Specifically, grandiose delusions are frequently found in paranoid schizophrenia, in which a person has an extremely exaggerated sense of his or her significance, ...GrandiosedelusionsFromWikipedia,thefreeencyclopediaJumptonavigationJumptosearch"Delusionsofgrandeur"redirectshere.Forotheruses,seeDelusionsofgrandeur(disambiguation).Forotheruses,seeMegalomania(disambiguation).Nottobeconfusedwithgrandiosityorillusorysuperiority.SubtypeofdelusionMedicalconditionGrandiosedelusionsOthernamesExpansivedelusionsPeoplesufferingfromgrandiosedelusionswronglyholdthemselvesatanextraordinarilyhighstatusintheirmind.SpecialtyPsychiatryGrandiosedelusions(GD),alsoknownasdelusionsofgrandeurorexpansivedelusions,[1]areasubtypeofdelusionthatoccurinpatientssufferingfromawiderangeofpsychiatricdiseases,includingtwo-thirdsofpatientsinmanicstateofbipolardisorder,halfofthosewithschizophrenia,patientswiththegrandiosesubtypeofdelusionaldisorder,andasubstantialportionofthosewithsubstanceabusedisorders.[2][3]GDsarecharacterizedbyfantasticalbeliefsthatoneisfamous,omnipotent,wealthy,orotherwiseverypowerful.Thedelusionsaregenerallyfantasticandtypicallyhaveareligious,sciencefictional,orsupernaturaltheme.ThereisarelativelackofresearchintoGD,incontrasttopersecutorydelusionsandauditoryhallucinations.About10%ofhealthypeopleexperiencegrandiosethoughtsbutdonotmeetfullcriteriaforadiagnosisofGD.[3]Contents1Signsandsymptoms1.1Positivefunctions1.2Comorbidity1.2.1Schizophrenia1.2.2Bipolardisorder2Cause3Anatomicalaspects4Diagnosis5Treatment6Epidemiology6.1Prevalence7Seealso8ReferencesSignsandsymptoms[edit]AccordingtotheDSM-IV-TRdiagnosticcriteriafordelusionaldisorders,grandiose-typesymptomsincludeastronomicallyexaggeratedbeliefsof:self-worthpower[4]knowledgeidentityexceptionalrelationshiptoadeityorfamousperson.[5]Forexample,apatientwhohasfictitiousbeliefsabouthisorherpowerorauthoritymaybelievehimselforherselftobearulingmonarchwhodeservestobetreatedlikeroyalty.[6]Therearesubstantialdifferencesinthedegreeofgrandiosit