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Longitudinal evaluation16110INTRODUCTIONScaphocephalyistheresultofprematurefusionofthesagittalsutureandischaracterizedby an elongatedhead a wide andprominent forehead and anarrowocciput1Scaphocephalyis themostcommon typeofcraniosynostosisandoccursin15-4of10000livebirthsworldwide2–5Treatmentofscaphocephalyaims tocorrectcranialdeformitiespreventincreasedintracranialpressureandreducetheriskofdevelopmentaldelay6Amongthewidevarietyoftreatmentoptionsopencranialvaultreconstruction(OCVR)isthemostcommontreatmentoptionwhileminimalinvasivemethodssuchasspringmediatedcranioplastyandendoscopicallyassistedcraniosynostosissurgery(EACS)incombinationwithhelmettherapyincreaseinpopularity6–9ItisexpectedthatthesetechniquescouldresultindifferentcranialshapedevelopmentsaftersurgeryStudiesshowthattheendoscopictechniquereducedcomplicationandmortalityratesdecreasedbloodlossshortenedhospitalstayandloweredhealthcarecosts3710–12Althoughtheaestheticandmorphologicaloutcomeoftreatmentoptionsisoftenbasedonsubjectivemeasures13143Dstereophotogrammetryincombination withadvancedevaluationmethodsallowobjectivelong-term follow-upof thepatients’cranialmorphologyTheaimofthisstudywastoevaluatethecranialshapedevelopmentofscaphocephalypatientswithobjective3DanalysismethodsInadditionthesecondarysurgicalaspectswereevaluatedMATERIALANDMETHODSPATIENTSEthicalapprovalfromtheregionalinstitutionalreviewboardwasobtained(no2020-6128)Unisuturalnon-syndromicscaphocephalypatientsagingupto56monthswhounderwenteitherEACSorOCVRbetween2005and2019atour
