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近端脊髓肌萎缩2型

Proximal spinal muscular atrophy type 2

ORPHA:83418疾病亚型

定义 英文原文(暂无中文)

A rare genetic motor neuron disorder characterized by degeneration of alpha motor neurons in the spinal cord and lower brainstem manifesting between 6 and 18 months of age with progressive, predominantly proximal muscle weakness. Classically, before the introduction of disease-modifying therapies, patients with proximal spinal muscular atrophy (SMA) type 2 learned to sit, but never achieved independent ambulation.

别名

慢性婴儿型脊髓性肌萎缩症

基本事实

遗传方式
常染色体隐性
发病年龄
婴儿期
患病率
1-9 / 100 000(Europe)

相关基因 3

基因名称关联类型
SMN2survival of motor neuron 2, centromericModifying germline mutation in
NAIPNLR family apoptosis inhibitory proteinModifying germline mutation in
SMN1survival of motor neuron 1, telomericDisease-causing germline mutation(s) in

外部标识与链接

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本页数据来源

  • 疾病定义、同义词、基因、表型、流行病学:Orphanet(CC BY 4.0)
  • 中文病名:Orphanet 中文包,冻结于 2020-06-01
  • 表型中文标签:HPO 简体中文翻译(CHPO 上游成果)