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Legend: Video shows a 36-year-old woman with chorea-acanthocytosis. The first video segment demonstrates severe tongue protrusion or feeding dystonia. In the second segment, she exhibits a mild parkinsonian appearance and lower facial and left arm dystonia, but only mild truncal chorea. She walks with stutter steps and has circumduction of the left leg.

Duration: 0:53

Associated with: CONTINUUM: Lifelong Learning in Neurology. 25(4):1001-1035, August 2019

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