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Paroxysmal Kinesigenic Dyskinesia: First Molecularly Confirmed Case from Africa

Dekker, Marieke C.J.; Chengo, Rose; Kumburu, Happiness H.; Kamsteeg, Erik-Jan; Hamel, Ben C.

Background: Paroxysmal kinesigenic dyskinesia (PKD) is a movement disorder, with an excellent response to carbamazepine treatment. It has been described in various populations, but not yet in an African population.

Case report: In a patient who reported to clinic with side effects of carbamazepine, PRRT2 gene screening was performed based on a clinical history compatible with PKD. A common PRRT2 mutation was identified in this patient, hereby the first genetically confirmed PRRT2-associated PKD in Africa.

Discussion: Reporting genetic confirmation of an unusual movement disorder from an equally unusual location shows the wide geographical distribution of PRRT2-associated disease. It also illustrates recognizability of this treatable disorder where the easiest accessible diagnostic tool is neurological history and examination.

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Also Published In

Title
Tremor and Other Hyperkinetic Movements
DOI
https://doi.org/10.7916/tohm.v0.742

More About This Work

Academic Units
Center for Parkinson's Disease and Other Movement Disorders
Published Here
January 16, 2020