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Archivos de neurociencias (México, D.F.)

versión impresa ISSN 0187-4705

Resumen

MARTINEZ-PONCE DE LEON, Angel et al. Demonstration in MRI of tumoral necrosis of intracranial miningiomas post embolization. Arch. Neurocien. (Mex., D.F.) [online]. 2005, vol.10, n.3, pp.156-159. ISSN 0187-4705.

Objective: to demonstrate postembolization tumoral necrosis in patients with intracraial meningiomas before operation. Material and methods: The report includes 4 patients with intracranial meningiomas: 3 supratentorial and 1 infratentorial. They all underwent angioembolization with AVP and N-butyl-cianocrylate supraselective in branches of external carotid. Seven days later they all had MRI which demonstrated total embolization. A follow up was carried out on all these patients, starting from clinical preparation to 6 months postoperatory surgical registrations for verification. Results: Seven days postembolization there was tumoral necrosis, demonstrated by MRI and transoperatory confirmation. There was no increment of peritumoral cerebral edema neither neurological deterioration related to angioembolization. There was facility to resection of meningioma secondary to necrosis, better aspiration, diminishing operatory time and hemorrhage. All patients had excellent clinical evolution. There was confirmation for pathology of tumoral necrosis. Conclusion: The preoperatory angioembolization is effective to produce tumoral necrosis in intracraneal meningiomas when it carried out at 100%, evidenced on the seventh day.

Palabras llave : meningioma; embolization; tumoral necrosis.

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