期刊
DEVELOPMENTAL MEDICINE AND CHILD NEUROLOGY
卷 54, 期 11, 页码 1065-1067出版社
WILEY
DOI: 10.1111/j.1469-8749.2012.04421.x
关键词
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资金
- National Institute of Neurological Disorders and Stroke [5R01NS058949-05]
- Lung GO Sequencing Project [HL-102923]
- WHI Sequencing Project [HL-102924]
- Broad GO Sequencing Project [HL-102925]
- Seattle GO Sequencing Project [HL-102926]
- Heart GO Sequencing Project [HL-103010]
We report new clinical features of delayed motor development, hypotonia, and ataxia in two young children with mutations (R756H and D923N) in the ATP1A3 gene. In adults, mutations in ATP1A3 cause rapid-onset dystoniaParkinsonism (RDP, DYT12) with abrupt onset of fixed dystonia. The parents and children were examined and videotaped, and samples were collected for mutation analysis. Case 1 presented with fluctuating spells of hypotonia, dysphagia, mutism, dystonia, and ataxia at 9 months. After three episodes of hypotonia, she developed ataxia, inability to speak or swallow, and eventual seizures. Case 2 presented with hypotonia at 14 months and pre-existing motor delay. At age 4 years, he had episodic slurred speech, followed by ataxia, drooling, and dysarthria. He remains mute. Both children had ATP1A3 gene mutations. To our knowledge, these are the earliest presentations of RDP, both with fluctuating features. Both children were initially misdiagnosed. RDP should be considered in children with discoordinated gait, and speech and swallowing difficulties.
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