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7.
Arch Dermatol ; 137(4): 427-30, 2001 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-11295921

RESUMO

OBJECTIVE: To assess the presence of foreign material in the granulomatous cutaneous lesions of patients with systemic sarcoidosis. DESIGN AND SETTING: Observational study reevaluating histological specimens at a university referral hospital. PATIENTS: Sixty-five patients diagnosed as having sarcoidosis who developed granulomatous cutaneous involvement. MAIN OUTCOME MEASURES: To detect the presence of polarizable foreign particles in cutaneous biopsy specimens and to evaluate the association with clinical features of the patients. RESULTS: Granulomatous cutaneous involvement was demonstrated in 65 (15.3%) of 425 patients with systemic sarcoidosis. In 14 (22%) of the 65 patients, the cutaneous biopsy specimen showed foreign particles in polarized light. The skin lesions corresponded to 3 different clinical patterns: an admixture of papules and infiltration of previously undetected minute scars (n = 6); scar sarcoidosis (n = 4); and subcutaneous nodules (n = 4). The lesions were located most frequently in the extremities, involving the knees in 10 patients. CONCLUSIONS: The presence of polarizable foreign body material in granulomatous cutaneous lesions is not infrequent in patients with systemic sarcoidosis. Inoculation of foreign matter from a previous inapparent minor trauma may induce granuloma formation in individuals with sarcoidosis.


Assuntos
Granuloma de Corpo Estranho/patologia , Sarcoidose/patologia , Dermatopatias/patologia , Pele/patologia , Adulto , Idoso , Biópsia , Cicatriz/patologia , Diagnóstico Diferencial , Feminino , Granuloma de Corpo Estranho/diagnóstico , Humanos , Masculino , Pessoa de Meia-Idade , Sarcoidose/diagnóstico
8.
Med Clin (Barc) ; 113(12): 447-8, 1999 Oct 16.
Artigo em Espanhol | MEDLINE | ID: mdl-10570511

RESUMO

BACKGROUND: A significant proportion of multiple sclerosis patients develop cutaneous reactions by interferon beta 1b (IFN-beta). The am of this study was to describe clinically and histologically the cutaneous reactions by IFN-beta. PATIENTS AND METHODS: A series of 92 patients with multiple sclerosis in treatment with IFN-beta was followed. Cutaneous biopsy was performed in cases with persistent lesions. RESULTS: 9 out of 92 patients presented eritematous plaques, 4 cutaneous ulcers and 1 sclerodermiform plaques. Vascular thrombosis was demonstrated in 2 cases. CONCLUSIONS: In patients with multiple sclerosis treated with IFN-beta the persistent skin lesions are more frequent in female patients. Generally is not necessary to stop the treatment.


Assuntos
Interferon beta/efeitos adversos , Esclerose Múltipla/tratamento farmacológico , Dermatopatias/induzido quimicamente , Úlcera/induzido quimicamente , Adulto , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Fatores Sexuais
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