We report a case of relapsing-remitting opsoclonus-myoclonus-ataxia syndrome (OMAS) in a patient with Hashimoto's encephalopathy, diagnosed after comprehensive evaluation. OMAS as a manifestation of Hashimoto's encephalopathy has been reported once previously. It is hoped that recognition of this entity and early initiation of immunotherapy will improve clinical outcomes for patients.
Keywords: Ataxia; Hashimoto's encephalopathy; Myoclonus; Opsoclonus; Steroid-responsive encephalopathy associated with autoimmune thyroiditis (SREAT).
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