Objective Research evidence suggests the need to identify treatments based on a more precise characterization of psychopathology and psychiatric comorbidity in anorexia nervosa. Network analysis provides a new method to conceptualize psychopathology. We use this approach to investigate the relationships between eating disorder and general psychiatric symptoms in adolescents with anorexia nervosa. Methods Four‐hundred and five adolescents with anorexia nervosa and illness duration less than 3 years were consecutively recruited from those admitted to inpatient treatment. They completed the following questionnaires: the Eating Disorder Inventory‐3, the Multidimensional Anxiety Scale for Children, the Children's Depression Inventory, and the Youth Self Report. A network analysis was conducted, including eating psychopathology measures, anxiety and depressive symptoms, and obsessive–compulsive and post‐traumatic stress problems. We employ a novel approach, the bridge function, to identify symptom clusters. Results Depression symptoms and personal alienation were the nodes with the highest centrality in the network, followed by asceticism, post‐traumatic stress problems, drive to thinness, low self‐esteem, and anxiety physical symptoms. Three symptom clusters (relative to eating disorder psychopathology, self‐esteem problems, and internalizing difficulties) were identified. Depression symptoms, personal alienation, low self‐esteem, and interoceptive deficits showed the highest bridge centrality. Besides eating disorder core symptoms, negative affect and internalizing symptoms seem to contribute to anorexia nervosa psychopathology independently from illness duration effects. Discussion These findings suggest that anorexia nervosa is characterized by a broad psychopathological spectrum rather than the mere eating disorder core symptoms, confirm the need to re‐conceptualize psychiatric comorbidity in this disorder, and provide intriguing diagnostic and therapeutic implications.

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The main objective of the study was to prospectively assess if the prevalence of celiac disease (CD) in patients with anorexia nervosa (AN) is higher than that reported in the general population to require a regular screening program. The study was conducted at the Neuropsychiatry Unit of "Bambino Gesù" Children's Hospital in Rome from January 2005 to December 2010. All patients with diagnosis of AN according to the Diagnostic and Statistical Manual of Mental Disorders 4th edition criteria were screened for CD. One hundred and seventy-seven patients (33 males and 144 females) were enrolled. Only one patient was found to be affected with CD as confirmed by intestinal biopsy. The overall prevalence of CD in AN patients was 0.6 % which is similar to that observed in the general population. In conclusion, AN patients do not seem to require a regular screening program for CD. The screening for CD may be useful in selected AN patients in which the symptoms are only partially responding to psychiatric interventions.

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This study aimed to examine the presence of Autism Spectrum Disorder (ASD) in a sample of female adolescents with Anorexia Nervosa (AN) during the acute phase of illness. We also compare the level of autistic traits, social perception skills and obsessive-compulsive symptoms in four groups: AN, ASD, and two gender- and age-matched control groups. Of the 30 AN participants, only three scored above the conventional ADOS-2 threshold for ASD. The AN participants were similar to their controls on autistic trait measures, and to the ASD group on obsessive-compulsive measures, and on theory of mind ability and affect recognition measures. Further longitudinal studies are needed in order to determine the association between these conditions.