Encontrados 11 documentos, a visualizar página 1 de 2
Imported African histoplasmosis by Histoplasma capsulatum var. duboisii in an H...
Toscano, C.; Batista, J.; Carvalho, R.; Espírito-Santo, C.E.; Marcos, R.; Sabino, R.; Verissimo, C.; Viana, I.; Marques, T.Objectives: African histoplasmosis caused by the fungus Histoplasma capsulatum var. duboisii, is a rare endemic mycosis occuring in western and central regions of sub-Saharian Africa. For unknown reasons, although HIV infection and H. capsulatum var. duboisii coexist in Africa, this coinfection remains rare. In Europe, diagnosed cases of African histoplasmosis are all imported. We describe a case of African his...
Dermatose Neutrofílica do Dorso das Mãos - a Propósito de Dois Casos Clínicos
Coelho Macias, V; Labareda, J; Themido, R; Viana, IO conceito de dermatoses neutrofílicas engloba diversas entidades que partilham aspetos clínicos e histológicos. Recentemente descrita, a dermatose neutrofílica do dorso das mãos é uma patologia com etiologia desconhecida que se assemelha, clinicamente, a uma variante localizada da Síndrome de Sweet com lesões predominantemente localizadas no dorso das mãos e com presença variável de sintomas gerais acompanhant...
Variantes raras do melanoma maligno: um desafio clínico e histopatológico
Parente, J; Gomes, J; Viana, I; Vale, EIntroduction: Malignant melanoma may present a great variety of histopathological patterns. Besides the classic forms of melanoma, there are a number of variants that have been described, such as polypoid, verrucous, desmoplastic, myxoid, chondroid, balloon-cell, rhabdoid, animal-type, amelanotic, spitzoid, nevoid. The aim of this study was to characterize the rare histopathologic variants of malignant melanoma...
Variantes raras do melanoma maligno: um desafio clínico e histopatológico
Parente, J; Gomes, J; Viana, I; Vale, EIntroduction: Malignant melanoma may present a great variety of histopathological patterns. Besides the classic forms of melanoma, there are a number of variants that have been described, such as polypoid, verrucous, desmoplastic, myxoid, chondroid, balloon-cell, rhabdoid, animal-type, amelanotic, spitzoid, nevoid. The aim of this study was to characterize the rare histopathologic variants of malignant melanoma...
Borderline CD30+ Cutaneous Lymphoproliferative Disorder: Report of a Case with ...
Ponte, P; Serrão, V; Viana, I; Vale, E; João, A; Cerroni, LCD30+ cutaneous lymphoproliferative disorders (CLPDs) are usually characterized by a benign clinical course. The prognostic value of cytotoxic markers in these lymphomas has not been evaluated in large series. We describe a case of borderline CD30+ CLPD with cytotoxic phenotype, presenting in a 22-year-old male patient as an ulcer on the forearm. He reported having had similar ulcers on the buttock and thigh th...
Galli-galli disease: a rare acantholytic variant of dowling-degos disease
Gomes, J; Labareda, J; Viana, IGalli-Galli disease is a rare acantholytic variant of Dowling-Degos disease, with few cases reported in the literature. We describe a case of Galli-Galli disease and review the literature.
Melanoma maligno associado a nevo melanocítico
Gomes, J; Parente, J; Ferreira, L; Viana, I; Vale, EObjectives: To determine clinical and histopathological differences between melanoma associated with nevus (MAN) and de novo melanoma (MN). Methods: Retrospective study of all cases of cutaneous melanoma diagnosed between 2001 and 2009 in Centro de Dermatologia Médico-Cirúrgica de Lisboa. Results: Of the 397 melanomas included, 52.6% were of feminine sex and 47.4% of the masculine. Of these melanomas only 9.3% ...
Melanoma maligno associado a nevo melanocítico
Gomes, J; Parente, J; Ferreira, L; Viana, I; Vale, EObjectives: To determine clinical and histopathological differences between melanoma associated with nevus (MAN) and de novo melanoma (MN). Methods: Retrospective study of all cases of cutaneous melanoma diagnosed between 2001 and 2009 in Centro de Dermatologia Médico-Cirúrgica de Lisboa. Results: Of the 397 melanomas included, 52.6% were of feminine sex and 47.4% of the masculine. Of these melanomas only 9.3% ...
Galli-galli disease: a rare acantholytic variant of dowling-degos disease
Gomes, J; Labareda, J; Viana, IGalli-Galli disease is a rare acantholytic variant of Dowling-Degos disease, with few cases reported in the literature. We describe a case of Galli-Galli disease and review the literature.
Cytokines as determinants of resistance and pathology in human Schistosoma mans...
Corrêa-Oliveira,R.; Malaquias,L.C.C.; Falcão,P.L.; Viana,I.R.C.; Bahia-Oliveira,L.M.G.; Silveira,A.M.S.; Fraga,L.A.O.; Prata,A.; Coffman,R.L.The role of different cytokines in the peripheral blood mononuclear cell (PBMC) proliferative response and in in vitro granuloma formation was evaluated in a cross-sectional study with patients with the different clinical forms and phases of Schistosoma mansoni infection, as well as a group of individuals "naturally" resistant to infection named normal endemic (NE). The blockage of IL-4 and IL-5 using anti-IL-4...
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