RESUMEN
Trichotillomania [TR] is a form of traction alopecia resulting from compulsive repetitive removal of one's own hair. To describe the clinical and psychological characteristics of patients with Trichotillomania. Descriptive case-series study. The dermatology clinic in Mosul Teaching Hospital, during the period of one year [1996]. Participants: Thirty patients were diagnosed to have TR among all attendants to the clinic, during the span of the study period of one year. Clinical assessment of the lesion and psychological background of patients using the psychoneurotic profile [Crown-Crisp Experiential Index] [CCEI]. Two third of the patients were under the age of 20 years. TR affects more females than males with a ratio of 2:1.The lesions are usually multiple scalp lesions that are moderately large In size. Separation from one's own family [one third of patients] and emotionally sensitive personality [one sixth of patients] are the common precipitating factors. Patients are inclined to show obsessive, hysterical and depressive attitudes