Eating disorder not otherwise specified characterized by either of the other established disorders. People with EDNOS have similar symptoms and behaviors to those with anorexia and bulimia, and can face the same dangerous risks. EDNOS is the most prevalent eating disorder; about 60% of adults treated for eating disorders are diagnosed with EDNOS. EDNOS occurs in both sexes. Rather than providing specific diagnostic criteria for EDNOS, the fourth revision of the "Diagnostic and Statistical Manual of Mental Disorders" (DSM-IV) listed six non-exhaustive example presentations, including individuals who: Despite its subclinical status in DSM-IV, available data suggest that EDNOS is no less severe than the officially
Eating disorder scans have been used to detect cases in which a lesion, tumor or other organic condition has been either the sole causative or contributory factor in an eating disorder. "Right frontal intracerebral lesions with their close relationship to the limbic system could be causative for eating disorders, we therefore recommend performing a cranial MRI in all patients with suspected eating disorders" (Trummer M "et al." 2002), "intracranial pathology should also be considered however certain is the diagnosis of early-onset anorexia nervosa. Second, neuroimaging plays an important part in diagnosing early-onset anorexia nervosa, both from a clinical and a research prospective".(O'Brien