The Journal Diagnosis & Treatment (ISSN 1413-9979) is intended to provide medical update, based on the best evidence available, in articles written by experts. His articles are indexed in the Lilacs database (Latin American and Caribbean Health Sciences). original articles are accepted (clinical trials, cohort studies, case-control studies, systematic reviews, cross-sectional studies, economic evaluations), case studies, narrative reviews of the literature (update articles) and letters to the editor, which should be framed in editorial standards of manuscripts submitted to biomedical journals (the International Committee of Medical Journal Editors1).