Journal Information
Vol. 21. Issue 4.
Pages 317-321 (January 2010)
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Vol. 21. Issue 4.
Pages 317-321 (January 2010)
Silla turca vacía primaria reversible. A propósito de un caso
Reversible primary empty sella. Case report
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J. González-Tortosa
, C. Piqueras-Pérez, A. Ruiz-Espejo, J.F. Martínez-Lage
Servicio de Neurocirugía. Hospital Universitario Virgen de la Arrixaca. Murcia
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Resumen

Se presenta el caso de un niña de 13 años con un aumento del tamaño de la hipófisis sugerente de adenoma que, tras un episodio de hidrocefalia aguda, desarrolló en la RM una silla turca vacía parcial. Tras la colocación de una derivación de líquido cefalorraquídeo, se normalizó la presión intracraneal y la hipófisis volvió a ocupar todo el espacio de la fosa sellar. Se discute la posibilidad de que en la silla turca vacía primaria con hipertensión intracraneal crónica idiopática, esté implicada una atrofia isquémica de la adenohipófisis que impide la recuperación del volumen glandular tras la restauración de la PIC a los niveles normales. La reversión de la silla turca vacía es un indicador de la normalización de la PIC.

Palabras clave:
Silla turca vacía
Hipertensión intracraneal
Hidrocefalia
Derivación de líquido cefalorraquídeo
Abreviaturas:
HICI
STVP
Summary

We report the case of a 13-year-old girl with an increased hypophysis that mimicked an adenoma, who developed a partial empty sella on MRI after an acute episode of hydrocephalus. After replacement of a CSF shunt, the intracranial pressure returned to normal and the hypophysis filled up again all the sellar fossa. We discuss the possibility of the involvement by an ischemic atrophy of the adenohypophysis in the development of a primary empty sella with idiopathic chronic raised intracranial pressure that prevents the recovery of the gland volume after restoring the intracranial pressure to normal values. Restitution of empty sella may be an indicator of normal intracranial pressure in these cases.

Key words:
Empty sella
Intracranial hypertension
Hydrocephalus
Ventriculoperitoneal shunt

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