• Teena Shetty, Avtar Raince, Erin Manning, and Apostolos John Tsiouris.
• Hospital for Special Surgery, New York, New York shettyt@hss.edu.
• Sports Health. 2016 Jan 1; 8 (1): 26-36.

ContextThe diagnosis of chronic traumatic encephalopathy (CTE) can only be made pathologically, and there is no concordance of defined clinical criteria for premorbid diagnosis. The absence of established criteria and the insufficient imaging findings to detect this disease in a living athlete are of growing concern.Evidence AcquisitionThe article is a review of the current literature on CTE. Databases searched include Medline, PubMed, JAMA evidence, and evidence-based medicine guidelines Cochrane Library, Hospital for Special Surgery, and Cornell Library databases.Study DesignClinical review.Level Of EvidenceLevel 4.ResultsChronic traumatic encephalopathy cannot be diagnosed on imaging. Examples of imaging findings in common types of head trauma are discussed.ConclusionFurther study is necessary to correlate the clinical and imaging findings of repetitive head injuries with the pathologic diagnosis of CTE.© 2015 The Author(s).

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