Narcissistic personality disorder
From Wikipedia,
http://en.wikipedia.org/wiki/Narcissistic_personality_disorderNarcissistic personality disorder (NPD) is a personality disorder defined by the Diagnostic and Statistical Manual of Mental Disorders, the diagnostic classification system used in the United States, as "a pervasive pattern of grandiosity, need for admiration, and a lack of empathy." <1>
The narcissist is described as turning inward for gratification rather than depending on others and as being excessively preoccupied with issues of personal adequacy, power and prestige.<2> Narcissistic personality disorder is closely linked to self-centeredness.
DSM criteria
A pervasive pattern of grandiosity (in fantasy or behavior), need for admiration, and lack of empathy, beginning by early adulthood and present in a variety of contexts, as indicated by five (or more) of the following:
1. has a grandiose sense of self-importance
2. is preoccupied with fantasies of unlimited success, power, brilliance, beauty, or ideal love
3. believes that he or she is "special" and unique
4. requires excessive admiration
5. has a sense of entitlement
6. is interpersonally exploitative
7. lacks empathy
8. is often envious of others or believes others are envious of him or her
9. shows arrogant, haughty behaviors or attitudes