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Vol. 39. Issue 2.
Pages 69-79 (April - June 2006)
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Vol. 39. Issue 2.
Pages 69-79 (April - June 2006)
Revisiones
Condrosarcoma. Variantes de condrosarcoma
Chondrosarcoma. Different variants of chondrosarcoma
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11550
Francisco José Martínez Tello1, Palmira Manjón Luengo2, Santiago Montes Moreno1
Hospital Universitario 12 de Octubre de la Universidad Complutense de Madrid
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Resumen

El término condrosarcoma es usado para describir un grupo heterogéneo de tumores con características morfológicas y comportamientos clínicos diversos. Se asume que los condrosarcomas son tumores malignos constituidos por células de fenotipo cartilaginoso que usualmente muestran un patrón histológico lobulado y tienden a mantener su naturaleza esencialmente cartilaginosa a lo largo de su evolución, independientemente de la localización del tumor, tanto en los tumores esqueléticos como extraesqueléticos. Se reconocen una serie de variantes, de características morfológicas, radiológicas y clínicas diferentes. En esta revisión se exponen las referidas características de las diferentes variantes de condrosarcoma, y las dificultades diagnósticas para el patólogo, haciendo énfasis en los criterios para su diagnóstico diferencial, incluyendo los nuevos conocimientos de citogenética y patología molecular.

Palabras clave:
condrosarcoma
del esqueleto acral
de células claras
yuxtacortical
secundarios
mesenquimal
mixoide extraesquelético
Summary

The term chondrosarcoma is used for describing a heterogeneous group of tumors with diverse morphological features and clinical behaviour. It is assumed that chondrosarcomas are malignant tumors composed of cells with a cartilaginous phenotype that usually show a lobulated histological pattern and tend to maintain their essentially cartilaginous nature along their evolution, independently of the site of the tumor, as well in osseous as in extra skeletal tumors. Several variants of chondrosarcomas are recognized. They have different morphological, radiological and clinical features. In this revision the above mentioned features of the different variants and the diagnostic difficulties for the pathologist are commented, and emphasis is given to the criteria for its differential diagnosis, including recent knowledge about cytogenetics and molecular biology.

Key words:
chondrosarcoma
acral skeleton
clear cell chondrosarcoma
juxtacortical chondrosarcoma
secondary chondrosarcoma
mesenchymal chondrosarcoma
extra skeletal myxoid chondrosarcoma

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