A 26-year-old woman with a Chiari-I malformation and intermittent symptoms of intracranial pressure elevation is described. Clinically, papilledema was accompanied by midperipheral retinal hemorrhages. Repeat computed tomographic scans and lumbar puncture showed normal results. Posterior fossa-directed magnetic resonance image scanning revealed the Chiari-I malformation. Intraventricular monitoring was necessary to demonstrate the marked but unsustained elevation of intracranial pressure.
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Vrabec et al. (1989) studied this question.
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