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VITAE Academia Biomédica Digital
Centro de Análisis de Imágenes Biomédicas Computarizadas-CAIBC0
ISSN: 1317-987x
No. 28, 2005
Bioline Code: va06024
Full paper language: Spanish
Document type: Research Article
Document available free of charge

VITAE Academia Biomédica Digital, No. 28, 2005

 en Epithelioid sarcoma. Histologic and immunohistochemical study of seven cases, one of them recurrent
Tamayo, Jorge García; Salvatierra, María; Hamana, Leticia; Rincón, Anne; Hernández, Cathy & Morales, Ana

Abstract

The histology and immunohistochemistry of seven cases of epithelioid sarcoma(SE), one of then recurrent and diagnosed from year 2000 to 2006, was examined. The results were discussed and the diagnostic criteria established to accomplished the differential diagnosis among tumors with epithelioid and rhabdoid phenotype. The relationship of SE with malignant extrarenal rhabdoid tumors, undifferentiated carcinomas and sarcomas with epithelioid phenotype were also examined. A case of SE with local recurrence 4 years after diagnosed as rabdomyoma, was Fli-1 positive. These findings were compared with recent evidences of Fli-1 positive recurrent SE, apparently with an intermediate grade of malignancy. Key words Epithelioid sarcoma, immunohistochemistry, local recurrence, epithelioid phenotype, rhabdoid phenotype, Fli-1.

Keywords
Epithelioid sarcoma. Histologic and immunohistochemical study of seven cases, one of them recurrent

 
 es Anatomía Patológica - Sarcoma Epitelioide: estudio histológico e inmunohistoquímico de siete casos
Tamayo, Jorge García; Salvatierra, María; Hamana, Leticia; Rincón, Anne; Hernández, Cathy & Morales, Ana

Resumen

Se examinó la histología y la inmunohistoquímica de siete sarcomas epitelioides (SE), uno de ellos recidivante, diagnosticados entre los años 2000 y 2006. Se discutieron los resultados y los criterios diagnósticos establecidos para el diagnóstico diferencial entre los tumores con fenotipo epitelioide y rabdoide, y sobre la relación del SE con el tumor rabdoide maligno extrarenal y con los carcinomas indiferenciados y sarcomas con fenotipo epitelioide. Se examinó con atención un caso de SE localmente recidivante 4 años después de haber sido diagnosticado como rabdomioma, y el inmunomarcaje para Fli-1. Se compararon estos hallazgos con trabajos recientes sobre casos de SE con recurrencias locales, positividad para Fli-1 y aparentemente con un grado intermedio de malignidad.

Palabras-clave
Sarcoma epitelioide, SE de tipo proximal

 
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Alternative site location: http://vitae.ucv.ve

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