Cluster D of personality disorders

Cluster D of personality disorders (chaotic, unstable) are often associated with Catathymia due to their tendency for emotional instability (as well as signs of Delirium), Catatoid and Catatypal Personality Disorders are often linked to organic causes, but they are still considered as conditions of Personality rather than pure mental disorders.
* Borderline Personality Disorder: pervasive pattern of abrupt mood swings, instability in relationships, self-image, identity, behavior and affect, often leading to self-harm and impulsivity.
* Catatoid Personality Disorder: pervasive pattern of dependence on others, hedonistic lifestyle, extreme stereotypical perceptions, uncontrolled obnoxious behavior, bizarre behavior and unstable mood. 
* Catatypal Personality Disorder: pervasive pattern of bizarre behaviors, strange perceptions, inability placing oneself in time and place as well as poor sense of identity, unexplained food restrictions and deterioration of relationships.