[Borderline and narcissistic personality disorder--fashionable concepts or approaches to a new etiopathogenic and therapeutic understanding?].

On the basis of the experience in own clinical practice with severe disturbance of personality and literature of this time about neurosis conceptional reflections are discussed the terms "borderline" and "narcissism". It is pointed out, that the described terms stimulate to psychological understanding of classes of abnormal personalities and to psychotherapy of these patients.