Abstract：
INTRODUCTION:According to the 1981 International League Against Epilepsy classification, absence seizures are the paradigm of idiopathic generalised seizures of childhood. Although absences are mainly of an idiopathic origin, there are also symptomatic absences, which account for 10% of all cases of absences. It is thought that a structural pathology can favour the appearance of absences in genetically predisposed individuals. CASE REPORTS:We report the cases of two patients with symptomatic absence seizures of childhood onset. The first presented thalamic damage of a perinatal origin and the second had glucose transporter deficiency in the brain. CONCLUSION:A percentage of absence seizures in childhood are of a symptomatic origin. This occurs more frequently in children who present other types of epilepsy, focal or diffuse brain damage, and in early-onset absences. TITLE:Ausencias sintomaticas, la etiologia menos conocida de las crisis de ausencia. :Introduccion. Las crisis de ausencia son el paradigma de las crisis generalizadas idiopaticas de la infancia segun la clasificacion de la Liga Internacional contra la Epilepsia de 1981. A pesar de que las ausencias son mayoritariamente de origen idiopatico, existen ausencias sintomaticas, que suponen un 10% de los casos de ausencia. Se piensa que una patologia estructural puede favorecer la aparicion de ausencias en individuos geneticamente predispuestos. Casos clinicos. Se presentan dos pacientes con crisis de ausencia sintomaticas de inicio en la infancia. El primero muestra un daño talamico de origen perinatal, y el segundo, un deficit del transportador de glucosa cerebral. Conclusion. Existe un porcentaje de las crisis de ausencia en la infancia que presenta un origen sintomatico. Este hecho ocurre con mayor frecuencia en niños que presentan otros tipos de epilepsia, daños cerebrales focales o difusos, y en las ausencias que comienzan de forma precoz.
journal_name
Rev Neuroljournal_title
Revista de neurologiaauthors
Carrera-Garcia L,Malaga-Dieguez I,Blanco-Lago R,Diaz-Baamonde A,Santovena-Gonzalez L,Gonzalez-Rato Jsubject
Has Abstractpub_date
2017-09-16 00:00:00pages
263-267issue
6eissn
0210-0010issn
1576-6578pii
rn2017021journal_volume
65pub_type
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