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Arch Neurol. 2000 Sep;57(9):1353-5.

A lesion of the anterior thalamus producing dystonic tremor of the hand.

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  • 1Department of Neurology, Metropolitan Hospital Center, 1901 First Ave, New York, NY 10029, USA.

Abstract

BACKGROUND:

Thalamic tremor is typically characterized by resting and intention components; a postural element is often present as well. Previously reported cases of acquired thalamic tremor have demonstrated lesions in the posterior thalamus or dentatorubrothalamic tract.

OBJECTIVES:

To report a case of dystonic-postural tremor of the upper extremity that occurred after a contralateral anterior thalamic infarct, and to discuss potential tremorigenic mechanisms.

DESIGN:

Case report.

SETTING:

Municipal hospital neurology clinic.

PATIENT:

A 65-year-old right-handed woman suddenly developed a dystonic tremor in her left hand after undergoing coronary bypass surgery. The tremor persisted unchanged for 8 months, at which time she was evaluated by us. Cranial magnetic resonance imaging scans demonstrated a right anterior thalamic infarct.

CONCLUSION:

To our knowledge, this is the first report of focal tremor caused by a lesion of the anterior thalamus.

PMID:
10987904
[PubMed - indexed for MEDLINE]
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