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September 1966

Trauma-Induced Intention Tremor Relieved by Stereotaxic Thalamotomy

Arch Neurol. 1966;15(3):247-251. doi:10.1001/archneur.1966.00470150025005

THIS DESCRIPTION of two cases of trauma-induced intention tremor relieved by thalamotomy serves to add to the list of those already reported and to further delineate the site of the pathologic lesion. The first case presented with intention tremor of the left extremities and paralysis of the right superior oblique ocular muscle. The second case presented with intention tremor of the right extremities and ataxia of gait.

Report of Cases  Case 1.—This 51-year-old, right-handed Negro man had been in good general health, except for mild diabetes mellitus and previous heavy intake of alcohol until March 1965, when he fell down five steps, striking the ulnar aspect of his left forearm and "jolting" his entire body. There was no loss of consciousness. During the succeeding days he noted some clumsiness of his left arm. About three weeks later the clumsiness became more severe and thereafter progressed so that he had

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