Subacute cerebellar syndrome and Hashimoto's thyroiditis. Association or simple coincidence?

Numerous neurological symptoms have been observed in thyroid autoimmune disorders. The case of a 47-year-old euthyroid woman who develops a cerebellar syndrome associated with thyroiditis is discussed. Reference is made to the favorable outcome of combined per os thyroxine, corticosteroid and intravenous human normal immunoglobulin (Sandoglobulin) treatment.