肌病可分为遗传性肌病和获得性肌病两类。
1. 遗传性肌病(Inherited myopathies):由遗传因素引起,多数在儿童时期发病,可分为以下几种类型:
- 肌萎缩性侧索硬化症(Muscular Atrophy)
- 坐骨神经萎缩症(Spinal Muscle Atrophy)
- 神经性肌肉萎缩症(Neuromuscular Atrophy)
- 伴有脑病变的遗传性肌病(Myopathies with Brain Involvement)
- 依赖外源性物质的遗传性肌病(Metabolic Myopathies)
2. 获得性肌病(Acquired myopathies):由外部因素或内分泌障碍等原因引起,发病年龄不限,可分为以下几种类型:
- 炎性肌病(Inflammatory Myopathies)
- 药物性肌病(Drug-induced Myopathies)
- 慢性代谢性肌病(Chronic Metabolic Myopathies)
- 慢性重金属中毒性肌病(Chronic Heavy Metal Toxic Myopathies)
- 肌肉炎症性纤维电解质紊乱病(Myopathy with Myositis and Disturbance of Electrolytes)
其中最常见的遗传性肌病包括肌肉营养不良症、肌少症、脊柱肌萎缩症、多发性肌炎等,最常见的获得性肌病包括炎性肌病、药物性肌病、电解质紊乱病等。
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