J. G. Bonnen

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We report a case of gamma knife pallidotomy resulting in a permanent contralateral homonymous hemianopsia and transient contralateral hemiparesis with some improvement in contralateral parkinsonian symptoms. This case illustrates the risk of gamma knife pallidotomy which precludes physiologic target localization and can subject structures surrounding the(More)
OBJECTIVE To examine the cognitive sequelae of unilateral posteroventral pallidotomy. DESIGN Single-group pretest and posttest methodologic assessment with baseline evaluation performed 1 to 2 days prior to surgery and follow-up conducted 3 months after pallidotomy. SETTING Movement disorder clinic at a university medical center. PATIENTS Fourteen(More)
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