扭转痉挛(torsion dystonia,TD)是一种全身型肌张力障碍,其特征为不自主的肌肉收缩引起肢体或躯干的扭转、反复的运动或姿势异常,影响日常生活、学习及生长发育,严重时致残甚至威胁生命。TD的病因不明,目前的研究认为其发病可能与基底节、丘脑、大脑皮质神经细胞变性导致底节功能异常有 Torsion spasm (torsion dystonia, TD) is a generalized dystonia that is characterized by involuntary muscle contraction that causes limbs or torso twisting, repetitive movements or postural abnormalities that affect daily life, learning and growth, and when severe Disability and even life-threatening. TD’s etiology is unknown, the current study that its incidence may be related to the basal ganglia, thalamus, cerebral cortex nerve cell degeneration caused by dysfunction of the basal gang