Schizotypal Personality Disorder

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Individuals with schizotypal personality disorder have odd thoughts, affects, perceptions, and beliefs.

Epidemiology
Lifetime prevalence is 3% of the general population.

Etiology
Studies demonstrate interfamilial aggregation of this disorder, especially among first-degree relatives of schizophrenics. 

Clinical Manifestations
History and Mental Status Examination
Schizotypal personality disorder is best thought of as similar to schizophrenia but less severe and without sustained psychotic symptoms. People with this disorder have few relationships and demonstrate oddities of thought, affect, perception, and belief Many are highly distrustful and often paranoid, which results in a very constricted social world. The lifetime suicide rate among this population is 10%.

Differential Diagnosis
Schizophrenia, delusional disorder, and mood disorder with psychosis are the major differential diagnoses.

RELATED STORIES:
Antisocial Personality Disorder (ASP)   Borderline Personality Disorder   Schizoid Personality Disorder   Dependent Personality Disorder   Histrionic Personality Disorder   Avoidant Personality Disorder   Paranoid Personality Disorder   Narcissistic Personality Disorder   Advances in treatment of borderline personality disorder   Personality Disorders   Personality Disorders: Management   Obsessive-Compulsive Personality Disorder

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