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Parkinsonism Relat Disord. 2003 Oct;10(1):47-50.

The youngest reported case of corticobasal degeneration.

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1
Department of Neurology, Madigan Army Medical Center, Tacoma, WA, USA.

Abstract

Corticobasal degeneration (CBD) is a movement disorder characterized by early apraxia and asymmetric parkinsonism that responds poorly to anti-Parkinson medications. There are clinical manifestations reflecting dysfunction in both the cerebral cortex and the basal ganglia. Patients typically present between the sixth and seventh decades. Previously, the youngest clinically diagnosed individual was 40 years old. Here we describe a 34-year-old woman who meets the clinical diagnostic criteria for CBD with onset of symptoms at age 28. In this patient, the first symptom was an 'uncooperative' right hand. This was soon followed by right hand dystonia. Symptoms progressed rapidly, and she developed generalized bradykinesia, rigidity, and corticospinal tract signs with preservation of the initial asymmetry. Her symptoms did not respond to a daily dose of 1200 mg of immediate release levodopa. Extensive laboratory workup and brain imaging were normal. Neuropsychological evaluation revealed mild deficits consistent with frontal-subcortical dysfunction. The chronic, progressive course, asymmetric limb rigidity, apraxia, focal dystonia, and lack of response to levodopa suggest CBD. To our knowledge, this is the youngest reported case of clinically probable CBD.

PMID:
14499207
[Indexed for MEDLINE]
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