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Axial Sensory Tricks in Chorea–Acanthocytosis: Insights into Phenomenology

Bhidayasiri, Roongroj; Jitkritsadakul, Onanong; Walker, Ruth H.

Background: Trunk flexion and axial extension are characteristic symptoms of chorea–acanthocytosis (ChAc).

Phenomenology Shown: A 41-year-old male with ChAc (confirmed by VPS13A mutations) reported that his involuntary axial movements were significantly ameliorated by either folding his arms over his chest or putting his hands behind his head.

Educational Value: These apparent “sensory tricks” suggest a dystonic pathophysiology, and also merit further study to analyze their potential for symptom control in ChAc.

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Title
Tremor and Other Hyperkinetic Movements
DOI
https://doi.org/10.7916/D8PV6RWW

More About This Work

Academic Units
Center for Parkinson's Disease and Other Movement Disorders
Published Here
November 27, 2017