LEON CLERES PENIDO PINHEIRO; MICHAEL A. COHEN; ANDREA BISOGLIO; ALEX IAN EVINS; PHILIP E. STIEG; ANTONIO BERNARDO, A Quantitative Analysis of Extracranial-Intracranial Bypass Using Pedicled External Carotid Artery Donors. LEON CLERES PENIDO PINHEIRO has been presented in the modality of Approved – Proffered Papers, in the 8th World Federation of Skull Base Societies Meeting that was held from Mar 22 to 27, 2022.