 agarose gel electrophoresis revealed oligoclonal bands in the gamma region which were not seen on the serum sample. Beta-2 microglobulin was unremarkable. An abnormal left tibial somatosensory evoked potential was noted consistent with central conduction slowing. Visual and Brainstem Auditory evoked potentials were normal. HTLV-1 titers were negative. CSF cultures and cytology were negative. She was not treated with medications as her symptoms were primarily sensory and non-debilitating, and she was discharged home.