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Sarcoma de Ewing - Overview

Nombres alternativos

Familia de tumores de Ewing; Tumores neuroectodérmicos primitivos

Definición:

Es un tumor óseo maligno (canceroso) que afecta a los niños.

Causas, incidencia y factores de riesgo:

El sarcoma de Ewing se puede presentar en cualquier momento durante la niñez y comienzos de la edad adulta, pero generalmente se desarrolla en la pubertad cuando los huesos están creciendo rápidamente. Es 10 veces tan común en niños de raza blanca como en niños afroamericanos, africanos o asiáticos.

El tumor puede originarse en cualquier parte del cuerpo, generalmente en los huesos largos de los brazos y las piernas, la pelvis o el tórax, al igual que en el cráneo o en los huesos planos del tronco.

El tumor a menudo se disemina (metástasis) a los pulmones y a otros huesos. Al momento del diagnóstico, la metástasis está presente en aproximadamente un tercio de los niños con este tipo de sarcoma. En raras ocasiones, el sarcoma de Ewing puede ocurrir en adultos.

  • Reviewed last on: 3/2/2010
  • David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine; Yi-Bin Chen, MD, Leukemia/Bone Marrow Transplant Program, Massachusetts General Hospital. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

Referencias

Baker LH. Bone tumors: primary and metastatic bone lesions. In: Goldman L, Ausiello D, eds. Cecil Medicine. 23rd ed. Philadelphia, Pa: Saunders Elsevier; 2007:chap 212.

National Comprehensive Cancer Network Clinical Practice Guidelines in Oncology: Bone Cancer. National Comprehensive Cancer Network; 2010. Version 1.2010.

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