Brain tumors can cause any type of psychiatric symptoms. Rarely, brain tumors can present without any localizing signs but with psychiatric symptoms. A review of the literature indicates that there is no association between psychiatric symptoms and tumor location or histological type. Hence, it is important for clinicians to have an index of suspicion of brain tumor in patients with new-onset psychiatric symptoms, atypical presentations and treatment resistance and, as a result, consider neuroimaging. Early detection is of paramount importance for treatment and quality of life of patients. Mood symptoms may herald a brain tumor. For example, anorexia can be a presenting symptom of hypothalamic tumors. A prospective controlled study will be of benefit to further assess the association between psychiatric symptoms and brain tumor locations. New developments in the diagnostic and treatment area of brain tumors would be of help in undertaking such a prospective study.
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