celulas de Merkel afectan la epidermis focalmente y pueden simular las caracteristicas histologicas de los microabscesos de Pautrier presentes en el linfoma de celulas T cutaneo [12].
La proliferacion de las celulas malignas alrededor de las celulas de Langerhans epidermicas, que conforma los microabscesos de Pautrier, sugiere que la generacion del tumor podria deberse a la presentacion antigenica constante de antigenos especificos aun no identificados (5,7).
La distribucion de la neoplasia encontrada es compatible con linfoma hepatoesplenico; en el cual se demostro la distribucion de celulas neoplasicas que reflejaron un tropismo vascular y la lesion cutanea en la frente pudo ser resultado primario o secundario del linfosarcoma; la patologia fue compatible con microabscesos de Pautrier.
En la epidermis hay hiperqueratosis, acantosis y microabcesos de Pautrier.
Although abnormal T cells can be detected in skin biopsies of patients with L-HES, they usually show a perivascular and dermal pattern of infiltration and do not show significant epidermotropism or other features of mycosis fungoides, such as Pautrier microabscesses or formation of patches, plaques, and tumors.
Collections of intraepidermal lymphocytes termed Pautrier microabscesses (originally described by Pautrier as Darier nests) are considered characteristic (Figure 1, A) but are seen only in a minority of lesions, usually patch and plaque stage.