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Vol. 21. Issue 1.
Pages 22-28 (January 2010)
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Vol. 21. Issue 1.
Pages 22-28 (January 2010)
Astrocitomas pilomixoides. Presentación de tres casos y revisión de la literatura
Pilomyxoid astrocytoma. Three cases and review
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M. Domínguez-Páez
Corresponding author
lenin_@hotmail.com

Correspondencia: Servicio de Neurocirugía. Hospital Regional Universitario Carlos Haya. Avda Carlos Haya, s/n. 29010.
, S. Rodríguez-Barceló, J.M. Medina-Imbroda, M. Puch-Ramírez, B. Ros-López, M.A. Arráez-Sánchez
Servicio de Neurocirugía, Sección de Neurocirugía Infantil, Hospital Regional Universitario Carlos Haya, Málaga
B. Weil-Lara*
* Servicio de Anatomía Patológica, Hospital Regional Universitario Carlos Haya, Málaga
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Resumen
Introducción

El astrocitoma pilomixoide (APM) es un tumor del sistema nervioso central (SNC) con características clínicas y anatomopatológicas propias que lo convierten en una entidad diferente del astrocitoma pilocítico (AP). Este tumor aparece en la clasificación de tumores del SNC de la OMS en su cuarta edición (año 2007) como subtipo de AP dentro del grupo de los tumores de origen astrocitario. Actualmente sigue siendo una entidad tumoral poco conocida, existiendo controversia sobre su origen histológico y su comportamiento clínico, y una falta de consenso en cuanto a su manejo terapéutico.

Objetivo

Revisar la literatura científica relacionada con el tema y presentar tres casos valorados en nuestro servicio.

Conclusiones

El APM es una entidad anatomopatológica relacionada con el AP aunque con una mayor tendencia a la recidiva y diseminación por el líquido cefalorraquídeo, por lo que se recomienda segu

Palabras clave:
Astrocitoma pilocítico
Astrocitoma pilomixoide
Summary
Introduction

Pilomyxoid astrocytoma (PMA) is a central nervous system (CNS) tumour with peculiar clinicopathological features, that turn it into an entity different from pilocytic astrocytoma (PA). It appears in 2007 WHO classification of tumours of the CNS as an PA subtype belonging to the group of astrocytic tumours. Nowadays little is still known about this tumour entity; the histological origin and clinical behavior remain controversial, and there is no consensus about its management.

Objective

To review the scientific literature related to the topic and to present three cases treated at our service.

Conclusions

PMA is an histological entity related to PA with a greater trend to regrowth and cerebrospinal fluid dissemination, therefore strict follow-up and oncological treatment is recommended.

Key words:
Pilocytic astrocytoma
Pilomyxoid astrocytoma

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