Completeness of callosotomy shown by magnetic resonance imaging in the long term

J. E. Bogen, D. H. Schultz and P. J. Vogel
Department of Neurological Surgery, University of Southern California, Los Angeles 90024.

Six individuals who had complete cerebral commissurotomy for medically intractable epilepsy participated in a magnetic resonance imaging study 20 or more years postoperatively. In all cases the completeness of callosotomy was clearly demonstrable. The status of the anterior commissure, cut in all six, could not be confirmed with the same confidence.

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