<prompt> All of the following Personality disorders can be associated with bipolar disorder except:AntisocialAnakasticBorderlineNarcissistic  <response>: The three most frequent PDs were obsessive-compulsive PD, borderline PD, and narcissistic bipolar or avoidant unipolar PD. Cluster C PDs and especially avoidant PD occurred significantly more frequently in unipolar than in bipolar patients, while narcissistic PD occurred significantly more often in bipolar than in unipolar patients. Ref: Brieger P, Eh U, Marneros A. Frequency of Personality disorders in bipolar and Unipolar affective disorders. Compr Psychiatry, 2003, Jan-Feb 441: 28-34. 