Friedreich Ataxia OBJECTIVES To present an example of Friedreich ataxia. To discuss the differential diagnosis of Friedreich ataxia. To summarize current management strategies for Friedreich ataxia. VIGNETTE This 24-year-old woman…

Ataxia Due to Bilateral Pica Infarctions OBJECTIVES To highlight the cardinal features of cerebellar dysfunction. To review the arterial supply of the cerebellum. To discuss the clinical presentation and management…

Acute Dystonic Reaction OBJECTIVES To illustrate a neurologic complication of a dopamine receptor blocking agent. To review management guidelines of neuroleptic-induced acute dystonic reactions. VIGNETTE This 41-year-old woman had systemic…

Hemidystonia (Sarcoidosis) OBJECTIVES To discuss lesion localization in cases of hemidystonia. To briefly review the major neurological manifestations of sarcoidosis. VIGNETTE This 34-year-old man was diagnosed with sarcoidosis through a…

Tic Disorder OBJECTIVES To discuss the clinical classification of tics. To review the spectrum of clinical disorders associated with tics. To briefly review the clinical characteristics and management of Tourette…

Hemifacial Spasm OBJECTIVES To present an example of hemifacial spasm. To discuss the differential diagnosis of unilateral involuntary facial movements. To summarize current management strategies for hemifacial spasm. VIGNETTE This…

Paraneoplastic Chorea/Sensory Neuronopathy OBJECTIVES To illustrate an important cause of adult-onset chorea. To review the causes of sensory neuronopathy and outline an appropriate diagnostic evaluation. VIGNETTE A 63-year-old retired coal…

Hemichorea-Hemiballism OBJECTIVES To demonstrate a hyperkinetic complication of a metabolic derangement. To discuss the differential diagnosis of hemichorea-hemiballism. VIGNETTE This 37-year-old man had insulin-dependent diabetes mellitus since age 5 with…

Palatal Tremor Due to Medullary Infarction OBJECTIVES To discuss the disorder of palatal tremor (formerly, palatal myoclonus). To distinguish the essential from symptomatic forms of palatal tremor. To briefly review…

Cerebral Palsy/Dystonia OBJECTIVES To define cerebral palsy. To define dystonia. To discuss the treatment of dystonia. VIGNETTE A 19-year-old man with cerebral palsy developed jerky tremor and abnormal posture of…