ArticleTremor and other hyperkinetic movements (New York, N.Y.)2025
Chorea After MR-Guided Focused Ultrasound Thalamotomy.
Article in Tremor and other hyperkinetic movements (New York, N.Y.), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: Magnetic resonance-guided focused ultrasound thalamotomy (MR-FUS) is a promising, noninvasive treatment for medically refractory essential tremor (ET). It is well tolerated, with the most common side effects being sensory and gait disturbances. Case Report: A 69-year-old man presented with orofacial dyskinesias, left hemichorea, and motor impersistence 1 week after MR-FUS of the right ventralis intermedius nucleus for ET. MRI brain demonstrated right ventral thalamus T2 hyperintensity with inferolateral extension abutting the subthalamic nucleus (STN). Discussion: Chorea is a rare side effect of MR-FUS, but may be present with inferolateral lesions extension to the STN, disrupting the indirect pathway.
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