This article reviews historical contributions to the conceptualisation of narcissism and narcissistic personality disorder (NPD), including its evolution as a clinical diagnosis within the DSM classification of mental disorders. It discusses the epidemiology and aetiology of NPD, noting that empirical studies of both are limited. The challenges of managing patients with prominent narcissistic traits are presented, and the psychological therapies specifically designed for the treatment of patients with NPD are summarised.. To read the full article, log in using your MPFT NHS OpenAthens details. SSOTP (legacy account) - You can request a copy of this article by replying to this email. Please ensure you are clear which article you are requesting.