Traumatic Encephalopathy Syndrome Criteria Poor for Predicting CTE

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By Elana Gotkine HealthDay Reporter

Medically reviewed by Carmen Pope, Senior Medical Editor, B. Pharm. Last updated on May 20, 2026.

via HealthDay

WEDNESDAY, May 20, 2026 -- Traumatic encephalopathy syndrome (TES) has poor performance for predicting chronic traumatic encephalopathy neuropathological change (CTE-NC), according to a study published online May 14 in Nature Medicine.

John D. Arena, M.D., from the University of Pennsylvania in Philadelphia, and colleagues reviewed antemortem clinical records for 1,038 cases in a neurodegenerative brain bank to examine the diagnostic accuracy of TES criteria for predicting CTE-NC. In all cases, neuropathological evaluation for CTE-NC was then conducted.

The researchers found that 25 cases (2.4 percent) met the criteria for TES diagnosis, six of which demonstrated CTE-NC (positive predictive value, 24.0 percent). CTE-NC was present in seven of the remaining 1,013 cases (0.69 percent). The diagnostic accuracy of TES for CTE-NC was due to exposure to repetitive head impacts as opposed to clinical features. No differences were seen in the prevalence of core or supportive clinical features of TES among CTE-NC cases versus a matched sample.

"Before we can responsibly diagnose CTE in living patients, we need a much clearer understanding of how the disease develops and which symptoms it truly causes," Arena said in a statement. "The necessary next step is prospective longitudinal research that follows people during life, carefully documents head injury exposures and symptoms, and then assesses for neuropathology after death."

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Disclaimer: Statistical data in medical articles provide general trends and do not pertain to individuals. Individual factors can vary greatly. Always seek personalized medical advice for individual healthcare decisions.

Source: HealthDay

Posted : 2026-05-21 03:09

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