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CLASIFICACIÓN DE LIE

A. B. C. D. E. F. ACA. ACA. CLASIFICACIÓN DE LIE. ACM. ACM. ACOM. PCOM. ACI. ACI. Determina los 6 tipos de establecimiento de colaterales El polígono de Willis se desarrolla totalmente en estadio embrionario de 24 mm Tipo A : ACA-ACOM y MCA-PCOM Tipo B : ACA y MCA – ACOM

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CLASIFICACIÓN DE LIE

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  1. A B C D E F ACA ACA CLASIFICACIÓN DE LIE ACM ACM ACOM PCOM ACI ACI • Determina los 6 tipos de establecimiento de colaterales • El polígono de Willisse desarrolla totalmente en estadio embrionario de 24 mm • Tipo A: ACA-ACOM y MCA-PCOM • Tipo B: ACA y MCA – ACOM • Tipo C: agenesia bilateral  anastomosis carótido-vertebrobasilar • Tipo D: agenesia cervical  anastomosis intracavernosa • Tipo E: hipoplasia bilateral ACA pequeña + MCA-PCOM • Tipo F: anastomosis transcraneales de la ACE (rama maxilar interna); Rete Mirabile ACP ACP Polígono de Willis (Modificado de Given et al.)

  2. COLATERALES POLIGONO DE WILLIS Tipo A Tipo B Tipo C Agenesia bilateral: carótido-vertebrobasilar ACA y MCA – ACOM ACA-ACOM y MCA-PCOM Tipo D Tipo E Tipo F Agenesia cervical: anastomosis intracavernosa Hipoplasia bilateral: ACA pequeña + MCA-PCOM Anastomosis ACE Rete Mirabile

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