Noonan SyndromeLEOPARD SyndromeGerm-Line MutationProtein Tyrosine Phosphatase, Non-Receptor Type 11SOS1 ProteinSyndromeCostello SyndromeMutationFaciesMutation, MissenseLoose Anagen Hair SyndromePulmonary Valve StenosisEyebrowsDNA Mutational AnalysisAbnormalities, MultiplePoint MutationPedigreeFailure to ThriveSkin AbnormalitiesCraniofacial AbnormalitiesPhenotypeEctodermal DysplasiaProtein Tyrosine PhosphatasesGenes, Neurofibromatosis 1CherubismExonsSexual DevelopmentHeart Defects, CongenitalNeoplastic Syndromes, HereditaryNeurofibromatosis 1Bezoarsras ProteinsFrameshift MutationColorectal Neoplasms, Hereditary NonpolyposisLeukemia, Myelomonocytic, JuvenileIntracellular Signaling Peptides and ProteinsDiagnostic Techniques, EndocrineCardiomyopathy, HypertrophicGenes, BRCA1MutS Homolog 2 ProteinParaganglioma