chronic undifferentiated schizophrenia

chronic undifferentiated schizophrenia

a condition marked by the symptoms of more than one of the classic types of schizophrenia-simple, paranoid, or catatonic. See also acute schizophrenia.
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A 68-year-old man with chronic undifferentiated schizophrenia who had resided in a nursing home for approximately 1 year suddenly began expressing delusions that he had been a Secret Service agent.
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