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Tumor de la fosa posterior - Información general

Nombres alternativos

Tumor cerebral infratentorial; Glioma del tronco encefálico

Definición:

Es un tipo de tumor cerebral localizado en o cerca de la base del cráneo.

Causas, incidencia y factores de riesgo:

La fosa posterior es un espacio pequeño en el cráneo, que se encuentra cerca del tronco encefálico y el cerebelo, siendo éste último la parte del cerebro responsable del movimiento.

Si un tumor crece en el área de la fosa posterior, puede bloquear el flujo de líquido cefalorraquídeo y ocasionar un aumento en la presión sobre el cerebro y la médula espinal.

La mayoría de los tumores de la fosa posterior son cánceres cerebrales primarios que se originan en el cerebro en lugar de diseminarse desde cualquier otra parte del cuerpo.

No existen ninguna causa conocida o factores de riesgo asociados con dichos tumores.

  • Fecha de revisión: 6/10/2008
  • Versión en inglés revisada por:James R. Mason, MD, Oncologist, Director, Blood and Marrow Transplantation Program and Stem Cell Processing Lab, Scripps Clinic, Torrey Pines, California. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.
  • Traducción y localización realizada por: DrTango, Inc

Referencias

Labuguen RH. Initial evaluation of vertigo. Am Fam Physician. Jan 15, 2006;73(1):244-251, 254.

Wilne S, Collier J, Kennedy C, Koller K, Grundy R, Walker D. Presentation of childhood CNS tumours: a systematic review and meta-analysis. Lancet Oncol. Aug 2007;8(8):685-95.

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