Paroxysmal nonkinesigenic dyskinesia

Paroxysmal Nonkinesigenic Dyskinesia
Other namesPNKD, Paroxysmal dystonic choreoathetosis, PDC, Mount-Reback syndrome, Nonkinesigenic choreoathetosis, Familial paroxysmal choreoathetosis, FPD1, DYT8
SpecialtyNeurology 

Paroxysmal nonkinesigenic dyskinesia (PNKD) is an episodic movement disorder first described by Mount and Reback in 1940 under the name "Familial paroxysmal choreoathetosis". It is a rare hereditary disease that affects various muscular and nervous systems in the body, passing to roughly fifty percent of the offspring.

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