ExostosesExostoses, Multiple HereditaryOsteochondromaN-AcetylglucosaminyltransferasesOsteochondromatosisChondrosarcomaRibsNail DiseasesParietal BoneOsteopoikilosisLanger-Giedion SyndromeTransplant Donor SiteHalluxN-AcetylhexosaminyltransferasesChromosomes, Human, Pair 8Chromosomes, Human, Pair 11Heparitin SulfateHemothoraxPeriostitisUlnaBone NeoplasmsChromosomes, Human, Pair 19