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Revista Ciencias de la Salud
versão impressa ISSN 1692-7273
Resumo
VELANDIA-HURTADO, Fernando; BUITRAGO-GUZMAN, César Augusto; FERNANDEZ-NUNEZ, Yésika Alexandra e ECHEVERRIA-PALACIO, Carlos Mario. Periventricular Nodular Heterotopia, Surgical Goal in Drug-Resistant Epilepsy. Rev. Cienc. Salud [online]. 2014, vol.12, n.3, pp.423-434. ISSN 1692-7273. https://doi.org/dx.doi.org/10.12804/revsalud12.03.2014.10.
Introduction: Neuronal heterotopia is a migration disorder in which these cells do not complete their movement toward the cerebral cortex. Periventricular nodular heterotopia is the most frequently reported form, characterized by neuronal conglomerates adjacent to the lateral ventricles walls.About 90 % of patients with this condition suffer epilepsy at some point in their lives and the major proportion of them will be resistant to pharmacologic treatment. This makes an appropriate diagnostic approach necessary in order to determine which patients would benefit from surgical resection of the lesion, which in most cases offers a high rate of crisis control. Development: This article presents a review of the most important topics approached from the practice of periventricular nodular heterotopia pathophysiology, clinical features, diagnosis and therapy. It is aimed at exploring the role of this condition as a cause of intractable epilepsy. Conclusion: Pharmacologic treatment for resistant epilepsy will have a severe impact on patient's quality of life. Periventricular nodular heterotopia is frequently associated to this condition, which must be successfully approached by the medical team attempting to an opportune diagnosis and defining which patients would benefit from surgical management. This positively impacts the quality of life of these patients and their caregivers.
Palavras-chave : Cortical Malformations; Neuronal Migration Disorders; Nodular Periventricular Heterotopia; Drug-Resistant Epilepsy; Epilepsy Surgery; Neuropathology.