• D Bochereau, P Clervoy, M Corcos, and N Girardon.
• Service de Psychiatrie de l'Adolescent et du Jeune Adults, Institut Mutualiste Montsouris, Paris.
• Presse Med. 1999 Jan 16; 28 (2): 89-99.

Epidemiological DataAnorexia nevrosa is mainly observed in young women in the 15-24 year age range. The incidence is 1 to 2% in the general population of female adolescents. The sex ratio is 9 girls for 1 boy.Symptom TriadThree symptoms predominate in anorexia nevrosa: weight loss, anorexia, amenorrhea. Weight loss results from restrictive eating behavior and not from a loss of appetite.Clinical DiagnosisDiagnosis is clinical and confirmed by an analysis of the underlying psychological conflicts which involve difficulty in accepting the female identity and in assuming self-sufficiency outside the family. The clinician should evaluate the quality of the familial environment, particularly the mother-daughter and father-daughter relationship as well as the social environment (school, friends) which is also needed to apprehend the global situation. Physical examination and laboratory tests are aimed at rapidly eliminating any differential diagnosis and to quantify the weight loss and its rate, and identify any nutritional disorders.EtiologyAnorexia nevrosa is not a truly structured psychopathological disorder but rather a loss of a stable organization of Self, with a highly vulnerable narcissistic element and precarious neurotic defences.Clinical CourseThe risk of poor outcome is very real, sometimes life threatening. The treatment of choice is to implement analytical management as soon as possible, but outside acute episodes.

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