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SCIENTIFIC LITERATURE · MED

Frontotemporal Dementia-Parkinsonism Due to <i>MAPT</i> Gene Variant Presenting with Rest and Action Tremor.

Tremor Other Hyperkinet Mov (N Y) · 2023-09-21

DOI: 10.5334/tohm.804PMID: 37746582

Open accessresearch-article; Journal Article; Case ReportsOriginal source ↗

Research overview

The text below is the source article’s original abstract under a verified reuse license. cc by

A 50-year-old male presented with a four-year history of gradually progressive rest tremor in the distal right lower limb and then spreading to the left lower limb in last 10-12 months. He developed right arm rest and action tremor two years later. Magnetic resonance imaging scans showed progressive frontotemporal and asymmetrical mesial temporal atrophy. Genetic testing revealed a heterozygous c.915+16C>T pathogenic variant in intron 9 of the MAPT gene. Presentation with rest tremor should not exclude frontotemporal dementia-parkinsonism due to a MAPT variant as a differential diagnosis though rest tremor is a rare presentation.

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