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Vol. 19. Issue 6.
Pages 556-561 (January 2008)
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Vol. 19. Issue 6.
Pages 556-561 (January 2008)
Siringomielia “idiopática”: a propósito de un caso
“Idiopathic” syringomyelia: report of a case
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A. Horcajadas
, A. Román A, G. Olivares, E. Saura, A. Jorques, B. Iáñez, J.M. Martín
Servicios de Neurocirugía (Sección de Neurorradiología). Hospital Virgen de las Nieves. Granada
J. Pastor*
* Servicios de Radiología (Sección de Neurorradiología). Hospital Virgen de las Nieves. Granada
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Resumen

La siringomielia se define como una cavidad intramedular llena de líquido cefalorraquídeo (LCR). En la etiología de toda cavidad siringomiélica subyace una alteración en la circulación del LCR de diversa índole. Hablamos de formas “idiopáticas” cuando no se identifican mecanismos causales de la misma. El uso de procedimientos derivativos ha sido ampliamente practicado pero el resultado de los mismos, especialmente a largo plazo, no es favorable y asocian un índice de complicaciones importante. Otras modalidades de tratamiento pretenden restaurar la circulación del LCR, eliminando así el mecanismo causal de la cavidad. Los resultados con este tipo de tratamiento son mejores a la luz de la literatura publicada. Un adecuado estudio radiológico permite identificar el espacio problema y planear eficazmente el abordaje.

Se presenta un caso de siringomielia idiopática tratado mediante disección de bridas aracnoideas y plastia dural con buena respuesta clínica y radiológica así como se revisa la literatura publicada en torno a esta modalidad de siringomielia y los distintos abordajes terapéuticos.

Palabras clave:
Siringomielia
Idiopática
Aracnoiditis
Derivación
Brida aracnoidea
Summary

Syringomyelia is the condition in which cavities fulfilled with CSF are found within spinal cord. Syringes are caused by obstructions of CSF pathways of different causes. If we can not find a cause responsible for the blockage, we called it “idiopathic” syringomyelia. Drainage procedures have been widely used but results, especially long-term results, are not favourable and complication rate is high. Some authors prefer to restore CSF circulation instead to drain the syrinx. Results of this treatment modality are better in literature than drainage procedures. Adequate radiological studies help to identify problem location and to plan the approach.

A case of “idiopathic” syringomyelia is presented. Treatment consisted on arachnoids webs dissection and dural plastia. Clinical and radiological response was good. Literature concerned about this kind of syringomyelia and treatment modalities are reviewed.

Key words:
Syringomyelia
Idiopathic
Arachnoiditis
Shunt
Arachnoid web

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