Journal Information
Vol. 13. Issue 3.
Pages 219-224 (January 2002)
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Vol. 13. Issue 3.
Pages 219-224 (January 2002)
Aneurisma gigante de rápido crecimiento
Giant aneurysm of fast development Summary
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J.M. Castilla
, V. Martín-Velasco, A. Rodríguez-Salazar
Servicio de Neurocirugía. Hospital General Yagüe. Burgos
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Resumen

Los aneurismas de más de 2’5cm de diámetro suponen el 3–13% de los aneurismas intracraneales, son más frecuentes en mujeres. Su edad de aparición suele ser más tardía que los de menor tamaño, aunque se encuentran en pacientes menores de 20 años de edad en el 20% de los casos. Su patogenia no está aún completamente clara. Se presenta el caso de una paciente de 24 años que ingresa tras sufrir una crisis convulsiva generalizada con disfasia y hemiparesia derecha residuales debidas a una hemorragia subaracnoidea por rotura de un aneurisma gigante de fosa temporal izquierda, y que fallece en las horas siguientes por resangrado. Esta paciente había sido estudiada en los últimos siete años en nuestra consulta por presentar osteomas frontales, que no precisaron tratamiento, sin evidencia en la tomografía axial computerizada (TAC) de alteraciones intracraneales. Unos meses antes de su muerte, había sufrido una otitis micótica izquierda y se hallaba en estudio por reaparecer tras su curación una cefalea hemicránea izquierda, sin focalidad neurológica.

Este caso aporta una nueva evidencia de la rápida aparición de un aneurisma de gran tamaño silente hasta poco antes del desenlace fatal.

Palabras clave:
Aneurismas intracraneales gigantes
Hemorragia subaracnoidea
Resangrado de aneurismas rotos
Aneurismas incidentales o no rotos
Summary

The percentage of aneurysms measuring more than 2’5cm in diameter ranges from 3 to 13%, and occur more commonly in females. They come to clinical attention later than nongiant aneurysms, but 20% of them appear in patients 20 years of age or younger. Its natural history is incompletely understood.

We present the case of a 24-year-old female admitted following a generalized seizure with postictal disphasia and right hemiparesis caused by a subarachnoid hemorrhage due to a ruptured giant aneurysm located in the left temporal fossa, who died few hours later because of rebleeding. This patient had been followed during the last seven years at our unit because of untreated frontal osteomas, without evidence of any intracranial lession in the computerized axial tomography (CT). Some months before her death, she had suffered a left micotic otitis, and she was studied because of the reappearance of her left cephalalgia without neurological deficit. This case is another evidence of quick appearance of a giant aneurysm, “silent” until the fatal outcome.

Key words:
Giant intracranial aneurysms
Subarachnoid hemorrhage
Rebleeding
Incidental aneurysm

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