Although the finding on gray matter volume loss while running is astonishing, Dr. Schütz said, it is not cause for alarm.
"Despite substantial changes to brain composition during the catabolic stress of an ultramarathon, we found the differences to be reversible and adaptive," he said. "There is no lasting brain injury in trained athletes participating in ultra-running."
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Co-authors on the study are Christian Billich, M.D., Jutta Ellermann, M.D., Ph.D., Martin Ehrhardt, M.D., Daniel Schoss, M.D., Martin Brix, M.D., Siegfried Trattnig, M.D., Ph.D., Sabine Goed, M.D., Antje Reiner, M.D., and Meinrad J. Beer, M.D., Ph.D.
Note: Copies of RSNA 2015 news releases and electronic images will be available online at RSNA.org/press15 beginning Monday, Nov. 30.
RSNA is an association of more than 54,000 radiologists, radiation oncologists, medical physicists and related scientists, promoting excellence in patient care and health care delivery through education, research and technologic innovation. The Society is based in Oak Brook, Ill. (RSNA.org)
For patient-friendly information on MRI, visit RadiologyInfo.org.
SOURCE Radiological Society of North America (RSNA)
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