Long-term clinical follow-up of a patient with non-paraneoplastic cerebellar ataxia associated with anti-mGluR1 autoantibodies
2018
Abstract The clinical features of cerebellar ataxia associated with anti-metabotropic glutamate receptor 1 (mGluR1) autoantibodies, a rare autoimmune-mediated cerebellar ataxia, remain to be elucidated. Here, we describe a patient with non-paraneoplastic cerebellar ataxia associated with anti-mGluR1 autoantibodies, who was followed up over 5 years. She presented with relapses and remissions of subacute progressive cerebellar ataxia that were responsive to immunotherapy. Although serum anti-mGluR1 autoantibodies were continuously detected and cerebellar atrophy gradually progressed, repeated intravenous immunoglobulin therapy and oral immunosuppressants ensured cerebellar ataxia remained at almost the same level during the observation period.
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