Hemiplegic migraine is defined by the occurrence of migraine during attacks of unilateral weakness. Neurologic symptoms last for 15 to 60 minutes in most cases. Attacks usually start in childhood, adolescence, or early adulthood. Diagnosis may be delayed if there is no relevant family history. A 16-year-old girl who was diagnosed with hemiplegic migraine presenting with prolonged left hemiparesis is reported. The importance of this case is that the pediatrician will also consider migraine in the differential diagnosis of a child presenting with hemiparesis even if there is no previous headache and family history. (J Child Neurol 2002;17:80-81).
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