Hemangioma, Cavernous, Central Nervous SystemHemangioma, CavernousCentral Nervous System Vascular MalformationsIntracranial Arteriovenous MalformationsMicrotubule-Associated ProteinsArteriovenous MalformationsBlood VesselsProto-Oncogene ProteinsApoptosis Regulatory ProteinsMicrofilament ProteinsMagnetic Resonance ImagingMutationPedigreeEndothelial CellsMembrane ProteinsCarrier ProteinsBrainCerebral ArteriesCerebral VeinsBrain NeoplasmsHemosiderinAbortion, EugenicCerebral HemorrhageIntracranial HemorrhagesPhenotypeArnold-Chiari MalformationCerebellopontine AngleDNA Mutational AnalysisCerebellar NeoplasmsSignal TransductionMolecular Sequence DataNeurosurgical ProceduresVascular MalformationsChromosomes, Human, Pair 7RadiosurgeryCerebral InfarctionCardiovascular SystemSpinal Cord NeoplasmsAmino Acid SequenceCerebrovascular CirculationCerebral PalsyCentral Nervous System Neoplasms