Eating Disorders as Assessed by Cranial Computerized Tomography (CCT, dSPECT, PET)
Anorexia nervosa and bulimia nervosa are eating disorders which preferentially occur in female adolescents and young female adults who live in the western civilization. The prominent psychopathological symptoms are being overly concerned with one’s shape and the fear of gaining weight or being too fat. To lose weight, the patients reduce their food intake, often in combination with extensive exercising, self-induced vomiting or abuse of diuretics and laxatives. If the patients become underweight, the full clinical picture of an anorexia nervosa emerges. Periods of dieting or fasting may be interrupted by bulimic episodes (i.e. the consumption of large amounts of often high caloric food), which are usually followed by self-induced vomiting or other purging behavior. The bulimic episodes may counterbalance the effect of dieting, resulting in the maintenance of a more or less normal body weight. Thus, patients with the clinical diagnosis of a bulimia nervosa display an anorectic attitude and eating behavior without being emaciated. Table 1 gives the diagnostic criteria of anorexia and bulimia nervosa according to the Diagnostic and Statistical Manual of Mental Disorders, Third Edition, Revised (DSM-III-R, 1987).
KeywordsAnorexia Nervosa Eating Disorder Bulimia Nervosa Anorexic Patient Regional Cerebral Glucose Metabolism
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