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New study on navigated transcranial magnetic stimulation for mapping the motor cortex in patients with rolandic brain tumors.

03 April 2013

HELSINKI, Finland—April 3, 2013--New study Navigated transcranial magnetic stimulation for mapping the motor cortex in patients with rolandic brain tumors on the accuracy and usefulness of the NBS System for mapping the motor cortex in patients with rolandic brain tumors. In the article authored by Takahashi S, Vajkoczy P, Picht T. from the Department of Neurosurgery, Charité-Universitätsmedizin Berlin, Germany, a systematic search was used to retrieve 11 reports published up to October 2012 in which adult patients were examined with the NBS System prior to surgery.  The abstract concluded that, "nTMS correlated well with the gold standard of DES" and that, based on the data obtained in 87 patients in 2 studies, "nTMS results changed the surgical strategy based on anatomical imaging alone in 25.3% of all patients."  The authors concluded that " The nTMS technique spatially correlates well with the gold standard of DES. Its functional information benefits surgical decision making and changes the treatment strategy in one-fourth of cases."

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