A Case of Hashimoto's Encephalopathy Manifesting as Psychosis

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Sir: A high rate of autoimmune thyroiditis not associatedwith lithium treatment has been reported in patients with psychiatricdisorders.^1,2 Hashimoto’s encephalopathy is a rare subacutecondition associated with high levels of thyroid antibodies thatusually presents with neurologic symptoms. A few cases of thisillness manifesting with predominant psychiatric symptoms havebeen reported.^3-5