Presents theoretical underpinnings for the understanding of perversion and violence, questions of risk and ethics and the institutional difficulties which emerge in the care of the patients alongside chapters on clinical work, with adults and adolescents, including chapters on the compulsive use of internet pornography and transsexuality.

Introduction -- The Portman Clinic -- The problem of certain psychic realities -- The internal couple and the Oedipus complex in cases of perversion -- Psychoanalytic contributions to risk assessment and management -- Psychoanalytical aspects to the risk of containment of dangerous patients treated in high security -- Perverse females -- From biting teeth to biting wit -- Brief communications from the edge -- Compulsive use of virtual sex and internet pornography -- Trans-sexuality -- Perverse patients' use of the body—their own and that of others -- Ethical problems treating paedophile patients -- The forensic network and the internal world of the offender 1