Publicación Oficial de la Sociedad Ecuatoriana de Neurología, de la Liga Ecuatoriana Contra la Epilepsia y de la Sociedad Iberoamericana de Enfermedad Cerebrovascular

primary archnoid cyst

 

Quiste Aracnoideo de Presentación Ictal.

Arachnoid cysts are benign cystic cavities surrounded by membranes that are indistinguishable from the arachnoid membrane. They contain cerebrospinal fluid in contact with the subarachnoid space. They are frequently asymptomatic and incidentally diagnosed in the adult. Their clinical onset is variable and depends on their size and possible triggering factors. We report a case in which a big arachnoid cyst presented in an unusual way, not finding a background or any triggering factors that might justify this clinical presentation. It is necessary to perform a differential diagnosis from other common affections of sudden onset. Surgical treatment by cystoperitoneal shunting resulted in a complete resolution of symptoms.

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