Glioblastoma multiforme (GBM) is by far the most common and most malignant of the glial tumors. Attention has been drawn to this form of brain cancer by the ...ForYouNews&PerspectiveDrugs&DiseasesCME&EducationAcademyVideoSpecialty:MultispecialtyAllergy&ImmunologyAnesthesiologyBusinessofMedicineCardiologyCriticalCareDermatologyDiabetes&EndocrinologyEmergencyMedicineFamilyMedicineGastroenterologyGeneralSurgeryHematology-OncologyHIV/AIDSHospitalMedicineInfectiousDiseasesInternalMedicineMultispecialtyNephrologyNeurologyOb/Gyn&Women'sHealthOncologyOphthalmologyOrthopedicsPathology&LabMedicinePediatricsPlasticSurgeryPsychiatryPublicHealthPulmonaryMedicineRadiologyRheumatologyTransplantationUrologyMedicalStudentsNursesPharmacistsResidentsTodayonMedscapeEdition:ENGLISHDEUTSCHESPAÑOLFRANÇAISPORTUGUÊSLogInSignUpIt'sFree!Edition:ENGLISHDEUTSCHESPAÑOLFRANÇAISPORTUGUÊSRegisterLogInNoResultsNoResultsSaturday,February6,2021ForYouNews&PerspectiveDrugs&DiseasesCME&EducationAcademyVideoclosePleaseconfirmthatyouwouldliketologoutofMedscape.Ifyoulogout,youwillberequiredtoenteryourusernameandpasswordthenexttimeyouvisit.LogoutCancelhttps://profreg.medscape.com/px/getpracticeprofile.do?method=getProfessionalProfile&urlCache=aHR0cHM6Ly93d3cubWVkc2NhcGUuY29tL2Fuc3dlcnMvMjgzMjUyLTY4NDM1L3doYXQtaXMtZ2xpb2JsYXN0b21hLW11bHRpZm9ybWUtZ2Jtprocessing....Drugs&Diseases>Oncology>GlioblastomaMultiformeQ&AWhatisglioblastomamultiforme(GBM)?Updated:Jul01,2019Author:JeffreyNBruce,MD;ChiefEditor:HerbertHEngelhard,III,MD,PhD,FACS,FAANS more...ReferencesShareEmailPrintFeedbackCloseFacebookTwitterLinkedInGoogle+AnswerGlioblastomamultiforme(GBM)isbyfarthemostcommonandmostmalignantoftheglialtumors.AttentionhasbeendrawntothisformofbraincancerbythedeathsofSenatorTedKennedyandSenatorJohnMcCainfromglioblastoma.Oftheestimated17,000primarybraintumorsdiagnosedintheUnitedStateseachyear,approximately60%aregliomas.Gliomascompriseaheterogeneousgroupofneoplasmsthatdifferinlocationwithinthecentralnervoussystem,inageandsexdi