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NEUROLOGY 1982;32:80
© 1982 American Academy of Neurology

Absence of evoked potential abnormalities in acute transverse myelopathy

Allan H. Ropper, M.D., Thomas Miett, B.A. and Keith H. Chiappa, M.D.

Neurology-Neurosurgery ICU and Robert S. Schwab Computer Facility of the Clinical Neurophysiology Laboratory, and Department of Neurology, Massachusetts General Hospital, Boston, MA.

We studied 12 consecutive patients with inflammatory acute transverse myelopathy (ATM) and no prior history of neurologic disease. All had normal pattern shift visual and brainstem auditory evoked potentials. All of nine patients tested also had normal median nerve short-latency somatosensory evoked potentials. None developed new neurologic signs in 18 months' mean follow-up. In contrast, 72% of 50 patients with definite, probable, or possible multiple sclerosis (MS) had abnormalities in at least one evoked potential test. When defined as a virtually or completely transverse inflammatory lesion, acute transverse myelopathy differs from MS.

Address correspondence and reprint requests to Dr. Hopper, Department of Neurology, Massachusetts General Hospital, Boston, MA 02114.

Accepted for publication June 18, 1981.




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 Arch NeurolHome page
T. F. Scott, S. L. Kassab, and S. J. Pittock
Neuromyelitis optica IgG status in acute partial transverse myelitis.
Arch Neurol, October 1, 2006; 63(10): 1398 - 1400.
[Abstract] [Full Text] [PDF]


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