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  • Title: Safe surgery of lesions near the motor cortex using intra-operative mapping techniques: a report on 50 patients.
    Author: Ebeling U, Schmid UD, Ying H, Reulen HJ.
    Journal: Acta Neurochir (Wien); 1992; 119(1-4):23-8. PubMed ID: 1481748.
    Abstract:
    In 50 patients lesions located in or adjacent to the motor strip were microsurgically removed with the help of intra-operative electrophysiological mapping of the sensorimotor cortex. Mapping consisted of cortical stimulation and/or recording of somatosensory evoked potentials. Depending on the patient's pre-operative neurological status, surprisingly good results could be achieved: The surgery resulted in increased permanent sensorimotor deficit in only 4% of cases and in improved neurological status in 30% of cases. It is concluded that surgical removal of centrally located lesions using a microsurgical technique and intra-operative mapping of the motor cortex is safe and permits extensive or radical resection of lesions, even those in the motor cortex itself.
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