Central nervous system involvement in infectious mononucleosis with studies for Epstein-Barr virus

Neurologic complications in three girls, aged four, fourteen and fifteen years, with infectious mononucleosis are reported. All three patients had meningoencephalitis, in two of them cerebellar involvement predominated, while the third patient had cerebral involvement with paresis of cerebral nerves. The diagnosis of an Epstein-Barr virus infection was established serologiccally and in the first patient also by the detection of the Epstein-Barr virus.