Narcissistic personality disorder
Narcissistic personality disorder (NPD) is identified as a personality disorder characterized by an extreme focus on oneself. It is a maladaptive, rigid, and persistent condition that may influence significant interpersonal distress, as well as social impairment . The term was first used by Heinz Kohut  and is a core psychopathology acknowledged in the Diagnostic and Statistical Manual of Mental Disorders. 
Note: The American Psychiatric Association, which publishes the Diagnostic and Statistical Manual of Mental Disorders, forbids the unauthorized reproduction of their diagnostic criteria. A narrative of the DSM-IV-TR criteria follows.
- Kohut, H. (1971). The Analysis of the Self
- American Psychiatric Association. (2000). Diagnostic and Statistical Manual of Mental Disorders. American Psychiatric Press: Washington DC
|Cluster A (Odd): Schizotypal | Schizoid | Paranoid|
Cluster B (Dramatic): Antisocial | Borderline | Histrionic | Narcissistic
Cluster C (Anxious): Dependent | Obsessive-Compulsive | Avoidant