Anorexia nervosa and Wernicke Korsakoff's syndrome: atypical presentation by acute psychosis.

A 16-year-old girl was admitted to the emergency department because of acute changes in mental state such as paranoid and nihilistic delusions, confabulations, and distortions of body schema perception. Her history was compatible with anorexia nervosa in that she had lost more than 17 kg in weight over one and a half years. Her body mass index was 14.