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Sporadic and familial hemiplegic migraines are rare paroxysmal disorders characterized by transient hemiparesis and headache. The distinction is based on whether other family members are affected. In 50% of cases, these migraines are caused by CACNA1 A missense mutations.We describe a boy with a particularly severe phenotype and a de novo R1349Q mutation of the CACNA1 A gene.The patient suffered from...
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