Objective: The Moyamoya disease (MMD), a rare cerebrovascular disorder, is characterized by an aberrant network of collateral circulation vessels leading to hemorrhagic and ischemic strokes. MMD progression has been attributed to some growth and angiogenic factors influencing circulating endothelial[for full text, please go to the a.m. URL] ; SeriesInformation ; 64. Jahrestagung der Deutschen Gesellschaft für Neurochirurgie (DGNC)