Abstract
The presence of increased subarachnoid fluid around the optic nerve as measured by ultrasound has been shown to be associated with elevated intracranial pressure, as well as a number of other conditions. This finding has proved useful for distinguishing optic disc elevation secondary to papilledema from disc elevation attributable to other causes. This report describes a patient with anomalous optic disc elevation and increased subarachnoid fluid around the optic nerve.
MeSH terms
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Adult
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Cerebrospinal Fluid / diagnostic imaging*
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Humans
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Intracranial Hypertension / complications
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Intracranial Hypertension / diagnostic imaging*
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Intracranial Hypertension / physiopathology
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Intracranial Pressure
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Male
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Optic Disk / diagnostic imaging*
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Optic Disk / physiopathology
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Optic Nerve / diagnostic imaging*
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Optic Nerve / physiopathology
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Papilledema / diagnostic imaging*
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Papilledema / etiology
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Papilledema / physiopathology
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Subarachnoid Space
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Ultrasonography