科研之友
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摘要
Alexander disease is a rare leukodystrophy that most often presents in infancy but also includes neonatal, juvenile, and adult variants. Juvenile Alexander disease presents primarily with bulbar symptoms between 2 and 12 years of age. The diagnosis is often suggested by the clinical course and brain magnetic resonance image pattern and then confirmed by the presence of a mutation in the glial fibrillary acidic protein gene. A young girl presented with globus sensation and magnetic resonance imaging of the brain revealed abnormalities mainly involving white matter tracts of the medulla oblongata and cerebellum. The presence of a mutation in the glial fibrillary acidic protein gene confirmed the diagnosis of juvenile Alexander disease. A high index of clinical suspicion is necessary for the diagnosis of late-onset presentations of Alexander disease.
- 出版日期2012-4
