"Polr3a-İlgili Tremor-ataksi Sendromunda Tremor için Thalamus Ventral Ara Nükleusunun Derin Beyin Stimülasyonu: İki Durumlu Bir Rapor".

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Clinical vignetteRNA polymerase III subunit A (POLR3A) related disorders are a group of heterogeneous diseases with a recessive autosomic inheritance. These disorders manifest with distinct clinical features like ataxia, spasticity, hypodontia, hypogonadism, mental retardation and progressive motor decline.Clinical dilemmaPOLR3A gene mutation can manifest with parkinsonism, dystonia, ataxia and tremor. Deep brain stimulation (DBS) might be effective for motor symptoms. Choosing the best DBS target is essential for successful treatment.Case reports and clinical solutionTwo subjects with a predominant tremorous syndrome due to POLR3A gene mutation with no response to pharmacological treatment underwent DBS at ventral intermediate nuclei (Vim DBS) of thalamus, with significant improvement in tremor.Gap in knowledgeTremor in POLR3A gene mutation could respond to Vim DBS.

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