Tremor and other hyperkinetic movements (New York, N.Y.) · 2025
Chorea After MR-Guided Focused Ultrasound Thalamotomy.
Клинический случайСтатьяНазвание и аннотация: Перевод в очереди
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Hooshmand Sara J, Liu Tina, Ali Rushna, Kaufmann Timothy, Lehman Vance, Klassen Bryan, Jackson Lauren
Аннотация
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.
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.