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Arch Neurol. 2003;60:125.

	Since this article does not have an abstract, we have provided the first 150 words of the full text and any section headings.

A 78-YEAR-OLD woman had a 3-month history of progressive leg weakness and paresthesias. She reported leg cramping but no radicular pain. There was no sphincter dysfunction. Neurologic examination results showed Brown-Sequard syndrome with normal strength in the left leg but mild dorsiflexion weakness on the right. She walked unsteadily and was unable to stand by herself without support. Reflexes were brisk bilaterally. There was an equivocal plantar response on the right. There was diminished pin-prick and temperature sensation below the groin on the left. Vibration sense was absent in the right leg but intact on the left. All sensory loss was below the lower thoracic region but there was no clear sensory level.

A magnetic resonance imaging scan showed an enlarged lower thoracic spinal cord with T2 signal abnormalities at spinal levels T6 to T10 but did not show a clear tumor or syrinx. There was a mild improvement with . . . [Full Text of this Article]