Glioblastoma multiforme is the most frequent primary brain tumor, accounting for approximately 12-15% of all intracranial neoplasms and 50-60% of all astrocytic ...ForYouNews&PerspectiveDrugs&DiseasesCME&EducationAcademyVideoDecisionPointEdition:ENGLISHDEUTSCHESPAÑOLFRANÇAISPORTUGUÊSLogInSignUpIt'sFree!Edition:ENGLISHDEUTSCHESPAÑOLFRANÇAISPORTUGUÊSRegisterLogInNoResultsNoResultsForYouNews&PerspectiveDrugs&DiseasesCME&EducationAcademyVideoDecisionPointclosePleaseconfirmthatyouwouldliketologoutofMedscape.Ifyoulogout,youwillberequiredtoenteryourusernameandpasswordthenexttimeyouvisit.LogoutCancelhttps://profreg.medscape.com/px/getpracticeprofile.do?method=getProfessionalProfile&urlCache=aHR0cDovL2VtZWRpY2luZS5tZWRzY2FwZS5jb20vYXJ0aWNsZS8yODMyNTItb3ZlcnZpZXc=processing....Drugs&Diseases>OncologyGlioblastomaMultiformeUpdated:Jul28,2021Author:JeffreyNBruce,MD;ChiefEditor:HerbertHEngelhard,III,MD,PhD,FACS,FAANS more...ShareEmailPrintFeedbackCloseFacebookTwitterLinkedInGoogle+SectionsGlioblastomaMultiformeSectionsGlioblastomaMultiformeOverviewPracticeEssentialsBackgroundPathophysiologyEtiologyEpidemiologyPrognosisPatientEducationShowAllPresentationHistoryPhysicalExaminationShowAllDDxWorkupLaboratoryStudiesImagingStudiesOtherTestsProceduresHistologicFindingsStagingShowAllTreatmentApproachConsiderationsSurgicalCareMedicalCareSupportiveCareConsultationsInvestigationalApproachesActivityShowAllGuidelinesMedicationMedicationSummaryAntineoplasticagentsAnticonvulsantsCorticosteroidsShowAllQuestions&AnswersMediaGalleryReferencesOverviewPracticeEssentialsGlioblastomamultiforme(GBM)isthemostcommonandmostmalignantoftheglialtumors.[1]Seetheimagebelow.Histopathologicslidedemonstratingaglioblastomamultiforme(GBM).ViewMediaGallerySeeBrainLesions:9CasestoTestYourManagementSkills,aCriticalImagesslideshow,toreviewcasesincludingmeningiomas,glioblastomasandcraniopharyngiomas,andtodeterminethebesttreatmentoptionsbasedonthecasehistoryandimages.SignsandsymptomsTheclinicalhistoryofapatientwithgliobl