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We report a family with dominantly inherited migraine headaches,episodic vertigo,and essential tremor.All symptoms improved with the use of acetazolamide.Linkage analysis ruled out linkage to markers on chromosome 19p,known to be linked to the genetic defect in families with the clinically similar syndromes of hemiplegic migraine and periodic ataxia. This genetic heterogeneity of migraine syndromes could result from defects in a family of genes coding proteins with similar properties. |
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