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Vol. 26. Issue 2.
Pages 100-104 (March - April 2015)
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Vol. 26. Issue 2.
Pages 100-104 (March - April 2015)
Caso clínico
Desarrollo «de novo» de un quiste aracnoideo supraselar
«De novo» development of a suprasellar arachnoid cyst
Miguel Gelabert-Gonzáleza,b,
Corresponding author
miguel.gelabert@usc.es

Autor para correspondencia.
, Lara Pita-Buezasa,b, José María Santín-Amoa,b, Paula Román-Penaa,b, Ramón Serramito-Garcíaa,b, Alfredo García-Alluta,b
a Servicio de Neurocirugía, Hospital Clínico Universitario, Santiago de Compostela, La Coruña, España
b Departamento de Cirugía, Universidad de Santiago de Compostela, Santiago de Compostela, La Coruña, España
Article information
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Tabla 1. Casos publicados previamente de quistes aracnoideos «de novo»
Resumen

Los quistes aracnoideos (QA) intracraneales son lesiones quísticas formados a partir de las aracnoides y que tienen una prevalencia entre el 1-2% en la población pediátrica. Presentamos el caso clínico de un niño de 2 años que presentó inestabilidad para la marcha y episodios de desviación ocular; al nacimiento se le había realizado una ecografía transfontanelar que fue normal. Se le practicó una tomografía computarizada (TC) y resonancia magnética (RM) que evidenciaron un quiste aracnoideo supraselar acompañado de importante hidrocefalia. Se realizó una fenestración endoscópica del quiste con remisión completa de la sintomatología.

En la revisión de la literatura únicamente hemos encontrado 6 casos previos de QA sin un origen congénito o traumático, y exclusivamente uno de ellos de localización supraselar. Analizamos las características clínicas, radiológicas y el tratamiento en los casos publicados con anterioridad.

Palabras clave:
Fenestración endoscópica
Quiste aracnoideo
Quiste aracnoideo de novo
Quiste aracnoideo supraselar
Abstract

Intracranial arachnoid cysts are fluid-filled cavities that arise within the cranial arachnoid, representing approximately 1%-2% of all intracranial lesions among the paediatric population. We present the case of a 2-year-old boy who presented with instability and episodes of ocular deviation. A computed tomography scan (CT scan) and magnetic resonance imaging (MRI) of the brain revealed a suprasellar cyst and obstructive hydrocephalus. At birth a transfontanellar ultrasound was normal. The cyst underwent endoscopic fenestration with complete remission of symptoms.

In the review of the literature, we found only 6 previous cases of an intracranial arachnoid cyst whose origin was not clearly congenital or traumatic, and ours is the second case of a suprasellar arachnoid cyst to arise de novo. The clinical features, imaging characteristics and treatment of the previously reported cases are discussed.

Keywords:
Endoscopic fenestration
Arachnoid cyst
De novo arachnoid cyst
Suprasellar arachnoid cyst

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