Pityriasis lichenoides: clinical and immunogenetic studies
Medicina (Ribeiräo Preto)
;
33(1): 32-36, jan.-mar. 2000. tab, graf
Artigo
em Inglês
| LILACS
| ID: lil-331500
ABSTRACT
Type of study prevalence study. Objectives:
despite pityriasis lichenoides is an uncommon dermatosis, we observed 12 cases in the last 3 years. By this means, we review clinical and histopathologic findings of all patients with pityriasis lichenoides seen at our Division. Furthermore, since pathogenic features of the disease are unknown, we performed HLA class I and II typing to search for possible immunogenetic markers for pityriasis lichenoides.Methods:
twenty-one patients with biopsy-proven diagnosis of pityriasis lichenoides were evaluated. HLA class I and II antigens were typed using conventional serological procedures.Results:
children and young adults were predominantly affected. Most of the cases were seen in fall and winter time. Typical disseminated lesions were observed more frequently. Both acute overrepresented in patients (P < 0.005).Conclusions:
although pityriasis lichenoides remains a cutaneous disease of undetermined origin, our findings show that the disease is associated with the HLA-B17 antigen
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Índice:
LILACS (Américas)
Assunto principal:
Pitiríase Liquenoide
/
Antígenos HLA
Tipo de estudo:
Fatores de risco
Limite:
Adolescente
/
Gravidez
Idioma:
Inglês
Revista:
Medicina (Ribeiräo Preto)
Assunto da revista:
Medicina
Ano de publicação:
2000
Tipo de documento:
Artigo
País de afiliação:
Brasil
Instituição/País de afiliação:
USP/BR
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