Opsoclonus-myoclonus syndrome and limbic encephalitis associated with GABAB receptor antibodies in CSF.

We report a case of a woman who had two consecutive autoimmune neurological disorders, including an opsoclonus-myoclonus syndrome (OMS) and limbic encephalitis (LE), with positive titers of GABAB receptor antibodies. The patient never developed seizures or had an underlying tumor after 4 years of follow-up.