• Fernando José Rascón-Ramírez, Andrés Camilo Vargas-Jiménez, and Osman Alberto Salazar-Asencio.
• Neurosurgery Department, Hospital Clínico San Carlos, Madrid, Spain. Electronic address: ferrascon@hotmail.com.
• Neurocirugia (Astur : Engl Ed). 2021 Jan 1; 32 (1): 49-52.

AbstractSciatica 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.Copyright © 2020. Publicado por Elsevier España, S.L.U.

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