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Vol. 2. Issue 1.
Pages 5-7 (January 1991)
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Vol. 2. Issue 1.
Pages 5-7 (January 1991)
Experiencia inicial con la MRi-angio en el estudio de lesiones de la base de cráneo
W. Bini, R.H. Prawitz, J. Rodríguez Díaz, M. Samii
Neurochirurgische Klinik und Kernspintomographie. Nordstadt Krankenhaus, Hannover, Alemania
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Resumen

Hasta el desarrollo e incorporación de la Resonancia Magnética Nuclear (RMN o MRi, Magnetic Resonance Imaging) en la práctica clínica rutinaria, eran necesarios procedimientos invasivos para la correcta evaluación del patrón vascular cerebral y cervical así como de la relación de los vasos con los tejidos circundantes normales o patológicos.

Con la introducdón de la MRi-angio como parte del protocolo preoperatorio en el diagnóstico de la patología de la base de cráneo; podemos evaluar de forma noinvasiva los principales vasos de la cabeza y cuello reduciendo el número de estudios diagnósticos invasivos.

Después de haber realizado y evaluado 50 estudios vasculares con MRi-angio, en los últimos 6 meses, opinamos que la información obtenida es suficiente para conocer el curso, permeabilidad’y relación de los vasos a nivel de la base craneal (75–90% de calidad diagnóstica).

La MRi-angio debería realizarse como screening y por tratarse de una técnica no-invasiva es método a elegir en niños y pacientes de edad avanzada. Con adelantos técnicos y perfeccionamiento de los estudios podremos canalizar mejor los estudios angiográficos selectivos o supraselectivos, disminuyendo el número de angiografías diagnósticas convencionales.

Palabras clave:
MRi-angio
protocolo diagnóstico
base de cráneo
Summary

Until the development and incorporation of MRi techniques in routine clinical practice, invasive diagnostic procedures were mandatory for the evaluation of the vascular course and intrinsic relationship between blood vessels and nearby adjacent normal and pathological tissue.

With MRi-angio, as part of the diagnostic preoperative protocol for the skull base, we can now evaluate non-invasively the major vascular supply for the head and neck thus reducing the number of invasive diagnostic studies.

After having performed and evaluated in the last 6 months 50 MRi-angio examinations in skull base processes, we retain this technique as sufficient in the majority of the cases to deliver accurate information regarding vascular course, blood vessel/tumor relationship and vascular patency (75–90% diagnostic quality). MRi-angio should be used as screening method, specially in children and elderly patients due to the non-invasive nature.

Further technical improvements will channel more specifically selective and supraselective invasive angiographical studies.

Key words:
MRi-angio
diagnostic protocol
skull base

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