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Successful Pallidal Stimulation in a Patient with KMT2B-Related Dystonia
Article in 0 | WPRIM | ID: wpr-836181
Responsible library: WPRO
ABSTRACT
Although the KMT2B gene was identified as a causative gene for early-onset generalized dystonia, the efficacy of deep brain stimulation (DBS) in KMT2B-related dystonia has not been clearly elucidated. Here, we describe a 28-year-old woman who developed generalized dystonia with developmental delay, microcephaly, short stature, and cognitive decline. She was diagnosed with KMT2B- related dystonia using whole-exome sequencing with a heterozygous frameshift insertion of c.515dupC (p.T172fs) in the KMT2B gene. Oral medications and botulinum toxin injection were not effective. The dystonia markedly improved with bilateral pallidal DBS (the Burke-Fahn-Marsden Dystonia Rating Scale score was reduced from 30 to 5 on the dystonia movement scale and from 11 to 1 on the disability scale), and she could walk independently. From this case, we suggest that bilateral globus pallidus internus DBS can be an effective treatment option for patients with KMT2B-related generalized dystonia.
Full text: 1 Index: WPRIM Type of study: Prognostic_studies Language: 0 Journal: Journal of Movement Disorders Year: 2020 Type: Article
Full text: 1 Index: WPRIM Type of study: Prognostic_studies Language: 0 Journal: Journal of Movement Disorders Year: 2020 Type: Article