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脑性瘫痪是在孕期至新生儿期由多种原因引起的大脑非进行性损伤性疾病。临床症状表现为持续性(但在2、3岁前可有变化)的运动障碍及姿势异常。凡进行性或一过性的运动障碍性疾病以及将来可以正常化的运动发育落后,均不包括在内。其临床症状按生理学特点可分为痉挛、手足徐动、强直、失调、低张及混合型等。按瘫痪部位还可进一步细分为单瘫、偏瘫、四肢瘫及双肢瘫等。以在诊断脑瘫痪除了依靠临床神经病学检查外,只能借助于放射线、脑电图、肌电图、脑血管造影、气脑造影及同位素闪烁摄影等手段,但这些方法的可靠性低或有一定的副作用。CT问世后,对于了解大脑形态学改变起了决定性作用。脑性瘫痪的CT异常率在44～92%之间,可能是由于被检查者诊断标准不同造成。CT改变包括不同程度的脑室扩大、脑
Cerebral palsy is a non-progressive injury of the brain caused by a variety of causes during pregnancy to the neonatal period. Clinical symptoms are persistent (but may change before the age of 2 and 3) of dyskinesias and postural abnormalities. Neither progressive or transient dyskinetic disorders nor athletic development that can be normalized in the future are excluded. The clinical symptoms according to physiological characteristics can be divided into spasms, hand and foot Xu move, stiffness, disorders, hypopigia and mixed type. Paralyzed by the site can be further subdivided into single paralysis, hemiplegia, quadriplegia and limb paralysis. In order to diagnose cerebral palsy in addition to rely on clinical neurological examination, only by means of radiation, electroencephalogram, electromyography, cerebral angiography, cerebral angiography and isotope scintigraphy and other means, but these methods have low reliability or Certain side effects. CT came out, for understanding the morphological changes in the brain played a decisive role. CT abnormalities in patients with cerebral palsy ranged from 44% to 92%, possibly due to different diagnostic criteria of the examiner. CT changes include varying degrees of ventricular enlargement, brain