Journal Information
Vol. 32. Issue 1.
Pages 49-52 (January - February 2021)
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Vol. 32. Issue 1.
Pages 49-52 (January - February 2021)
Case Report
Foot drop after percutaneous treatment with radiopaque gelified ethanol (Discogel®)
Pie caído posterior al tratamiento percutáneo con etanol gelificado radiopaco (Discogel®)
Fernando José Rascón-Ramíreza,
Corresponding author
ferrascon@hotmail.com

Corresponding author.
, Andrés Camilo Vargas-Jiméneza, Osman Alberto Salazar-Asenciob
a Neurosurgery Department, Hospital Clínico San Carlos, Madrid, Spain
b Neurosurgery Department, Hospital Universitari Son Espases, Palma de Mallorca, Illes Balears, Spain
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Abstract

Sciatica due to a lumbar disc herniation is a frequent symptom, between 13% and 40% of the general population will experience an episode of sciatica during their lives. Different techniques exist to treat this condition. Among them the percutaneous intradiscal Discogel®. In all the series of patients reviewed treated with Discogel®, so far, there is not any case reported with disc extrusion and significant neurological damage. We present a case of a foot drop, caused by a disc herniation after percutaneous treatment with Discogel®. We hypothesize that the pathogenic mechanism would be the increased intradiscal volume and pressure post-puncture and annulus fibrosus damage, which could produce the disc extrusion.

The extrusion of Discogel® material is possible. To the best of our knowledge, this is the first reported case of this complication with this product.

Keywords:
Disc herniation
Neuropathic pain
Discogel®
Chemonucleolysis
Lumbar spine
Gelified ethanol
Resumen

La ciática secundaria a una hernia discal lumbar es un síntoma frecuente; entre el 13% y el 40% de la población general experimentará un episodio de ciática durante sus vidas. Se han desarrollado diferentes técnicas para tratar esta dolencia. Entre ellas, el Discogel® intradiscal percutáneo. En todas las series revisadas de pacientes tratados con Discogel®, hasta el momento, no se ha informado ningún caso de extrusión discal ni daño neurológico importante. Presentamos un caso de pie caído, causado por una hernia de disco posterior al tratamiento percutáneo con Discogel®. Nuestro mecanismo teórico es el aumento del volumen y la presión intradiscal más el daño del anillo fibroso pospunción que podría producir una extrusión discal. La extrusión del material Discogel® es posible. Hasta donde sabemos, este es el primer caso reportado de esta complicación con este producto.

Palabras clave:
Hernia discal
Dolor neuropático
Discogel®
Quimionucleólisis
Columna lumbar
Etanol gelificado

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