Magnetic resonance imaging of a spinal extradural arachnoid cyst.


A case of extradural arachnoid cyst in the spinal canal of a 16-year-old male was diagnosed by magnetic resonance imaging. The diagnosis was verified by a metrizamide-enhanced computed tomographic myelogram. An operation with a favorable outcome followed. The noninvasive advantages of magnetic resonance imaging in such a diagnosis are demonstrated by this… (More)


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