To access the additional media content available with this e-book via Thieme MedOne, please use the code and follow the instructions provided at the back of the e-book. TPS23x31-2|04.06.19-15:38 TPS23x31-2|04.06.19-15:38 TPS23x31-2|04.06.19-15:38 Controversies in Skull Base Surgery Andrew S. Little, MD Assistant Professor Department of Neurosurgery Barrow Neurological Institute St. Joseph’s Hospital and Medical Center Phoenix, Arizona, USA Michael A. Mooney, MD Resident Department of Neurosurgery Barrow Neurological Institute St. Joseph’s Hospital and Medical Center Phoenix, Arizona, USA 99 illustrations On the cover The illustration depicts three different skull base surgical options: expanded, endoscopic endonasal surgery, transcranial microsurgery, and radiosurgery. 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MichaelA.Mooney TPS23x31-2|04.06.19-15:38 ControversiesinSkullBaseSurgery|04.06.19-15:25 Contents VideoContents................................................................................... xi Foreword.......................................................................................... xiii Preface............................................................................................ xv Acknowledgments............................................................................... xvii Contributors...................................................................................... xix PartIVestibularSchwannoma 1 ControversiesintheNaturalHistoryofAcousticNeuromas................................. 2 MarkE.Whitaker 2 ControversiesinRadiosurgeryforAcousticNeuromas:Single-SessionTherapyversus HypofractionatedTherapy ...................................................................... 5 DavidS.Xu,ColinJ.Przybylowski,AndrewJ.Meeusen,andRandallW.Porter 3 ManagementofResidualVestibularSchwannomaAfterSubtotalResection: Observation,RepeatSurgery,orRadiosurgery?.............................................. 10 ScottBrigemanandKaithK.Almefty 4 TreatmentStrategiesforSmallIntracanalicularVestibularSchwannomasinYoung PatientswithGoodHearing..................................................................... 15 DanielA.Donoho,BenA.Strickland,JonathanJ.Russin,RickA.Friedman,andStevenL.Giannotta PartIIMeningioma 5 TranscranialApproachesArePreferredforCertainTuberculumandOlfactoryGroove Meningiomas..................................................................................... 24 FarshadNassiri,SuganthSuppiah,andGelarehZadeh 6 EndoscopicEndonasalSurgeryIstheBestTreatmentforCertainAnteriorFossaSkull BaseMeningiomas............................................................................... 28 DouglasA.Hardesty,AlaaS.Montaser,AlexandreB.Todeschini,RicardoL.Carrau,andDanielM.Prevedello 7 ControversiesintheManagementofPetroclivalMeningiomas............................. 37 RobertS.HellerandCarlB.Heilman 8 DoesEmbolizationHaveaRoletoPlayintheTreatmentofSkullBase Meningiomas?.................................................................................... 43 ColinJ.Przybylowski,JacobF.Baranoski,RamiO.Almefty,DaleDing,AndrewF.Ducruet, andFelipeC.Albuquerque 9 TheRoleofRadiotherapyforAtypicalandAnaplasticMeningiomas ....................... 48 BrookeK.Leachman,StephanieE.Weiss,andLelandRogers 10 EmergingChemotherapyandTargetedTherapyforAggressiveMeningiomas............ 58 YokoFujita,BenK.Hendricks,andNaderSanai v ControversiesinSkullBaseSurgery|04.06.19-15:25 Contents PartIIIPituitaryAdenoma 11 TheRoleofTranssphenoidalSurgeryFollowingNondiagnosticInferiorPetrosalSinus SamplinginCushingSyndrome ................................................................. 66 PamelaS.JonesandBrookeSwearingen 12 PharmacotherapyOptionsAfterFailedSurgeryforCushingDisease........................ 70 KevinC.J.Yuen 13 PrimaryMedicalTherapyforAcromegaly,ReadyforPrimeTime? .......................... 78 ElanaV.Varlamov,WinnieLiu,ShirleyMcCartney,JustinS.Cetas,andMariaFleseriu 14 TheRoleofRadiosurgeryforPituitaryAdenomas............................................. 87 GabriellaPaisan,Ching-JenChen,andJasonSheehan 15 ExplorationoftheCavernousSinusIsEffectiveDuringTranssphenoidalSurgeryfor PituitaryAdenoma................................................................................ 94 EngelbertJ.KnospandAlexanderS.G.Micko 16 SurgeryversusMedicalManagement:First-LineTreatmentforPituitaryApoplexy....... 96 GarniBarkhoudarian,SheriPalejwala,andDanielF.Kelly 17 AlternativeTreatmentStrategiesforAtypicalandAggressivePituitaryAdenomas....... 102 GregoryK.Hong PartIVCraniopharyngioma 18 ControversiesinRadicalResectionversusSubtotalResectionwithRadiationin Craniopharyngioma .............................................................................. 111 TaylorJ.AbelandJamesT.Rutka 19 TheRoleofOpenandEndoscopicApproachestoCraniopharyngiomas .................... 116 NeilMajmundar,JeanAndersonEloy,andJamesK.Liu 20 TheMolecularPathogenesisofCraniopharyngiomaandPotentialTherapeuticTargets.. 125 DouglasA.Hardesty PartVRathkeCleftCystandOtherSellarLesions 21 ResectionversusCystFenestration:TheBestTreatmentforRathkeCleftCysts ........... 131 22 HeadacheinPatientswithRathkeCleftCysts ................................................. 137 JustinL.Hoskin,KevinC.J.Yuen,andKerryL.Knievel 23 RathkeCleftCystSurgery:Indications,Outcomes,andComplications ..................... 141 DavidL.PennandEdwardR.LawsJr. 24 ControversiesintheManagementofHistiocytosisandXanthogranulomas ............... 147 ChristinaE.SarrisandRuthE.Bristol PartVIOtherCranialTumors 25 SurgicalApproachSelectionforSkullBaseChordoma........................................ 154 PaulA.Gardner,AhmedJorge,JuanC.Fernandez-Miranda,EricW.Wang,andCarlH.Snyderman vi