Endodermal sinus tumor: immunophenotypic expression of a carcinoma
Journal of Korean Medical Science
;
: 93-100, 1994.
Artigo
em Inglês
| WPRIM
| ID: wpr-48307
ABSTRACT
A series of five endodermal sinus tumors was studied for their cytoskeletal and other phenotypic markers. They included 2 ovarian, 2 testicular, and 1 inguinal tumors. The cytoskeletal expression was also studied by gel electrophoresis and immunoblotting. Every tumor was diffusely and strongly immunostained for cytokeratin. By SDS-PAGE and immunoblotting, cytokeratins 8 & 18 were detected. Vimentin was focally coexpressed in 4 cases. The stroma was diffusely immunostained for vimentin. None of them expressed desmin, neurofilament, or glial filament protein. Desmoplakin was expressed only in one ovarian tumor. Alpha-fetoprotein and S-100 protein were also diffusely positive among the neoplastic cells; intracytoplasmic globules were especially strongly immunostained. These findings suggest that endodermal sinus tumors represent a group of pure malignant epithelial neoplasms, and may be regarded as primitive carcinomas.
Texto completo:
DisponíveL
Índice:
WPRIM (Pacífico Ocidental)
Assunto principal:
Imuno-Histoquímica
/
Alfa-Fetoproteínas
/
Proteínas S100
/
Imunofenotipagem
/
Tumor do Seio Endodérmico
/
Proteínas do Citoesqueleto
/
Desmoplaquinas
Limite:
Adulto
/
Criança, pré-escolar
/
Feminino
/
Humanos
/
Lactente
/
Masculino
Idioma:
Inglês
Revista:
Journal of Korean Medical Science
Ano de publicação:
1994
Tipo de documento:
Artigo
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