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Virtual biopsy may allow earlier diagnosis of brain disorder in athletes
Date:12/1/2010

CHICAGO In a study of ex-pro athletes, researchers found that a specialized imaging technique called magnetic resonance spectroscopy (MRS) may help diagnose chronic traumatic encephalopathy (CTE), a disorder caused by repetitive head trauma that currently can only be definitively diagnosed at autopsy. Results of the study were presented today at the annual meeting of the Radiological Society of North America (RSNA).

"The devastating effects of brain injuries suffered by pro football players who repeatedly suffered concussions and subconcussive brain trauma during their careers have put the spotlight on CTE," said Alexander P. Lin, Ph.D., a principal investigator at the Center for Clinical Spectroscopy at Brigham and Women's Hospital in Boston. "However, blows to the head suffered by all athletes involved in contact sports are of increasing concern."

According to the Centers for Disease Control and Prevention, an estimated 3.8 million sports- and recreation-related concussions occur in the U.S. each year. In addition, subclinical concussionsinjuries that cannot be diagnosed as concussions but have similar effectsare often unrecognized.

Studies have shown that individuals who suffer repetitive brain trauma are more likely to experience ongoing problems, from permanent brain damage to long-term disability.

CTE is a degenerative brain disease caused by repeated brain trauma and marked by a buildup of abnormal proteins in the brain. CTE has been associated with memory difficulty, impulsive and erratic behavior, depression and eventually, dementia.

"Cumulative head trauma invokes changes in the brain, which over time can result in a progressive decline in memory and executive functioning in some individuals," Dr. Lin said. "MRS may provide us with noninvasive, early detection of CTE before further damage occurs, thus allowing for early intervention."

In Dr. Lin's study, conducted in collaboration with the Bosto
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Contact: Linda Brooks
lbrooks@rsna.org
630-590-7762
Radiological Society of North America
Source:Eurekalert

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