Diagrama de flujo inmunohistoquímico para la diferenciación entre adenocarcinomas primarios y tumores metastásicos extraginecológicos más frecuente en el ovario / Immunohistochemical flow chart to differentiate between primary adenocarcinomas and the most frequent extragynecological metastases in the ovary
Rev. méd. Chile
;
130(11): 1232-1240, nov. 2002. ilus, tab
Artigo
em Espanhol
| LILACS
| ID: lil-340222
ABSTRACT
Background:
The pathological differential diagnosis between primary and metastatic ovarian malignant tumors is usually difficult, specially for tumors originating in the gastrointestinal system or breast.Aim:
To define an immunohistochemical flow chart to discriminate these tumor types. Material andmethods:
We performed a immunostaining analysis using a panel of six antibodies (CK 7, CA 125, CEA, CK20, BRST-2 and CA 15-3) in 3 tumor groups 11 ovarian, 14 breast and 12 colonic primary tumors and in a study group of 38 ovarian tumors whose primary origin was unknown.Results:
We defined an ovarian immunohistochemical pattern (CEA-/CK20-, 45 percent in ovarian tumors, 0 percent in breast or colonic tumors, p <0.001); an ovary/breast pattern (CEA+/CK20-, 0 percent in colonic tumors, p <0.001) a breast pattern (CEA+/CK20-/BKST-2+, 64 percent in breast tumors and 0 percent in colonic and ovarian tumors, p <0.001) and a colonic pattern (CEA+/ CK20+/CK7-, 67 percent in colonic tumors and 0 percent in breast and ovarian tumors, p <0.001).Conclusions:
Employing a simple panel of antibodies, characteristic immunohistochemical patterns were defined for ovarian, breast and colonic tumors. These patterns allowed the identification of the origin of most tumors of the study group
Texto completo:
DisponíveL
Índice:
LILACS (Américas)
Assunto principal:
Neoplasias Ovarianas
/
Imuno-Histoquímica
Tipo de estudo:
Estudo prognóstico
Limite:
Feminino
/
Humanos
Idioma:
Espanhol
Revista:
Rev. méd. Chile
Assunto da revista:
Medicina
Ano de publicação:
2002
Tipo de documento:
Artigo
País de afiliação:
Chile
Instituição/País de afiliação:
Pontificia Universidad Católica de Chile/CL
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