Diagnostic errors in uncommon conditions: a systematic review of case reports of diagnostic errors.

https://psnet.ahrq.gov/issue/diagnostic-errors-uncommon-conditions-systematic-review-case-reports-diagnostic-errors Atypical presentation of common conditions or typical presentation or rare conditions may result in delayed diagnosis and treatment. This article uses 560 case reports to classify contributing factors to diagnostic errors in rare conditions and/or atypical presentations of common conditions. The results indicate that for less common and more atypical conditions, failure or delay in considering the final diagnosis becomes an increasingly important contributor to diagnostic error.