Epiphyses, SlippedEpiphysesSlipped Capital Femoral EpiphysesFemur HeadFemur Head NecrosisFemurLegg-Calve-Perthes DiseaseHip JointAge Determination by SkeletonOsteotomyFemoracetabular ImpingementFemur NeckBone NailsBone ScrewsExostosesHip DislocationManipulation, OrthopedicBone RetroversionCraniopharyngiomaRange of Motion, ArticularEndocrine System DiseasesCartilage DiseasesOrthopedic ProceduresGrowth PlateTractionAcetabulumHLA-DR5 AntigenTibiaHumerusTurner SyndromeOsteoarthritis, HipDiaphysesTreatment OutcomeRetrospective Studies