Los quistes aracnoideos del sistema nervioso central son colecciones de líquido similar o igual al cefalorraquídeo, de naturaleza benigna, revestidas de una membrana aracnoidea y de origen congénito o secundarias a traumatismo, hemorragia o infección. Descritos por primera vez por Bright en 1931, su definición y posible fisiopatología ha sufrido repetidas modificaciones hasta nuestros días. El objetivo de este trabajo es presentar un resumen de este proceso.
Arachnoid cysts of central nervous system are benign collections filled with a liquid that is equal o similar to cerebrospinal fluid, coated with a single layer or flattened arachnoid cells membrane, congenital or secondary to trauma, meningitis or hemorrhage. First described by Bright in 1931, its definition and possible pathophysiology has been debated to date. Our objective is to present a summary of this process.
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