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Normalcranialevolution472the18monthsagegrouponlyincludedsevenscansandthusthedatamightbelessaccuratecomparedtothe15monthsand24monthsagegroupdataInadditionasimilarpeakforthe18monthsgroupwasseenforsuturelengthsandthecircumferencemeasurementsbasedontheCTdatasetsThissuggeststhatrelativelylargeheadswereincludedinthisgroupCranialvolumeisanimportantfactorfortheevaluationofcranialsurgeryHowever,differentpopulationsmethodsandresultsarepresentedintheliterature283031 Thereforeitisimportanttointerpretthevolumedataaccordingtothemethodologyofimageacquisitionandanalysisused Thisstudyuseddifferentimagemodalities yet the same analysismethods wereused Thismakes evaluationandfollow-upmoreadequateandemphasizestheimportanceofthisstudyInthisstudyatotalof3823DphotographsandCTscanswereselectedforinitialinclusionDuetothestrictexclusioncriteriaonly300imageswereusedforfinalanalysiswhichresultedincertainagegroupswithsmallernumbers The6-monthCTSTgroupcontainedonlyonescanandwasthereforeexcludedfromfurtheranalysisInadditiondistinctionbetweenmalesand femalesresultedinevenmoresamplesofasizethatwastoosmalltoanalyse Yetthebenefitofusingstringentexclusioncriteriais aclean andpuredatasetdescribingonlynormalcranialshapeswhichisthereforeappropriateforsurgicalevaluationandfollow-upCONCLUSIONInconclusionthisstudyanalysedthegrowthpatternofthecranialshapeofinfantsduringthefirstyearsoflifeusing3Dstereophotogrammetryand3D-CT.Advanced3Devaluationdemonstratedafocusofgrowthintheanteriorregionoftheheadinthefirstyearoflifeandmoreposteriorgrowthaftertheageof1yearNormativedataarepresentedwhichareofmultidisciplinaryinterestandcouldbeusedbypaediatriciansandmaternityconsultationclinicstoevaluatethegrowthandshapeofinfantheads
