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Hypothyroidism-induced Reversible Encephalopathy as a Cause of Aggravation of Parkinsonism and Myoclonus in Parkinson’s Disease

Ehm, Gwanhee; Kim, Han-Joon; Jeon, Beomseok

Background: Myoclonus and encephalopathy are unusual in patients with Parkinson’s disease (PD).

Case report: We describe the case of a 59-year-old male with PD who developed myoclonus and encephalopathy. Underlying hypothyroidism was revealed after admission and treated with levothyroxine. Myoclonus and encephalopathy were completely resolved following thyroid hormone replacement.

Discussion: Hypothyroidism can cause reversible myoclonus and encephalopathy along with unusual aggravation of parkinsonism symptoms in patients with PD.

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Title
Tremor and Other Hyperkinetic Movements
DOI
https://doi.org/10.7916/D8BP0F9F

More About This Work

Academic Units
Center for Parkinson's Disease and Other Movement Disorders
Published Here
November 30, 2017