Paroxysmal Nonkinesigenic Dyskinesias Responsive to Carbamazepine in Fahr Syndrome: A Case Report

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This study aimed to report the case of a patient with paroxysmal nonkinesigenic dyskinesias and Fahr syndrome who had a marked response to carbamazepine.


We present the case of a 57-year-old female patient with episodes of paroxysmal choreoathetoid dyskinesias in the oromandibular region and distal region of upper and lower extremities, with fluctuating dystonic postures in the same distribution; duration was variable ranging from 30 minutes to 3 hours. Laboratory studies were consistent with primary hyperparathyroidism with bilateral brain calcifications.


Treatment with low doses of carbamazepine was successful.

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