Glioblastoma is a type of astrocytoma, a cancer that forms from star-shaped cells in the brain called astrocytes. In adults, this cancer usually ...NewsReferenceQuestions&AnswersMedicationFindanOncologistOverview&FactsRisks&PreventionSymptoms&SignsCancerTypesDiagnosis&TestsYourCancerCareTeamCancerTreatmentCutting-EdgeTreatmentsLiving&ManagingRemission&RecurrenceSupport&ResourcesTypes&CausesSymptomsDiagnosisTreatmentHomeCare10QuestionsWhatIsGlioblastoma?CancerHealthCenterChemo-RelatedNauseaNutritionandCancerBrainCancerTreatmentCancerA-ZGuideBrainCancerReferenceFindanOncologistMoreRelatedTopicsCancerBrainCancerReferenceInthisArticleWhereItFormsintheBrainHowCommonIsIt?SymptomsDiagnosisTreatmentOutlookandSurvivalRatesGlioblastomaisatypeofbraincancer.It’sthemostcommontypeofmalignantbraintumoramongadults.Anditisusuallyveryaggressive,whichmeansitcangrowfastandspreadquickly.Althoughthereisnocure,therearetreatmentstohelpeasesymptoms.WhereItFormsintheBrainGlioblastomaisatypeofastrocytoma,acancerthatformsfromstar-shapedcellsinthebraincalledastrocytes.Inadults,thiscancerusuallystartsinthecerebrum,thelargestpartofyourbrain.Glioblastomatumorsmaketheirownbloodsupply,whichhelpsthemgrow.It'seasyforthemtoinvadenormalbraintissue.HowCommonIsIt?Braincancersaren’tcommon.Andwhentheydohappen,about4outof5aren’tglioblastomas.Menaremorelikelytogetthemthanwomen.Andchancesgoupwithage.Doctorsdiagnoseabout14,000glioblastomacasesintheU.S.eachyear.SymptomsBecauseglioblastomasgrowquickly,pressureonthebrainusuallycausesthefirstsymptoms.Dependingonwherethetumoris,itcancause:ConstantheadachesSeizuresVomitingTroublethinkingChangesinmoodorpersonalityDoubleorblurredvisionTroublespeaking DiagnosisAneurologist(adoctorwhospecializesindiagnosingandtreatingbraindisorders)willgiveyouacompleteexam.YoumaygetanMRIorCTscanandothertests,dependingonyoursymptoms.TreatmentThegoalofglioblastomatreatmentistoslowandcontroltumorgrowthandhelpyouliveascomfortablyandaswellaspossible.Therearefourtreatments,andmanypeoplegetmore