Neurocysticercosis Masquerading as a Cerebral Infarct

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Abstract
The differential diagnosis of acute focal neurologic deficit in childhood is diverse. We report the case of a child presenting with an acute hemiparesis persisting for longer than 24 hours following a focal seizure. The clinical history, examination findings, and results of cranial magnetic resonance imaging (MRI) were initially interpreted as consistent with an arterial ischemic cerebral infarction. Follow-up cranial MRI performed 9 months later revealed changes indicative of neurocysticercosis. Review of original neuroimaging resulted in a revision of the diagnosis to neurocysticercosis. The clinical history, together with neuroimaging findings, is highly compatible with a diagnosis of neurocysticercosis but unusual because it occurred in a child resident in a nonendemic area who had never traveled to an endemic area and whose diet excluded pork. The case reported raises two important issues. The first is the need to carefully consider the differential diagnosis of acute hemiparesis, including unusual causes. Second, it raises awareness of the potential for neurocysticercosis to occur in low-risk patients in nonendemic areas. (J Child Neurol 2003;18:298—300).

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