title: Shared psychotic manic syndrome in monozygotic twins: a case report.
abstract: OBJECTIVE
  A rare phenomenon of Shared Psychosis Disorder occurring in the context of Bipolar I Disorder, in identical twins is reported.
  
  
  METHODS
  Two identical twins with shared Psychotic Manic Syndrome were admitted and received antipsychotic and lithium as their treatment. Psychotic symptoms of primary case did not improve and her diagnosis changed into Schizophrenia. They had hypothyroidism at the same time.
  
  
  CONCLUSIONS
  Completely shared manic syndrome along with the psychotic features shows a need for the criteria of shared syndromes to develop, including both psychotic and mood symptoms.
authors.affiliation: Psychiatric Resident, Mental Health Research Centre, Tehran Psychiatric Institute, Tehran University of Medical Sciences, Tehran, Iran.
authors.forename: Mohammad Reza
authors.initials: MR
authors.lastname: Ghasemzadeh
authors.affiliation: Assistant Professor of psychiatry , Mental Health Research Centre, Tehran Psychiatric Institute, Tehran University of Medical Sciences, Tehran, Iran.
authors.forename: Mohammad
authors.initials: M
authors.lastname: Ghadiri Vasfi
authors.affiliation: Assistant Professor of psychiatry , Mental Health Research Centre, Tehran Psychiatric Institute, Tehran University of Medical Sciences, Tehran, Iran.
authors.forename: Shabnam
authors.initials: S
authors.lastname: Nohesara
authors.affiliation: Associate Professor of psychiatry, Mental Health Research Centre, Tehran Psychiatric Institute, Tehran University of Medical Sciences, Tehran, Iran.
authors.forename: Amir
authors.initials: A
authors.lastname: Shabani
keywords: Identical twin; Mania; Shared Psychotic Disorder